NB release

Fix missing Username field for HTTP and HTTPS protocols

.github/workflows/Build_mR-NB.yml

@@ -0,0 +1,157 @@
+name: Build_and_Release_mR-NB
+on:
+  push:
+    branches:
+      - v1.78.2-dev
+
+  workflow_dispatch:
+    inputs:
+      release_flag:
+        description: 'Run NB release'
+        required: false
+        default: 'true'
+
+permissions:
+  contents: write
+  
+jobs:
+  NB-Build-and-Release:
+    strategy:
+      matrix:
+        include:
+          - runner: windows-latest
+            platform: x64
+            arch: x64
+          - runner: windows-11-arm
+            platform: ARM64
+            arch: arm64
+    runs-on: ${{ matrix.runner }}
+    # Only run if:
+    # - manual dispatch, OR
+    # - push event AND commit message contains "NB release"
+    if: >
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'push' && contains(github.event.head_commit.message, 'NB release'))
+
+    steps:
+      - name: (01) Checkout Repository
+        uses: actions/checkout@v5
+        
+      - name: (02) Setup MSBuild
+        uses: microsoft/setup-msbuild@v2
+        with:
+          vs-version: '17.14.12'
+          
+      - name: (03) Install and run dotnet-t4 to transform T4 templates
+        shell: pwsh
+        run: |
+          dotnet tool install --global dotnet-t4
+          # Refresh PATH to include global tools
+          $env:PATH += ";$env:USERPROFILE\.dotnet\tools"
+          $ttFile = "$env:GITHUB_WORKSPACE\mRemoteNG\Properties\AssemblyInfo.tt"
+          # VS Enterprise 2022 assemblies
+          $vsPath = "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\IDE\PublicAssemblies"
+          Write-Host "Transforming T4 template"
+          t4 $ttFile -P platformType=${{ matrix.platform }} -r:"$vsPath\EnvDTE.dll" -r:"$vsPath\Microsoft.VisualStudio.Interop.dll"
+        env:
+          PLATFORM: '${{ matrix.platform }}'
+  
+      - name: (04) Cache NuGet Packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.nuget/packages
+          key: ${{ runner.os }}-${{ matrix.arch }}-nuget-${{ hashFiles('**/*.csproj') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.arch }}-nuget-
+            
+      - name: (05) Restore NuGet Packages
+        shell: pwsh
+        run: dotnet restore
+        
+      - name: (06) Build Release
+        shell: pwsh
+        run: |
+          msbuild "$Env:GITHUB_WORKSPACE\mRemoteNG.sln" -p:Configuration="Release" -p:Platform=${{ matrix.platform }} /verbosity:minimal
+        
+      - name: (07) Release Information
+        id: version
+        shell: pwsh
+        run: |
+          $assemblyInfoPath = "${{ github.workspace }}\mRemoteNG\Properties\AssemblyInfo.cs"
+          $line = Get-Content $assemblyInfoPath | Where-Object { $_ -match 'AssemblyVersion\("(.+?)"\)' }
+          if ($line -match 'AssemblyVersion\("(?<ver>\d+\.\d+\.\d+)\.(?<build>\d+)"\)') {
+            $version = $matches['ver']
+            $build = $matches['build']
+          } else {
+            throw "Could not extract version and build number"
+          }
+          $date = Get-Date -Format "yyyyMMdd"
+          $zipName = "mRemoteNG-$date-v$version-NB-$build-${{ matrix.arch }}.zip"
+          $tag = "$date-v$version-NB-($build)"
+          $message = git log -1 --pretty=%B
+          echo "message=$message" >> $env:GITHUB_OUTPUT
+          echo "zipname=$zipName" >> $env:GITHUB_OUTPUT
+          echo "version=$version" >> $env:GITHUB_OUTPUT
+          echo "build=$build" >> $env:GITHUB_OUTPUT
+          echo "tag=$tag" >> $env:GITHUB_OUTPUT
+          $version = "${{ steps.version.outputs.version }}"
+
+      - name: (08) Extract Changelog Section
+        id: changelog
+        shell: pwsh
+        run: |
+          $changelogPath = "$env:GITHUB_WORKSPACE\CHANGELOG.md"
+          $lines = Get-Content $changelogPath
+      
+          $startIndex = -1
+          for ($i = 0; $i -lt $lines.Count; $i++) {
+            if ($lines[$i] -match '^## \[') {
+              $startIndex = $i
+              break
+            }
+          }
+      
+          if ($startIndex -eq -1) {
+            throw "No version header found in CHANGELOG.md"
+          }
+      
+          $section = @()
+          for ($i = $startIndex + 1; $i -lt $lines.Count; $i++) {
+            if ($lines[$i] -match '^## ') {
+              break
+            }
+            $section += $lines[$i]
+          }
+      
+          $joined = $section -join "`n"
+          echo "log<<EOF" >> $env:GITHUB_OUTPUT
+          echo $joined >> $env:GITHUB_OUTPUT
+          echo "EOF" >> $env:GITHUB_OUTPUT
+      
+          echo "log=$escaped"
+                
+      - name: (09) Create Zip File
+        shell: pwsh
+        run: |
+          $sourceDir = "$Env:GITHUB_WORKSPACE\mRemoteNG\bin\${{ matrix.platform }}\Release"
+          Compress-Archive -Path "$sourceDir\*" -DestinationPath ${{ steps.version.outputs.zipname }}
+          echo "File: ${{ steps.version.outputs.zipname }}"
+
+      - name: (10) Create release
+        id: create_release
+        uses: softprops/action-gh-release@aec2ec56f94eb8180ceec724245f64ef008b89f5 # v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name:  ${{ steps.version.outputs.tag }}
+          name: "mRemoteNG ${{ steps.version.outputs.version }} NB ${{ steps.version.outputs.build }}"
+          files: ${{ steps.version.outputs.zipname }}
+          body: |
+            Changes in this Release:
+            ${{ steps.changelog.outputs.log }}
+
+            Last Commit Message:
+            ${{ steps.version.outputs.message }}
+
+          draft: false
+          prerelease: true

.github/workflows/add_PR_2_chlog.yml

@@ -0,0 +1,126 @@
+name: Update Changelog After Renovate PR Merge
+
+on:
+  # 1) Auto on pushes to your repo’s default branch (merge commits included)
+  push:
+    branches:
+      - v1.78.2-dev
+
+  # 2) Manual trigger
+  workflow_dispatch:
+    inputs:
+      dryRun:
+        description: 'Run without committing changes'
+        required: false
+        default: 'true'
+
+jobs:
+  update-changelog:
+    runs-on: ubuntu-latest
+
+    # Only proceed if…
+    # - manual dispatch
+    # - OR a push to default branch
+    if: |
+      github.event_name == 'workflow_dispatch' ||
+      github.event_name == 'push'
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Check for Renovate dependency update
+        id: check-renovate
+        shell: bash
+        run: |
+          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            echo "isRenovate=true" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+          msg="$(git log -1 --pretty=%B)"
+          if echo "$msg" | grep -q 'chore(deps): update dependency'; then
+            echo "isRenovate=true" >> $GITHUB_OUTPUT
+          else
+            echo "isRenovate=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Abort if not a Renovate PR
+        if: steps.check-renovate.outputs.isRenovate == 'false'
+        run: |
+          echo "ℹ️ Last commit is not a Renovate dependency update—skipping."
+
+      - name: Parse Renovate PR info
+        if: steps.check-renovate.outputs.isRenovate == 'true'
+        id: extract
+        shell: pwsh
+        run: |
+          # 1) Determine dryRun
+          $dryRun = '${{ github.event.inputs.dryRun }}'
+          if (-not $dryRun) { $dryRun = 'false' }
+          Write-Host "🔍 dryRun = $dryRun"
+
+          # 2) Read full commit message
+          $fullMsg = git log -1 --pretty=%B
+          Write-Host "📝 Commit message:"; Write-Host $fullMsg
+
+          # 3) Extract PR number
+          if ($fullMsg -match 'Merge pull request #(\d+)') {
+            $prNumber = $matches[1]
+          } else {
+            throw "❌ Could not locate PR number in merge commit"
+          }
+
+          # 4) Extract dependency name & version
+          if ($fullMsg -match 'chore\(deps\): update dependency ([\w\.\-]+) to ([\d\.]+)') {
+            $depName    = $matches[1]
+            $depVersion = $matches[2]
+          } else {
+            throw "❌ Could not parse dependency name/version"
+          }
+
+          # 5) Export outputs
+          echo "pr=$prNumber"        >> $env:GITHUB_OUTPUT
+          echo "depName=$depName"    >> $env:GITHUB_OUTPUT
+          echo "depVersion=$depVersion" >> $env:GITHUB_OUTPUT
+          echo "dryRun=$dryRun"      >> $env:GITHUB_OUTPUT
+
+      - name: Update CHANGELOG.md
+        if: steps.check-renovate.outputs.isRenovate == 'true'
+        shell: pwsh
+        run: |
+          $path   = "$env:GITHUB_WORKSPACE/CHANGELOG.md"
+          if (-not (Test-Path $path)) { throw "❌ CHANGELOG.md not found" }
+          $lines  = Get-Content $path
+          $pr     = '${{ steps.extract.outputs.pr }}'
+          $dep    = '${{ steps.extract.outputs.depName }}'
+          $ver    = '${{ steps.extract.outputs.depVersion }}'
+          $entry  = "- #$pr: update dependency $dep to $ver"
+
+          # Find latest version header: ## [x.y.z]
+          $vIndex = $lines.FindIndex({ $_ -match '^## \[\d+\.\d+\.\d+\]' })
+          if ($vIndex -lt 0) { throw "❌ No version header found" }
+
+          # Locate or create "### Dependency update"
+          $depIndex = -1
+          for ($i = $vIndex + 1; $i -lt $lines.Count; $i++) {
+            if ($lines[$i] -match '^### Dependency update') { $depIndex = $i; break }
+            if ($lines[$i] -match '^## ') { break }
+          }
+          if ($depIndex -eq -1) {
+            $lines.Insert($vIndex + 1, '### Dependency update')
+            $depIndex = $vIndex + 1
+          }
+
+          # Insert the changelog entry
+          $lines.Insert($depIndex + 1, $entry)
+          Set-Content -Path $path -Value $lines
+          Write-Host "✅ Inserted in CHANGELOG.md:"; Write-Host "   $entry"
+
+      - name: Commit & push
+        if: steps.check-renovate.outputs.isRenovate == 'true' && steps.extract.outputs.dryRun != 'true'
+        run: |
+          git config user.name  "github-actions"
+          git config user.email "github-actions@github.com"
+          git add CHANGELOG.md
+          git commit -m "docs: update changelog for #${{ steps.extract.outputs.pr }}"
+          git push

.github/workflows/post_2_Reddit.yml

@@ -0,0 +1,49 @@
+name: Post to Reddit via PowerShell
+
+on:
+  workflow_dispatch:
+
+jobs:
+  post:
+    runs-on: windows-latest
+    steps:
+      - name: Authenticate and post to Reddit
+        shell: pwsh
+        env:
+          CLIENT_ID: ${{ secrets.REDDIT_CLIENT_ID }}
+          CLIENT_SECRET: ${{ secrets.REDDIT_CLIENT_SECRET }}
+          USERNAME: ${{ secrets.REDDIT_USERNAME }}
+          PASSWORD: ${{ secrets.REDDIT_PASSWORD }}
+          SUBREDDIT: ${{ secrets.REDDIT_SUBREDDIT }}
+        run: |
+          # Step 1: Get access token
+          $authHeaders = @{
+            Authorization = "Basic " + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes("$env:CLIENT_ID:$env:CLIENT_SECRET"))
+            "User-Agent" = "github-to-reddit-pwsh/0.1"
+          }
+
+          $authBody = @{
+            grant_type = "password"
+            username   = $env:USERNAME
+            password   = $env:PASSWORD
+          }
+
+          $authResponse = Invoke-RestMethod -Uri "https://www.reddit.com/api/v1/access_token" -Method Post -Headers $authHeaders -Body $authBody
+          $token = $authResponse.access_token
+
+          # Step 2: Post to subreddit
+          $postHeaders = @{
+            Authorization = "bearer $token"
+            "User-Agent"  = "github-to-reddit-pwsh/0.1"
+          }
+
+          $postBody = @{
+            sr    = $env:SUBREDDIT
+            title = "Hello from GitHub Actions (PowerShell)"
+            kind  = "self"
+            text  = "This post was made using PowerShell in GitHub Actions."
+          }
+
+          $postResponse = Invoke-RestMethod -Uri "https://oauth.reddit.com/api/submit" -Method Post -Headers $postHeaders -Body $postBody
+          Write-Host "Posted: $($postResponse.json.url)"
+

.gitignore

@@ -1,19 +1,288 @@
-Release
-mRemoteV1/bin
-mRemoteV1/obj
-mRemoteV1/publish
+**/bin/
+**/obj/
+**/[Rr]elease [Pp]ortable/
+**/[Dd]ebug [Pp]ortable/
+
 *.pfx
-*.suo
-*.vbproj.user
 Thumbs.db
-[Dd]ebug/
 _Re[Ss]harper.*
 *.resharper
 *.resharper.user
-*.suo
 *.cache
 *~
 *.swp
 *.user*
 *.pidb
 *.gpState
+_UpgradeReport_Files/
+Backup/
+UpgradeLog.XML
+*.orig
+*.sdf
+*.opensdf
+*.ipch
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+*.msi
+Installer/Resources/License.rtf
+Installer/Fragments/FilesFragment.wxs
+Installer Projects/Installer/Resources/License.rtf
+Installer Projects/Installer/Fragments/FilesFragment.wxs
+Installer Projects/Installer/Fragments/HelpFilesFragment.wxs
+InstallerProjects/Installer/Fragments/FilesFragment.wxs
+InstallerProjects/Installer/Resources/License.rtf
+
+# mRemoteNG
+**/mRemoteNG/Properties/AssemblyInfo.tt
+**/mRemoteNG/Properties/AssemblyInfo.cs

.readthedocs.yaml

@@ -0,0 +1,14 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+   configuration: mRemoteNGDocumentation/conf.py
+
+# Optionally build your docs in additional formats such as PDF
+formats:
+   - pdf

Add-ons/README.md

@@ -0,0 +1,11 @@
+## Add-ons library by 3rd party 
+This is a list of add-ons, plugins and extentions what could be used with mRemoteNG, if you wish to add yours to this list - just drop me a line: <a href="mailto:support@mremoteng.org">support@mremoteng.org</a>
+<br>
+
+| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>Date&nbsp;added</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>Author</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | <b>Type</b> | <b>Name</b> | <b>Description</b> | <b>Repository</b> |
+| :---------------------------------------------------------:|:-------------------------------------------------:| :---------: |-------------|--------------------|:-----------------:|
+| 02-08-2022 | <a href="https://github.com/JustBeta"><img align="left" src="https://avatars.githubusercontent.com/u/25150896?v=4" alt="JustBeta" width="30px"/>JustBeta</a> | script | Export-MobaXterm2mRemoteNG | Conversion of MobaXterm's ini file to mRemoteNG format. | [GITHUB Repository](https://github.com/JustBeta/Export-MobaXtern2mRemoteNG/tree/main) |
+
+<br>
+
+For a detailed usage examples and documentation please reach out authors.

BUILD.CMD

@@ -1,51 +0,0 @@
-@echo off
-
-REM SET VERSIONTAG=RC5
-
-SET VCVARSALL="%ProgramFiles(x86)%\Microsoft Visual Studio 9.0\VC\vcvarsall.bat"
-SET DEVENV="devenv.exe"
-SET MAKENSIS="%ProgramFiles(x86)%\NSIS\Unicode\makensis.exe"
-SET RAR="%ProgramFiles%\WinRAR\WinRAR.exe"
-
-call %VCVARSALL% x86 > NUL 2>&1
-
-rmdir /s /q "%~dp0\mRemoteV1\bin" > NUL 2>&1
-rmdir /s /q "%~dp0\mRemoteV1\obj" > NUL 2>&1
-
-echo Building release version...
-%DEVENV% "%~dp0\mRemoteV1.sln" /build "Release"
-
-echo Building portable version...
-%DEVENV% "%~dp0\mRemoteV1.sln" /build "Release Portable"
-
-mkdir "%~dp0\Release"
-
-echo Getting product version...
-%MAKENSIS% "%~dp0\Installer\GetVersion.nsi"
-"%~dp0\Release\GetVersion.exe"
-call "%~dp0\Release\Version.cmd"
-
-echo Creating installer package...
-if defined VERSIONTAG (
-	%MAKENSIS% /DPRODUCT_VERSION_TAG=%VERSIONTAG% "%~dp0\Installer\mRemote.nsi"
-
-	set BINARYZIP="%~dp0\Release\mRemoteNG-%PRODUCT_VERSION_SHORT%-%VERSIONTAG%.zip"
-	set PORTABLEZIP="%~dp0\Release\mRemoteNG-Portable-%PRODUCT_VERSION_SHORT%-%VERSIONTAG%.zip"
-) else (
-	%MAKENSIS% "%~dp0\Installer\mRemote.nsi"
-
-	set BINARYZIP="%~dp0\Release\mRemoteNG-%PRODUCT_VERSION_SHORT%.zip"
-	set PORTABLEZIP="%~dp0\Release\mRemoteNG-Portable-%PRODUCT_VERSION_SHORT%.zip"
-)
-
-echo Creating release ZIP file...
-del /f /q %BINARYZIP% > NUL 2>&1
-%RAR% a -m5 -r -ep1 -afzip -inul %BINARYZIP% "%~dp0\mRemoteV1\bin\Release\*.*"
-%RAR% a -m5 -r -ep1 -afzip -inul %BINARYZIP% "%~dp0\Installer\Dependencies\*.*"
-%RAR% a -m5 -ep -afzip -inul %BINARYZIP% "%~dp0\*.TXT"
-
-echo Creating portable ZIP file...
-del /f /q %PORTABLEZIP% > NUL 2>&1
-%RAR% a -m5 -r -ep1 -afzip -inul %PORTABLEZIP% "%~dp0\mRemoteV1\bin\Release Portable\*.*"
-%RAR% a -m5 -r -ep1 -afzip -inul %PORTABLEZIP% "%~dp0\Installer\Dependencies\*.*"
-%RAR% a -m5 -ep -afzip -inul %PORTABLEZIP% "%~dp0\*.TXT"

COPYING.txt

@@ -278,62 +278,3 @@ PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES.
 
 		     END OF TERMS AND CONDITIONS
-
-	    How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program is interactive, make it output a short notice like this
-when it starts in an interactive mode:
-
-    Gnomovision version 69, Copyright (C) year name of author
-    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, the commands you use may
-be called something other than `show w' and `show c'; they could even be
-mouse-clicks or menu items--whatever suits your program.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the program, if
-necessary.  Here is a sample; alter the names:
-
-  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
-  `Gnomovision' (which makes passes at compilers) written by James Hacker.
-
-  <signature of Ty Coon>, 1 April 1989
-  Ty Coon, President of Vice
-
-This General Public License does not permit incorporating your program into
-proprietary programs.  If your program is a subroutine library, you may
-consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.

CREDITS.TXT

@@ -1,106 +0,0 @@
-Contributors
-============
-
-Lionel Caignec
-Felix Deimel
-Holger Henke
-Tom Hiller
-Riley McArdle
-Apisitt Rattana
-Andreas Rehm
-David Vidmar
-
-
-Included Source Code
-====================
-
-Command Line Arguments Parser 1.0
-Copyright <20> 2002 Richard Lopes
-MIT License
-http://www.codeproject.com/KB/recipes/command_line.aspx
-
-
-Included Components
-===================
-
-ADTree 1.0
-Copyright <20> 2004 Marc Merritt
-Copyright <20> 2008 Felix Deimel
-http://www.codeproject.com/KB/selection/ADPickerCtrl.aspx
-
-DiffieHellman 1.0
-Copyright <20> 2003 The Mentalis.org Team
-Modified New BSD License
-http://www.mentalis.org/
-
-DockPanel Suite 2.3.1
-Copyright <20> 2007 Weifen Luo
-MIT License
-http://sourceforge.net/projects/dockpanelsuite/
-
-Emergent OnLine WTSCOM 2.0.6.0
-Copyright <20> 2001-2003 Emergent OnLine
-http://www.go-eol.com/
-
-FilteredPropertyGrid 1.0.0.0
-Copyright <20> 2006 Azuria
-http://www.codeproject.com/KB/cs/FilteredPropertyGrid.aspx
-
-GeckoFX 1.8.1.4
-Copyright <20> 2008 Skybound Software
-Mozilla Public License 1.1
-http://www.geckofx.org/
-
-IPTextBox 1.1
-Copyright <20> 2006 Matthew Kleinwaks
-Copyright <20> 2008 Felix Deimel
-http://www.vbforums.com/showthread.php?t=430169
-
-log4net 1.2.10.0
-Copyright <20> 2001-2006 The Apache Software Foundation
-Apache License Version 2.0
-http://logging.apache.org/log4net/
-
-Magic Library 1.7.4
-Copyright <20> 2002-2003 Crownwood Consulting, Ltd.
-Freely redistributable with attribution
-http://www.dotnetmagic.com/magic_download.html
-
-Mentalis.org Security Library 1.0.13.715
-Copyright <20> 2002-2005 The Mentalis.org Team
-Modified New BSD License
-http://www.mentalis.org/
-
-MiniGeckoBrowser 1.0
-Copyright <20> 2008 Felix Deimel
-http://www.appjuice.org/
-
-MiniTabControl 1.0
-Copyright <20> 2008 Felix Deimel
-http://www.appjuice.org/
-
-PuTTY 0.60
-Copyright <20> 1997-2007 Simon Tatham
-MIT License
-http://www.chiark.greenend.org.uk/~sgtatham/putty/
-
-SharpSSH 1.1.1.13
-Copyright <20> 2002-2008 Atsuhiko Yamanaka, JCraft, Inc.
-Copyright <20> 2007 Tamir Gal
-BSD Style License
-http://www.tamirgal.com/blog/page/SharpSSH.aspx
-
-Silk Icon Set
-Copyright <20> 2005-2008 FAMFAMFAM
-Creative Commons Attribution 2.5 License
-http://www.famfamfam.com/
-
-Vista TaskDialog Wrapper and Emulator 1.0
-Copyright <20> 2007-2009 Hedley Muscroft
-Code Project Open License (CPOL)
-http://www.codeproject.com/KB/vista/Vista_TaskDialog_Wrapper.aspx
-
-VncSharp 1.0
-Copyright <20> 2004-2009 David Humphrey
-GNU General Public License (GPL) Version 2
-http://cdot.senecac.on.ca/projects/vncsharp/

CREDITS.md

@@ -0,0 +1,127 @@
+# Contributors
+
+## Current mRemoteNG dev team
+
+[David Sparer](http://github.com/sparerd)  
+[Sean Kaim](http://github.com/kmscode)  
+[Faryan Rezagholi](http://github.com/farosch)  
+[Bennett Blodinger](http://github.com/benwa)
+
+[Joe Cefoli](http://github.com/jcefoli)  
+[countchappy](http://github.com/countchappy)  
+Tony Lambert  
+[Julien Roncaglia](http://github.com/vbfox)  
+[peterchenadded](http://github.com/peterchenadded)  
+[Brandon Wulf](http://github.com/mrwulf)  
+[Pedro Rodrigues](http://github.com/pedro2555)  
+[dekelMP](http://github.com/dekelMP)  
+[Bruce](http://github.com/brucetp)  
+[Camilo Alvarez](http://github.com/jotatsu)  
+[DamianBis](http://github.com/DamianBis)  
+[pfjason](http://github.com/pfjason)  
+[sirLoaf](http://github.com/sirLoaf)  
+[Fyers](http://github.com/Fyers)  
+[Vladimir Semenov](http://github.com/sli-pro)  
+[Stephan](http://github.com/st-schuler)  
+[Aleksey Reytsman](http://github.com/areytsman)  
+[Cristian Abelleira](http://github.com/CrAbelleira)  
+[MitchellBot](http://github.com/MitchellBot)  
+[Filippo Ferrazini](http://github.com/Filippo125)
+
+## Past Contributors
+
+Felix Deimel - mRemote original developer  
+Riley McArdle - mRemoteNG original developer  
+
+[Hayato Iriumi](http://github.com/hiriumi)  
+Jason Barbier  
+Wiktor Beryt  
+Lionel Caignec  
+Ruben d'Arco  
+Holger Henke  
+Tom Hiller  
+Apisitt Rattana  
+Andreas Rehm  
+David Vidmar  
+[Brandhor](http://github.com/Brandhor)  
+[Dimitrij](http://github.com/Kvarkas)  
+
+## Translators
+
+Eugenio "Ryo567" Martínez  
+Mathieu Pape  
+Emanuel Silva  
+Robert Siwiec  
+Hayato Iriumi  
+[Sebastien Thieury](http://github.com/SebThieu)  
+Riza Emet  
+[Lukas Plachy](http://github.com/rheingold)  
+Gyuha Shin  
+[Stefan](http://github.com/polluks)  
+[emazv72](http://github.com/emazv72)  
+[Vladimir Semenov](http://github.com/sli-pro)  
+[Marco Sousa](http://github.com/marcomsousa)  
+[wwj402](http://github.com/wwj402)  
+[Fyers](http://github.com/Fyers)  
+[pablomh](http://github.com/pablomh)  
+[Damian Szczepanik](http://github.com/damianszczepanik)  
+[Mant1kor](http://github.com/Mant1kor)
+
+# Included Source Code
+
+**[Command Line Arguments Parser](http://www.codeproject.com/KB/recipes/command_line.aspx)**  
+Copyright © 2002 Richard Lopes  
+MIT License
+
+**[FilteredPropertyGrid](http://www.codeproject.com/KB/cs/FilteredPropertyGrid.aspx)**  
+Copyright © 2006 Azuria
+
+**[InputBox](http://www.csharp-examples.net/inputbox/)**  
+Copyright © 2016 Jan Slama
+
+**[IP TextBox](http://www.codeproject.com/Articles/11576/IP-TextBox)**  
+Copyright © 2005 mawnkay
+
+**[PortableSettingsProvider](https://github.com/crdx/PortableSettingsProvider)**  
+Copyright © 2014 crdx
+
+**[ADTree](http://www.codeproject.com/KB/selection/ADPickerCtrl.aspx)**  
+Copyright © 2004 Marc Merritt © 2008 Felix Deimel
+
+# Included Components
+
+**[CefSharp](https://github.com/cefsharp/CefSharp)**  
+Copyright © The CefSharp Authors  
+MIT License
+
+**[DockPanel Suite](https://github.com/dockpanelsuite/dockpanelsuite)**  
+Copyright © 2018 @roken and @lextm (formerly Weifen Luo)  
+MIT License
+
+**[log4net](http://logging.apache.org/log4net/)**  
+Copyright © 2001-2015 The Apache Software Foundation  
+Apache License Version 2.0
+
+**[PuTTY](http://www.chiark.greenend.org.uk/~sgtatham/putty/)**  
+Copyright © 1997-2017 Simon Tatham  
+MIT License
+
+**[Silk Icon Set](http://www.famfamfam.com/)**  
+Copyright © 2005-2008 FAMFAMFAM  
+Creative Commons Attribution 2.5 License
+
+**[SSH.NET](https://github.com/sshnet/SSH.NET)**  
+Copyright © 2016  
+MIT License
+
+**[VncSharp](https://github.com/humphd/VncSharp) (Archived)**  
+Copyright © 2004-2009 David Humphrey  
+GNU General Public License (GPL) Version 2
+
+**[ObjectListView](https://sourceforge.net/projects/objectlistview/)**  
+Copyright © 2006-2016 Phillip Piper  
+GNU General Public License (GPL) Version 3
+
+**[ConsoleControl](https://github.com/dwmkerr/consolecontrol)**  
+Copyright © 2015 Dave Kerr  
+MIT License  

Directory.Packages.props

@@ -0,0 +1,104 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
+    <NoWarn>$(NoWarn);NU1507</NoWarn>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageVersion Include="AWSSDK.Core" Version="4.0.0.32" />
+    <PackageVersion Include="AWSSDK.EC2" Version="4.0.40.4" />
+    <PackageVersion Include="BouncyCastle.Cryptography" Version="2.6.2" />
+    <PackageVersion Include="Castle.Core" Version="5.2.1" />
+    <PackageVersion Include="ConsoleControl" Version="1.3.0" />
+    <PackageVersion Include="ConsoleControlAPI" Version="1.3.0" />
+    <PackageVersion Include="coverlet.collector" Version="6.0.4" />
+    <PackageVersion Include="Cucumber.Messages" Version="30.0.0" />
+    <PackageVersion Include="DockPanelSuite" Version="3.1.1" />
+    <PackageVersion Include="DockPanelSuite.ThemeVS2015" Version="3.1.1" />
+    <PackageVersion Include="envdte" Version="17.14.40260" />
+    <PackageVersion Include="Gherkin" Version="35.1.0" />
+    <PackageVersion Include="Google.Protobuf" Version="3.32.1" />
+    <PackageVersion Include="LiteDB" Version="5.0.21" />
+    <PackageVersion Include="log4net" Version="3.2.0" />
+    <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.1" />
+    <PackageVersion Include="Microsoft.Data.SqlClient.SNI" Version="6.0.2" />
+    <PackageVersion Include="Microsoft.Data.SqlClient.SNI.runtime" Version="6.0.2" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyModel" Version="9.0.9" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="9.0.9" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
+    <PackageVersion Include="Microsoft.NETCore.Platforms" Version="7.0.4" />
+    <PackageVersion Include="Microsoft.NETCore.Targets" Version="5.0.0" />
+    <PackageVersion Include="Microsoft.VisualStudio.TextTemplating.VSHost" Version="17.14.40265" />
+    <PackageVersion Include="Microsoft.Web.WebView2" Version="1.0.3537.50" />
+    <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.135" />
+    <PackageVersion Include="Microsoft-WindowsAPICodePack-Shell" Version="1.1.5" />
+    <PackageVersion Include="MySql.Data" Version="9.4.0" />
+    <PackageVersion Include="NETStandard.Library" Version="2.0.3" />
+    <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
+    <PackageVersion Include="Newtonsoft.Json.Schema" Version="4.0.1" />
+    <PackageVersion Include="NSubstitute" Version="5.3.0" />
+    <PackageVersion Include="NUnit" Version="4.4.0" />
+    <PackageVersion Include="NUnit.Console" Version="3.20.1" />
+    <PackageVersion Include="NUnit.ConsoleRunner" Version="3.20.1" />
+    <PackageVersion Include="NUnit.Extension.TeamCityEventListener" Version="1.0.10" />
+    <PackageVersion Include="NUnit.Runners" Version="3.12.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
+    <PackageVersion Include="OpenCover" Version="4.7.1221" />
+    <PackageVersion Include="Renci.SshNet.Async" Version="1.4.0" />
+    <PackageVersion Include="ReportGenerator" Version="5.4.17" />
+    <PackageVersion Include="runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.native.System" Version="4.3.1" />
+    <PackageVersion Include="runtime.native.System.IO.Compression" Version="4.3.2" />
+    <PackageVersion Include="runtime.native.System.Net.Http" Version="4.3.1" />
+    <PackageVersion Include="runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl" Version="4.3.3" />
+    <PackageVersion Include="SSH.NET" Version="2025.0.0" />
+    <PackageVersion Include="System.Buffers" Version="4.6.1" />
+    <PackageVersion Include="System.Configuration.ConfigurationManager" Version="9.0.9" />
+    <PackageVersion Include="System.Collections.Immutable" Version="9.0.9" />
+    <PackageVersion Include="System.Console" Version="4.3.1" />
+    <PackageVersion Include="System.Data.Common" Version="4.3.0" />
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="9.0.9" />
+    <PackageVersion Include="System.Drawing.Common" Version="9.0.9" />
+    <PackageVersion Include="System.Diagnostics.EventLog" Version="9.0.9" />
+    <PackageVersion Include="System.DirectoryServices" Version="9.0.9" />
+    <PackageVersion Include="System.Dynamic.Runtime" Version="4.3.0" />
+    <PackageVersion Include="System.IO.Pipelines" Version="9.0.9" />
+    <PackageVersion Include="System.Formats.Asn1" Version="9.0.9" />
+    <PackageVersion Include="System.Management" Version="9.0.9" />
+    <PackageVersion Include="System.Memory" Version="4.6.3" />
+    <PackageVersion Include="System.Net.Http" Version="4.3.4" />
+    <PackageVersion Include="System.Net.Primitives" Version="4.3.1" />
+    <PackageVersion Include="System.Net.Sockets" Version="4.3.0" />
+    <PackageVersion Include="System.Reflection.Emit" Version="4.7.0" />
+    <PackageVersion Include="System.Reflection.Emit.ILGeneration" Version="4.7.0" />
+    <PackageVersion Include="System.Reflection.Emit.Lightweight" Version="4.7.0" />
+    <PackageVersion Include="System.Reflection.Metadata" Version="9.0.9" />
+    <PackageVersion Include="System.Reflection.TypeExtensions" Version="4.7.0" />
+    <PackageVersion Include="System.Resources.ResourceManager" Version="4.3.0" />
+    <PackageVersion Include="System.Runtime" Version="4.3.1" />
+    <PackageVersion Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />
+    <PackageVersion Include="System.Runtime.Extensions" Version="4.3.1" />
+    <PackageVersion Include="System.Security.AccessControl" Version="6.0.1" />
+    <PackageVersion Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
+    <PackageVersion Include="System.Security.Cryptography.Cng" Version="5.0.0" />
+    <PackageVersion Include="System.Security.Cryptography.OpenSsl" Version="5.0.0" />
+    <PackageVersion Include="System.Security.Cryptography.ProtectedData" Version="9.0.9" />
+    <PackageVersion Include="System.Security.Cryptography.X509Certificates" Version="4.3.2" />
+    <PackageVersion Include="System.Security.Permissions" Version="9.0.9" />
+    <PackageVersion Include="System.Security.Principal.Windows" Version="5.0.0" />
+    <PackageVersion Include="System.Text.Encoding.CodePages" Version="9.0.9" />
+    <PackageVersion Include="System.Text.Json" Version="9.0.9" />
+    <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
+    <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
+    <PackageVersion Include="System.ValueTuple" Version="4.6.1" />
+    <PackageVersion Include="System.Windows.Extensions" Version="9.0.9" />
+    <PackageVersion Include="System.Xml.ReaderWriter" Version="4.3.1" />
+    <PackageVersion Include="VncSharpCore" Version="1.2.1" />
+    <PackageVersion Include="ZstdSharp.Port" Version="0.8.6" />
+  </ItemGroup>
+</Project>

ExternalConnectors/AWS/AWSConnectionForm.Designer.cs

@@ -0,0 +1,180 @@
+namespace ExternalConnectors.AWS
+{
+    partial class AWSConnectionForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.tbAccesKeyID = new System.Windows.Forms.TextBox();
+            this.tbAccesKey = new System.Windows.Forms.TextBox();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();
+            this.tableLayoutPanel1.SuspendLayout();
+            this.tableLayoutPanel2.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // tbAccesKeyID
+            // 
+            this.tbAccesKeyID.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbAccesKeyID.Location = new System.Drawing.Point(152, 4);
+            this.tbAccesKeyID.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.tbAccesKeyID.Name = "tbAccesKeyID";
+            this.tbAccesKeyID.Size = new System.Drawing.Size(490, 23);
+            this.tbAccesKeyID.TabIndex = 0;
+            // 
+            // tbAccesKey
+            // 
+            this.tbAccesKey.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbAccesKey.Location = new System.Drawing.Point(152, 43);
+            this.tbAccesKey.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.tbAccesKey.Name = "tbAccesKey";
+            this.tbAccesKey.Size = new System.Drawing.Size(490, 23);
+            this.tbAccesKey.TabIndex = 2;
+            // 
+            // btnOK
+            // 
+            this.btnOK.Anchor = System.Windows.Forms.AnchorStyles.Right;
+            this.btnOK.DialogResult = System.Windows.Forms.DialogResult.OK;
+            this.btnOK.Location = new System.Drawing.Point(219, 12);
+            this.btnOK.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(88, 26);
+            this.btnOK.TabIndex = 10;
+            this.btnOK.Text = "OK";
+            this.btnOK.UseVisualStyleBackColor = true;
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = System.Windows.Forms.AnchorStyles.Left;
+            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+            this.btnCancel.Location = new System.Drawing.Point(338, 12);
+            this.btnCancel.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(88, 26);
+            this.btnCancel.TabIndex = 11;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            // 
+            // tableLayoutPanel1
+            // 
+            this.tableLayoutPanel1.ColumnCount = 2;
+            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 22.92994F));
+            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 77.07006F));
+            this.tableLayoutPanel1.Controls.Add(this.label1, 0, 0);
+            this.tableLayoutPanel1.Controls.Add(this.label2, 0, 1);
+            this.tableLayoutPanel1.Controls.Add(this.tbAccesKeyID, 1, 0);
+            this.tableLayoutPanel1.Controls.Add(this.tbAccesKey, 1, 1);
+            this.tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Top;
+            this.tableLayoutPanel1.Location = new System.Drawing.Point(0, 0);
+            this.tableLayoutPanel1.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.tableLayoutPanel1.Name = "tableLayoutPanel1";
+            this.tableLayoutPanel1.RowCount = 3;
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
+            this.tableLayoutPanel1.Size = new System.Drawing.Size(646, 102);
+            this.tableLayoutPanel1.TabIndex = 12;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label1.Location = new System.Drawing.Point(4, 0);
+            this.label1.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(140, 39);
+            this.label1.TabIndex = 2;
+            this.label1.Text = "Access Key ID";
+            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label2.Location = new System.Drawing.Point(4, 39);
+            this.label2.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(140, 39);
+            this.label2.TabIndex = 4;
+            this.label2.Text = "Access Key";
+            this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // tableLayoutPanel2
+            // 
+            this.tableLayoutPanel2.ColumnCount = 5;
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 93F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 23F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 93F));
+            this.tableLayoutPanel2.Controls.Add(this.btnOK, 1, 0);
+            this.tableLayoutPanel2.Controls.Add(this.btnCancel, 3, 0);
+            this.tableLayoutPanel2.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.tableLayoutPanel2.Location = new System.Drawing.Point(0, 112);
+            this.tableLayoutPanel2.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.tableLayoutPanel2.Name = "tableLayoutPanel2";
+            this.tableLayoutPanel2.RowCount = 1;
+            this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.tableLayoutPanel2.Size = new System.Drawing.Size(646, 50);
+            this.tableLayoutPanel2.TabIndex = 13;
+            // 
+            // AWSConnectionForm
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(646, 162);
+            this.Controls.Add(this.tableLayoutPanel2);
+            this.Controls.Add(this.tableLayoutPanel1);
+            this.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
+            this.Name = "AWSConnectionForm";
+            this.Text = "AWS EC2 API Login Data";
+            this.Activated += new System.EventHandler(this.AWSConnectionForm_Activated);
+            this.tableLayoutPanel1.ResumeLayout(false);
+            this.tableLayoutPanel1.PerformLayout();
+            this.tableLayoutPanel2.ResumeLayout(false);
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        public System.Windows.Forms.TextBox tbAccesKeyID;
+        public System.Windows.Forms.TextBox tbAccesKey;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;
+        private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;
+    }
+}

ExternalConnectors/AWS/AWSConnectionForm.cs

@@ -0,0 +1,16 @@
+namespace ExternalConnectors.AWS
+{
+    public partial class AWSConnectionForm : Form
+    {
+        public AWSConnectionForm()
+        {
+            InitializeComponent();
+
+        }
+
+        private void AWSConnectionForm_Activated(object sender, EventArgs e)
+        {
+            tbAccesKeyID.Focus();
+        }
+    }
+}

ExternalConnectors/AWS/AWSConnectionForm.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ExternalConnectors/AWS/EC2FetchDataService.cs

@@ -0,0 +1,119 @@
+using Amazon;
+using Amazon.EC2;
+using Amazon.EC2.Model;
+using Microsoft.Win32;
+
+namespace ExternalConnectors.AWS
+{
+    public class EC2FetchDataService
+    {
+        private static DateTime lastFetch;
+        private static List<InstanceInfo>? lastData;
+
+        // input must be in format "AWSAPI:instanceid" where instanceid is the ec2 instance id, e.g. i-066f750a76c97583d
+        public static async Task<string> GetEC2InstanceDataAsync(string input, string region)
+        {
+            // get secret id
+            if (!input.StartsWith("AWSAPI:"))
+                throw new Exception("calling this function requires AWSAPI: input");
+            string InstanceID = input[7..];
+
+            // init connection credentials, display popup if necessary
+            AWSConnectionData.Init();
+            var alldata = await GetEC2IPDataAsync(region);
+            var found = alldata.Where(x => x.InstanceId == InstanceID).SingleOrDefault();
+            return (found == null) ? "" : found.PublicIP;
+        }
+
+        private static async Task<List<InstanceInfo>> GetEC2IPDataAsync(string region)
+        {
+            // caching
+            TimeSpan timeSpan = DateTime.Now - lastFetch;
+            if (timeSpan.TotalMinutes < 1 && lastData != null)
+                return lastData;
+
+            //AWSConfigs.AWSRegion = AWSConnectionData.region;
+            AWSConfigs.AWSRegion = region;
+            string awsAccessKeyId = AWSConnectionData.awsKeyID;
+            string awsSecretAccessKey = AWSConnectionData.awsKey;
+
+            var _client = new AmazonEC2Client(awsAccessKeyId, awsSecretAccessKey, RegionEndpoint.EUCentral1);
+            bool done = false;
+
+            List<InstanceInfo> instanceList = new();
+            var request = new DescribeInstancesRequest();
+            while (!done)
+            {
+                DescribeInstancesResponse response = await _client.DescribeInstancesAsync(request);
+
+                foreach (var reservation in response.Reservations)
+                {
+                    foreach (var instance in reservation.Instances)
+                    {
+                        string vmname = "";
+                        foreach (var tag in instance.Tags)
+                        {
+                            if (tag.Key == "Name")
+                            {
+                                vmname = tag.Value;
+                            }
+                        }
+                        InstanceInfo inf = new(instance, vmname);
+                        instanceList.Add(inf);
+                    }
+                }
+
+                request.NextToken = response.NextToken;
+
+                if (response.NextToken == null)
+                {
+                    done = true;
+                }
+            }
+
+            lastData = instanceList.OrderBy(x => x.Name).ToList();
+            lastFetch = DateTime.Now;
+            return lastData;
+        }
+
+
+        public static class AWSConnectionData
+        {
+            private static readonly RegistryKey key = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\mRemoteAWSInterface");
+
+            public static string awsKeyID = "";
+            public static string awsKey = "";
+            //public static string _region = "eu-central-1";
+
+            public static void Init()
+            {
+                if (awsKey != "")
+                    return;
+                // display gui and ask for data
+                AWSConnectionForm f = new();
+                f.tbAccesKeyID.Text = "" + key.GetValue("KeyID");
+                f.tbAccesKey.Text = "" + key.GetValue("Key");
+                //f.tbRegion.Text = "" + key.GetValue("Region");
+                //if (f.tbRegion.Text == null || f.tbRegion.Text.Length < 2)
+                //    f.tbRegion.Text = region;
+                _ = f.ShowDialog();
+
+                if (f.DialogResult != DialogResult.OK)
+                    return;
+
+                // store values to memory
+                awsKeyID = f.tbAccesKeyID.Text;
+                awsKey = f.tbAccesKey.Text;
+                //region = f.tbRegion.Text;
+
+
+                // write values to registry
+                key.SetValue("KeyID", awsKeyID);
+                key.SetValue("Key", awsKey);
+                //key.SetValue("Region", region);
+                key.Close();
+            }
+        }
+
+    }
+}

ExternalConnectors/AWS/InstanceInfo.cs

@@ -0,0 +1,34 @@
+using Amazon.EC2.Model;
+using System;
+
+namespace ExternalConnectors.AWS
+{
+    public class InstanceInfo
+    {
+        public string InstanceId { get; }
+        public string Name { get; }
+        public string Status { get; }
+        public string PublicIP { get; }
+        public string PrivateIP { get; }
+        public InstanceInfo(Instance instance, string name)
+        {
+            InstanceId = instance.InstanceId;
+            Name = name;
+
+            switch(instance.State.Code)
+            {
+                case 0: Status = "Pending"; break;
+                case 16: Status = "Running"; break;
+                case 32: Status = "Shutdown"; break;
+                case 48: Status = "Terminated"; break;
+                case 64: Status = "Stopping"; break;
+                case 80: Status = "Stopped"; break;
+                default: Status = "Unknown"; break;
+            };
+
+            PublicIP = instance.PublicIpAddress ?? "";
+            PrivateIP = instance.PrivateIpAddress ?? "";
+
+        }
+    }
+}

ExternalConnectors/CPS/CPSConnectionForm.Designer.cs

@@ -0,0 +1,241 @@
+namespace ExternalConnectors.CPS
+{
+    partial class CPSConnectionForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(CPSConnectionForm));
+            tbServerURL = new TextBox();
+            label3 = new Label();
+            tbAPIKey = new TextBox();
+            btnOK = new Button();
+            btnCancel = new Button();
+            tableLayoutPanel1 = new TableLayoutPanel();
+            label1 = new Label();
+            label6 = new Label();
+            tbOTP = new TextBox();
+            cbUseSSO = new CheckBox();
+            tableLayoutPanel2 = new TableLayoutPanel();
+            label4 = new Label();
+            tableLayoutPanel1.SuspendLayout();
+            tableLayoutPanel2.SuspendLayout();
+            SuspendLayout();
+            // 
+            // tbServerURL
+            // 
+            tbServerURL.Dock = DockStyle.Fill;
+            tbServerURL.Location = new Point(298, 5);
+            tbServerURL.Margin = new Padding(5);
+            tbServerURL.Name = "tbServerURL";
+            tbServerURL.Size = new Size(611, 27);
+            tbServerURL.TabIndex = 0;
+            // 
+            // label3
+            // 
+            label3.AutoSize = true;
+            label3.Dock = DockStyle.Fill;
+            label3.Location = new Point(5, 84);
+            label3.Margin = new Padding(5, 0, 5, 0);
+            label3.Name = "label3";
+            label3.Size = new Size(283, 42);
+            label3.TabIndex = 5;
+            label3.Text = "API Key";
+            label3.TextAlign = ContentAlignment.MiddleLeft;
+            // 
+            // tbAPIKey
+            // 
+            tbAPIKey.Dock = DockStyle.Fill;
+            tbAPIKey.Location = new Point(298, 89);
+            tbAPIKey.Margin = new Padding(5);
+            tbAPIKey.Name = "tbAPIKey";
+            tbAPIKey.Size = new Size(611, 27);
+            tbAPIKey.TabIndex = 4;
+            tbAPIKey.UseSystemPasswordChar = true;
+            // 
+            // btnOK
+            // 
+            btnOK.Anchor = AnchorStyles.Right;
+            btnOK.DialogResult = DialogResult.OK;
+            btnOK.Location = new Point(337, 16);
+            btnOK.Margin = new Padding(5);
+            btnOK.Name = "btnOK";
+            btnOK.Size = new Size(101, 35);
+            btnOK.TabIndex = 6;
+            btnOK.Text = "OK";
+            btnOK.UseVisualStyleBackColor = true;
+            // 
+            // btnCancel
+            // 
+            btnCancel.Anchor = AnchorStyles.Left;
+            btnCancel.DialogResult = DialogResult.Cancel;
+            btnCancel.Location = new Point(474, 16);
+            btnCancel.Margin = new Padding(5);
+            btnCancel.Name = "btnCancel";
+            btnCancel.Size = new Size(101, 35);
+            btnCancel.TabIndex = 11;
+            btnCancel.Text = "Cancel";
+            btnCancel.UseVisualStyleBackColor = true;
+            // 
+            // tableLayoutPanel1
+            // 
+            tableLayoutPanel1.ColumnCount = 2;
+            tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 32.06997F));
+            tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 67.93003F));
+            tableLayoutPanel1.Controls.Add(label1, 0, 0);
+            tableLayoutPanel1.Controls.Add(label3, 0, 2);
+            tableLayoutPanel1.Controls.Add(tbServerURL, 1, 0);
+            tableLayoutPanel1.Controls.Add(tbAPIKey, 1, 2);
+            tableLayoutPanel1.Controls.Add(label6, 0, 3);
+            tableLayoutPanel1.Controls.Add(tbOTP, 1, 3);
+            tableLayoutPanel1.Controls.Add(cbUseSSO, 0, 1);
+            tableLayoutPanel1.Dock = DockStyle.Top;
+            tableLayoutPanel1.Location = new Point(0, 0);
+            tableLayoutPanel1.Margin = new Padding(5);
+            tableLayoutPanel1.Name = "tableLayoutPanel1";
+            tableLayoutPanel1.RowCount = 5;
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 20F));
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 20F));
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 20F));
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 20F));
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 20F));
+            tableLayoutPanel1.Size = new Size(914, 212);
+            tableLayoutPanel1.TabIndex = 12;
+            // 
+            // label1
+            // 
+            label1.AutoSize = true;
+            label1.Dock = DockStyle.Fill;
+            label1.Location = new Point(5, 0);
+            label1.Margin = new Padding(5, 0, 5, 0);
+            label1.Name = "label1";
+            label1.Size = new Size(283, 42);
+            label1.TabIndex = 2;
+            label1.Text = "Passwordstate URL";
+            label1.TextAlign = ContentAlignment.MiddleLeft;
+            // 
+            // label6
+            // 
+            label6.AutoSize = true;
+            label6.Dock = DockStyle.Fill;
+            label6.Location = new Point(3, 126);
+            label6.Name = "label6";
+            label6.Size = new Size(287, 42);
+            label6.TabIndex = 15;
+            label6.Text = "2FA OTP (Optional)";
+            // 
+            // tbOTP
+            // 
+            tbOTP.Dock = DockStyle.Fill;
+            tbOTP.Location = new Point(298, 131);
+            tbOTP.Margin = new Padding(5);
+            tbOTP.Name = "tbOTP";
+            tbOTP.Size = new Size(611, 27);
+            tbOTP.TabIndex = 5;
+            // 
+            // cbUseSSO
+            // 
+            cbUseSSO.Anchor = AnchorStyles.Left;
+            cbUseSSO.AutoSize = true;
+            cbUseSSO.Location = new Point(5, 53);
+            cbUseSSO.Margin = new Padding(5, 5, 5, 0);
+            cbUseSSO.Name = "cbUseSSO";
+            cbUseSSO.Size = new Size(157, 24);
+            cbUseSSO.TabIndex = 14;
+            cbUseSSO.Text = "Use SSO / WinAuth";
+            cbUseSSO.UseVisualStyleBackColor = true;
+            cbUseSSO.CheckedChanged += cbUseSSO_CheckedChanged;
+            // 
+            // tableLayoutPanel2
+            // 
+            tableLayoutPanel2.ColumnCount = 5;
+            tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 106F));
+            tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
+            tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 26F));
+            tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
+            tableLayoutPanel2.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 107F));
+            tableLayoutPanel2.Controls.Add(btnOK, 1, 0);
+            tableLayoutPanel2.Controls.Add(btnCancel, 3, 0);
+            tableLayoutPanel2.Dock = DockStyle.Bottom;
+            tableLayoutPanel2.Location = new Point(0, 300);
+            tableLayoutPanel2.Margin = new Padding(5);
+            tableLayoutPanel2.Name = "tableLayoutPanel2";
+            tableLayoutPanel2.RowCount = 1;
+            tableLayoutPanel2.RowStyles.Add(new RowStyle(SizeType.Percent, 100F));
+            tableLayoutPanel2.Size = new Size(914, 67);
+            tableLayoutPanel2.TabIndex = 13;
+            // 
+            // label4
+            // 
+            label4.AutoSize = true;
+            label4.Dock = DockStyle.Fill;
+            label4.Location = new Point(0, 212);
+            label4.Margin = new Padding(5, 0, 5, 0);
+            label4.Name = "label4";
+            label4.Size = new Size(345, 20);
+            label4.TabIndex = 14;
+            label4.Text = "URL is the base URL, like https://pass.domain.local/";
+            label4.TextAlign = ContentAlignment.MiddleLeft;
+            // 
+            // CPSConnectionForm
+            // 
+            AcceptButton = btnOK;
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(914, 367);
+            Controls.Add(label4);
+            Controls.Add(tableLayoutPanel2);
+            Controls.Add(tableLayoutPanel1);
+            Icon = (Icon)resources.GetObject("$this.Icon");
+            Margin = new Padding(5);
+            Name = "CPSConnectionForm";
+            Text = "Passwordstate API Login Data";
+            Activated += CPSConnectionForm_Activated;
+            tableLayoutPanel1.ResumeLayout(false);
+            tableLayoutPanel1.PerformLayout();
+            tableLayoutPanel2.ResumeLayout(false);
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+        private System.Windows.Forms.Label label3;
+
+        public System.Windows.Forms.TextBox tbServerURL;
+        //public System.Windows.Forms.TextBox tbUsername;
+        public System.Windows.Forms.TextBox tbAPIKey;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;
+        private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;
+        public System.Windows.Forms.CheckBox cbUseSSO;
+        private System.Windows.Forms.Label label4;
+        private Label label6;
+        public TextBox tbOTP;
+    }
+}

ExternalConnectors/CPS/CPSConnectionForm.cs

@@ -0,0 +1,41 @@
+namespace ExternalConnectors.CPS
+{
+    public partial class CPSConnectionForm : Form
+    {
+        public CPSConnectionForm()
+        {
+            InitializeComponent();
+        }
+
+        private void CPSConnectionForm_Activated(object sender, EventArgs e)
+        {
+            SetVisibility();
+            if (cbUseSSO.Checked)
+                btnOK.Focus();
+            else
+            {
+                if (tbAPIKey.Text.Length == 0)
+                    tbAPIKey.Focus(); 
+                else
+                    tbOTP.Focus();
+            }
+
+            tbAPIKey.Focus();
+            if (!string.IsNullOrEmpty(tbAPIKey.Text) || cbUseSSO.Checked == true)
+                tbOTP.Focus();
+
+
+        }
+
+        private void cbUseSSO_CheckedChanged(object sender, EventArgs e)
+        {
+            SetVisibility();
+        }
+        private void SetVisibility()
+        {
+            bool ch = cbUseSSO.Checked;
+            tbAPIKey.Enabled = !ch;
+            //tbUsername.Enabled = !ch;
+        }
+    }
+}

ExternalConnectors/CPS/CPSConnectionForm.resx

@@ -1,17 +1,17 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
+  <!--
     Microsoft ResX Schema 
-    
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
     
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -112,40 +112,38 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="cMenSession.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>14, 16</value>
-  </metadata>
-  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>49</value>
-  </metadata>
-  <assembly alias="System.Drawing" name="System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
-        AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-        AABtqNwNW4y4K0lEPoJKSkrgVVVV709PT/dKSkr3U1NT9EBAQN1KSEhkXprRKm+n2g0AAAAAAAAAAAAA
-        AAAAAAAAU5jbr0Z7sv9gWVL/eXl5/4eHh/95eXn/Xl5e/4qKiv9ubm7/SUhH/0aIyf9YmNenAAAAAAAA
-        AAAAAAAAAAAAADGN6f9/qM3/fHdy/4yMjP9tbW3/TU1N/0hISP9nZ2f/dXV1/2dmZP9+t+v/K4He+gAA
-        AAAAAAAAAAAAAAAAAABCX3uuf42a/4WDgv9ZWVn/Wlpa/5GRkf+KiYn/TExM/1FRUf93dnX/a36P/z9Z
-        dqEAAAAAAAAAAAAAAAAAAAAAUk1HHG9tasFOTk//dXR0/2ZlZP+wsLD/lpaW/19eXf9wcG//VlZX/3JJ
-        N/SkSynkrkYd1ppWPWtklMMYbKfcCQAAAABLSkkoRD88vnh7ff1udXv/Y4er/1t4lP9xdXj/bm1t/4lp
-        Sf/knFT/7aZX/9+FQP+XTTvlR323y2Cg2XUAAAAAAAAAAFhAM0tFbJP0lsbz/7LZ/f+53v//jb3o/1Nn
-        dv/nmlP//6RY//+nVv//qFz/z3pS/4Ocwf8zi+L8AAAAAAAAAAAsRWRmgKrU/7vc+P+q0vj/msXu/7jZ
-        9/9fjr3/26Bl//6oWv/9nlP//5VG/++bZf+aobj/RnGn2gAAAAAAAAAABTVrezxcgf9zl7v/X4at/zZh
-        iv9QdJn/I0Vm/8+2c///wFv//7JS///Bg//4tZD/rksk3pI/DzsAAAAAAAAAAC9Jc3wjTYD/FUZ9/x1L
-        e/8OO2z/GkVx/wgoTP9vgob/go6L/5qclv/9xKD/vVUw3Zs4BUMAAAAAAAAAAAAAAABiZGk0PVZ32yNV
-        jf8VTYr/IFSK/w47av9JY33/i7jl/5TC8P+Buu//WW2K94g1CmYAAAAAAAAAAAAAAAAAAAAAYmVoAVtg
-        Z1khR3rgDD9/6gw8dussS2/5oLvU/6rR9P+s1Pr/t9n4/3yy4v5VU2FkAAAAAAAAAAAAAAAAAAAAAAAA
-        AAAAAAAAAAAAAAAAAAALTJQcTXmq/cXe9v+Rv+3/ZI63/3SZvv90lbT/MnKsggAAAAAAAAAAAAAAAAAA
-        AAAAAAAAAAAAAAAAAAAAAAAACUGQIBlQlv9MfrH/SHqv/xNEef8MO27/By9c/y5WgIYAAAAAAAAAAAAA
-        AAAAAAAAAAAAAAAAAAAAAAAAAAAAABI7dg8PQYLGBk2W/wdMjf8PUZH/EUyJ/w04Z/QbOVhPAAAAAAAA
-        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEzJlJxNCgMERT5b3D0uO9xFBfOkUMldpEStGBAAA
-        AAAAAAAAAA+cQQAPnEEAD5xBAA+cQQAAnEGAAJxBwACcQcAAnEHAAJxBwAGcQcADnEHAA5xB/AOcQfwD
-        nEH8A5xB/gOcQQ==
+        AAABAAEAEBAAAAEACABoBQAAFgAAACgAAAAQAAAAIAAAAAEACAAAAAAAAAEAAAAAAAAAAAAAAAEAAAAA
+        AAAtLDAA+PDaAP///wD79ugA/PrzAPf39wBGRUkA7NacAM2WAAA3z6kA+Pz/AIKBgwD+//4A4sNtAHXe
+        xAD8+vIAjuTOANOjHgDV6/4AJZf3APn5+QDw37IAIB8jAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAgICAgICCQ4CAgIWAgIUAgICAgICAgkJAgICFhYWAAIIDwICAgICCQwCAhYWFgYCCAgIBwIC
+        AgkJAgsWFhYWBQICCAgIAwIJCQIWFhYWAgICAgINCAgCAgICFhYCAgICAgICAgIRAgICAgICAgICAgIC
+        AgICEwICAgICEhMTExMCAgITExMCAgICAgITExMTAhMTExMCAgICAgICAgICAhMTEwICAgIICAIJCQIC
+        AgIKAgICAgIICAQCAgkJAgICAgICAgICCAgCAgICCQkCAgICAgICFQgBAgICAgwJAgICAgICAggIAgIC
+        AgICEAkCAgICAgIIAgICAgICAgICAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
 </value>
   </data>
 </root>

ExternalConnectors/CPS/PasswordstateInterface.cs

@@ -0,0 +1,295 @@
+using Microsoft.Win32;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.OpenSsl;
+using Org.BouncyCastle.Security;
+using System.Security.Cryptography;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+
+namespace ExternalConnectors.CPS;
+
+public class PasswordstateInterface
+{
+    private static class CPSConnectionData
+    {
+        public static string ssUsername = "";
+        public static string ssPassword = "";
+        public static string ssUrl = "";
+        public static string ssOTP = "";
+        public static DateTime ssOTPTimeStampExpiration;
+
+        public static bool ssSSO = false;
+        public static bool initdone = false;
+
+        //token 
+        //public static string ssTokenBearer = "";
+        //public static DateTime ssTokenExpiresOn = DateTime.UtcNow;
+        //public static string ssTokenRefresh = "";
+
+        public static void Init()
+        {
+            // 2024-05-04 passwordstate currently does not support auth tokens, so we need to re-enter otp codes frequently
+            if (!string.IsNullOrEmpty(ssOTP) && DateTime.Now > ssOTPTimeStampExpiration)
+            {
+                ssOTP = "";
+                initdone = false;
+            }
+
+            if (initdone == true)
+                return;
+
+            RegistryKey key = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\mRemoteCPSInterface");
+            try
+            {
+                // display gui and ask for data
+                CPSConnectionForm f = new CPSConnectionForm();
+                //string? un = key.GetValue("Username") as string;
+                //f.tbUsername.Text = un ?? "";
+                f.tbAPIKey.Text = CPSConnectionData.ssPassword;    // in OTP refresh cases, this value might already be filled
+
+                string? url = key.GetValue("URL") as string;
+                if (url == null || !url.Contains("://"))
+                    url = "https://cred.domain.local/SecretServer";
+                f.tbServerURL.Text = url;
+
+                var b = key.GetValue("SSO");
+                if (b == null || (string)b != "True")
+                    ssSSO = false;
+                else
+                    ssSSO = true;
+                f.cbUseSSO.Checked = ssSSO;
+                
+                // show dialog
+                while (true)
+                {
+                    _ = f.ShowDialog();
+
+                    if (f.DialogResult != DialogResult.OK)
+                        return;
+
+                    // store values to memory
+                    //ssUsername = f.tbUsername.Text;
+                    ssPassword = f.tbAPIKey.Text;
+                    ssUrl = f.tbServerURL.Text;
+                    ssSSO = f.cbUseSSO.Checked;
+                    ssOTP = f.tbOTP.Text;
+                    ssOTPTimeStampExpiration = DateTime.Now.AddSeconds(30);
+                    // check connection first
+                    try
+                    {
+                        if (TestCredentials() == true)
+                        {
+                            initdone = true;
+                            break;
+                        }
+                    }
+                    catch (Exception)
+                    {
+                        MessageBox.Show("Test Credentials failed - please check your credentials");
+                    }
+                }
+
+
+                // write values to registry
+                //key.SetValue("Username", ssUsername);
+                key.SetValue("URL", ssUrl);
+                key.SetValue("SSO", ssSSO);
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+            finally
+            {
+                key.Close();
+            }
+        }
+    }
+
+    private static bool TestCredentials()
+    {
+        return ConnectionTest();
+    }
+    private static bool ConnectionTest()
+    {
+        if (CPSConnectionData.ssSSO)
+        {
+            string url = $"{CPSConnectionData.ssUrl}/winapi/passwordlists/";
+
+            using HttpClient client = new HttpClient(new HttpClientHandler() { UseDefaultCredentials = true });
+            client.DefaultRequestHeaders.Accept.Clear();
+            client.DefaultRequestHeaders.Add("User-Agent", "mRemote");
+            client.DefaultRequestHeaders.Add("OTP", CPSConnectionData.ssOTP);
+
+            var json = client.GetStringAsync(url).Result;
+            JsonNode? data = JsonSerializer.Deserialize<JsonNode>(json);
+            if (data == null)
+                return false;
+            return true;
+        }
+        else
+        {
+            string url = $"{CPSConnectionData.ssUrl}/api/passwordlists/";
+            using HttpClient client = new HttpClient();
+            client.DefaultRequestHeaders.Accept.Clear();
+            client.DefaultRequestHeaders.Add("User-Agent", "mRemote");
+            client.DefaultRequestHeaders.Add("APIKey", CPSConnectionData.ssPassword);
+            client.DefaultRequestHeaders.Add("OTP", CPSConnectionData.ssOTP);
+
+            var json = client.GetStringAsync(url).Result;
+            JsonNode? data = JsonSerializer.Deserialize<JsonNode>(json);
+            if (data == null)
+                return false;
+            return true;
+        }
+    }
+
+    private static JsonNode? FetchDataWinAuth(int secretID)
+    {
+        string url = $"{CPSConnectionData.ssUrl}/winapi/passwords/{secretID}";
+
+        using HttpClient client = new HttpClient(new HttpClientHandler() { UseDefaultCredentials = true });
+        client.DefaultRequestHeaders.Accept.Clear();
+        client.DefaultRequestHeaders.Add("User-Agent", "mRemote");
+        client.DefaultRequestHeaders.Add("OTP", CPSConnectionData.ssOTP);
+
+        var json = client.GetStringAsync(url).Result;
+        JsonNode? data = JsonSerializer.Deserialize<JsonNode>(json);
+        if (data == null)
+            return null;
+        JsonNode? element = data[0];
+        return element;
+    }
+    private static JsonNode? FetchDataAPIKeyAuth(int secretID)
+    {
+        string url = $"{CPSConnectionData.ssUrl}/api/passwords/{secretID}";
+
+        using HttpClient client = new HttpClient();
+        client.DefaultRequestHeaders.Accept.Clear();
+        client.DefaultRequestHeaders.Add("User-Agent", "mRemote");
+        client.DefaultRequestHeaders.Add("APIKey", CPSConnectionData.ssPassword);
+        client.DefaultRequestHeaders.Add("OTP", CPSConnectionData.ssOTP);
+
+        var json = client.GetStringAsync(url).Result;
+        JsonNode? data = JsonSerializer.Deserialize<JsonNode>(json);
+        if (data == null)
+            return null;
+        JsonNode? element = data[0];
+        return element;
+    }
+
+    private static void FetchSecret(int secretID, out string secretUsername, out string secretPassword, out string secretDomain, out string privatekey)
+    {
+        // clear return variables
+        secretDomain = "";
+        secretUsername = "";
+        secretPassword = "";
+        privatekey = "";
+        string privatekeypassphrase = "";
+        JsonNode? element = null;
+
+        if (CPSConnectionData.ssSSO)
+            element = FetchDataWinAuth(secretID);
+        else
+            element = FetchDataAPIKeyAuth(secretID);
+
+        if (element == null)
+            return;
+
+        var dom = element["Domain"];
+        if (dom != null) secretDomain = dom.ToString();
+
+        var user = element["UserName"];
+        if (user != null) secretUsername = user.ToString();
+
+        var pw = element["Password"];
+        if (pw != null) secretPassword = pw.ToString();
+
+        var privkey = element["GenericField1"];
+        if (privkey != null) privatekey = privkey.ToString();
+
+        var phrase = element["GenericField3"];
+        if (phrase != null) privatekeypassphrase = phrase.ToString();
+
+        // need to decode the private key?
+        if (!string.IsNullOrEmpty(privatekeypassphrase))
+        {
+            try
+            {
+                var key = DecodePrivateKey(privatekey, privatekeypassphrase);
+                privatekey = key;
+            }
+            catch(Exception)
+            {
+
+            }
+        }
+
+        // conversion to putty format necessary?
+        if (!string.IsNullOrEmpty(privatekey) && !privatekey.StartsWith("PuTTY-User-Key-File-2"))
+        {
+            try
+            {
+                RSACryptoServiceProvider key = ImportPrivateKey(privatekey);
+                privatekey = PuttyKeyFileGenerator.ToPuttyPrivateKey(key);
+            }
+            catch (Exception)
+            {
+
+            }
+        }
+    }
+
+    #region PUTTY KEY HANDLING
+    // decode rsa private key with encryption password
+    private static string DecodePrivateKey(string encryptedPrivateKey, string password)
+    {
+        TextReader textReader = new StringReader(encryptedPrivateKey);
+        PemReader pemReader = new PemReader(textReader, new PasswordFinder(password));
+
+        AsymmetricCipherKeyPair keyPair = (AsymmetricCipherKeyPair)pemReader.ReadObject();
+
+        TextWriter textWriter = new StringWriter();
+        var pemWriter = new PemWriter(textWriter);
+        pemWriter.WriteObject(keyPair.Private);
+        pemWriter.Writer.Flush();
+
+        return ""+textWriter.ToString();
+    }
+    private class PasswordFinder(string password) : IPasswordFinder
+    {
+        private string password = password;
+
+        public char[] GetPassword()
+        {
+            return password.ToCharArray();
+        }
+    }
+
+    // read private key pem string to rsacryptoserviceprovider
+    public static RSACryptoServiceProvider ImportPrivateKey(string pem)
+    {
+        PemReader pr = new PemReader(new StringReader(pem));
+        AsymmetricCipherKeyPair KeyPair = (AsymmetricCipherKeyPair)pr.ReadObject();
+        RSAParameters rsaParams = DotNetUtilities.ToRSAParameters((RsaPrivateCrtKeyParameters)KeyPair.Private);
+        RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
+        rsa.ImportParameters(rsaParams);
+        return rsa;
+    }
+    #endregion
+
+
+    // input: must be the secret id to fetch
+    public static void FetchSecretFromServer(string secretID, out string username, out string password, out string domain, out string privatekey)
+    {
+        // get secret id
+        int sid = Int32.Parse(secretID);
+
+        // init connection credentials, display popup if necessary
+        CPSConnectionData.Init();
+
+        // get the secret
+        FetchSecret(sid, out username, out password, out domain, out privatekey);
+    }
+}

ExternalConnectors/DSS/SSConnectionForm.Designer.cs

@@ -0,0 +1,281 @@
+namespace ExternalConnectors.DSS
+{
+    partial class SSConnectionForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(SSConnectionForm));
+            this.tbSSURL = new System.Windows.Forms.TextBox();
+            this.tbUsername = new System.Windows.Forms.TextBox();
+            this.label3 = new System.Windows.Forms.Label();
+            this.tbPassword = new System.Windows.Forms.TextBox();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
+            this.label5 = new System.Windows.Forms.Label();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.cbUseSSO = new System.Windows.Forms.CheckBox();
+            this.label6 = new System.Windows.Forms.Label();
+            this.tbOTP = new System.Windows.Forms.TextBox();
+            this.tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();
+            this.label4 = new System.Windows.Forms.Label();
+            this.tableLayoutPanel1.SuspendLayout();
+            this.tableLayoutPanel2.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // tbSSURL
+            // 
+            this.tbSSURL.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbSSURL.Location = new System.Drawing.Point(298, 5);
+            this.tbSSURL.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.tbSSURL.Name = "tbSSURL";
+            this.tbSSURL.Size = new System.Drawing.Size(611, 27);
+            this.tbSSURL.TabIndex = 0;
+            // 
+            // tbUsername
+            // 
+            this.tbUsername.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbUsername.Location = new System.Drawing.Point(298, 47);
+            this.tbUsername.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.tbUsername.Name = "tbUsername";
+            this.tbUsername.Size = new System.Drawing.Size(611, 27);
+            this.tbUsername.TabIndex = 2;
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label3.Location = new System.Drawing.Point(5, 84);
+            this.label3.Margin = new System.Windows.Forms.Padding(5, 0, 5, 0);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(283, 42);
+            this.label3.TabIndex = 5;
+            this.label3.Text = "Password";
+            this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // tbPassword
+            // 
+            this.tbPassword.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbPassword.Location = new System.Drawing.Point(298, 89);
+            this.tbPassword.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.tbPassword.Name = "tbPassword";
+            this.tbPassword.Size = new System.Drawing.Size(611, 27);
+            this.tbPassword.TabIndex = 4;
+            this.tbPassword.UseSystemPasswordChar = true;
+            // 
+            // btnOK
+            // 
+            this.btnOK.Anchor = System.Windows.Forms.AnchorStyles.Right;
+            this.btnOK.DialogResult = System.Windows.Forms.DialogResult.OK;
+            this.btnOK.Location = new System.Drawing.Point(337, 16);
+            this.btnOK.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(101, 35);
+            this.btnOK.TabIndex = 6;
+            this.btnOK.Text = "OK";
+            this.btnOK.UseVisualStyleBackColor = true;
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = System.Windows.Forms.AnchorStyles.Left;
+            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+            this.btnCancel.Location = new System.Drawing.Point(474, 16);
+            this.btnCancel.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(101, 35);
+            this.btnCancel.TabIndex = 11;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            // 
+            // tableLayoutPanel1
+            // 
+            this.tableLayoutPanel1.ColumnCount = 2;
+            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 32.06997F));
+            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 67.93003F));
+            this.tableLayoutPanel1.Controls.Add(this.label5, 1, 4);
+            this.tableLayoutPanel1.Controls.Add(this.label1, 0, 0);
+            this.tableLayoutPanel1.Controls.Add(this.label2, 0, 1);
+            this.tableLayoutPanel1.Controls.Add(this.label3, 0, 2);
+            this.tableLayoutPanel1.Controls.Add(this.tbSSURL, 1, 0);
+            this.tableLayoutPanel1.Controls.Add(this.cbUseSSO, 0, 4);
+            this.tableLayoutPanel1.Controls.Add(this.tbUsername, 1, 1);
+            this.tableLayoutPanel1.Controls.Add(this.tbPassword, 1, 2);
+            this.tableLayoutPanel1.Controls.Add(this.label6, 0, 3);
+            this.tableLayoutPanel1.Controls.Add(this.tbOTP, 1, 3);
+            this.tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Top;
+            this.tableLayoutPanel1.Location = new System.Drawing.Point(0, 0);
+            this.tableLayoutPanel1.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.tableLayoutPanel1.Name = "tableLayoutPanel1";
+            this.tableLayoutPanel1.RowCount = 5;
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
+            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
+            this.tableLayoutPanel1.Size = new System.Drawing.Size(914, 212);
+            this.tableLayoutPanel1.TabIndex = 12;
+            // 
+            // label5
+            // 
+            this.label5.AutoSize = true;
+            this.label5.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label5.Location = new System.Drawing.Point(298, 168);
+            this.label5.Margin = new System.Windows.Forms.Padding(5, 0, 5, 0);
+            this.label5.Name = "label5";
+            this.label5.Size = new System.Drawing.Size(611, 44);
+            this.label5.TabIndex = 15;
+            this.label5.Text = "For SSO to work, additional IIS configuration is required!";
+            this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label1.Location = new System.Drawing.Point(5, 0);
+            this.label1.Margin = new System.Windows.Forms.Padding(5, 0, 5, 0);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(283, 42);
+            this.label1.TabIndex = 2;
+            this.label1.Text = "Secret Server URL";
+            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label2.Location = new System.Drawing.Point(5, 42);
+            this.label2.Margin = new System.Windows.Forms.Padding(5, 0, 5, 0);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(283, 42);
+            this.label2.TabIndex = 4;
+            this.label2.Text = "DOMAIN\\Username";
+            this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // cbUseSSO
+            // 
+            this.cbUseSSO.AutoSize = true;
+            this.cbUseSSO.Location = new System.Drawing.Point(5, 173);
+            this.cbUseSSO.Margin = new System.Windows.Forms.Padding(5, 5, 5, 0);
+            this.cbUseSSO.Name = "cbUseSSO";
+            this.cbUseSSO.Size = new System.Drawing.Size(86, 24);
+            this.cbUseSSO.TabIndex = 14;
+            this.cbUseSSO.Text = "Use SSO";
+            this.cbUseSSO.UseVisualStyleBackColor = true;
+            this.cbUseSSO.CheckedChanged += new System.EventHandler(this.cbUseSSO_CheckedChanged);
+            // 
+            // label6
+            // 
+            this.label6.AutoSize = true;
+            this.label6.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label6.Location = new System.Drawing.Point(3, 126);
+            this.label6.Name = "label6";
+            this.label6.Size = new System.Drawing.Size(287, 42);
+            this.label6.TabIndex = 15;
+            this.label6.Text = "2FA OTP (Optional)";
+            // 
+            // tbOTP
+            // 
+            this.tbOTP.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tbOTP.Location = new System.Drawing.Point(296, 130);
+            this.tbOTP.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.tbOTP.Name = "tbOTP";
+            this.tbOTP.Size = new System.Drawing.Size(615, 27);
+            this.tbOTP.TabIndex = 5;
+            // 
+            // tableLayoutPanel2
+            // 
+            this.tableLayoutPanel2.ColumnCount = 5;
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 106F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 26F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
+            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 107F));
+            this.tableLayoutPanel2.Controls.Add(this.btnOK, 1, 0);
+            this.tableLayoutPanel2.Controls.Add(this.btnCancel, 3, 0);
+            this.tableLayoutPanel2.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.tableLayoutPanel2.Location = new System.Drawing.Point(0, 300);
+            this.tableLayoutPanel2.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.tableLayoutPanel2.Name = "tableLayoutPanel2";
+            this.tableLayoutPanel2.RowCount = 1;
+            this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.tableLayoutPanel2.Size = new System.Drawing.Size(914, 67);
+            this.tableLayoutPanel2.TabIndex = 13;
+            // 
+            // label4
+            // 
+            this.label4.AutoSize = true;
+            this.label4.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.label4.Location = new System.Drawing.Point(0, 212);
+            this.label4.Margin = new System.Windows.Forms.Padding(5, 0, 5, 0);
+            this.label4.Name = "label4";
+            this.label4.Size = new System.Drawing.Size(427, 20);
+            this.label4.TabIndex = 14;
+            this.label4.Text = "URL is the base URL, like https://cred.domain.local/SecretServer";
+            this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // SSConnectionForm
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(914, 367);
+            this.Controls.Add(this.label4);
+            this.Controls.Add(this.tableLayoutPanel2);
+            this.Controls.Add(this.tableLayoutPanel1);
+            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
+            this.Name = "SSConnectionForm";
+            this.Text = "Secret Server API Login Data";
+            this.Activated += new System.EventHandler(this.SSConnectionForm_Activated);
+            this.tableLayoutPanel1.ResumeLayout(false);
+            this.tableLayoutPanel1.PerformLayout();
+            this.tableLayoutPanel2.ResumeLayout(false);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+        private System.Windows.Forms.Label label3;
+
+        public System.Windows.Forms.TextBox tbSSURL;
+        public System.Windows.Forms.TextBox tbUsername;
+        public System.Windows.Forms.TextBox tbPassword;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;
+        private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;
+        public System.Windows.Forms.CheckBox cbUseSSO;
+        private System.Windows.Forms.Label label4;
+        private Label label5;
+        private Label label6;
+        public TextBox tbOTP;
+    }
+}

ExternalConnectors/DSS/SSConnectionForm.cs

@@ -0,0 +1,35 @@
+namespace ExternalConnectors.DSS
+{
+    public partial class SSConnectionForm : Form
+    {
+        public SSConnectionForm()
+        {
+            InitializeComponent();
+        }
+
+        private void SSConnectionForm_Activated(object sender, EventArgs e)
+        {
+            SetVisibility();
+            if (cbUseSSO.Checked)
+                btnOK.Focus();
+            else
+            {
+                if (tbPassword.Text.Length == 0)
+                    tbPassword.Focus(); 
+                else
+                    tbOTP.Focus();
+            }
+        }
+
+        private void cbUseSSO_CheckedChanged(object sender, EventArgs e)
+        {
+            SetVisibility();
+        }
+        private void SetVisibility()
+        {
+            bool ch = cbUseSSO.Checked;
+            tbPassword.Enabled = !ch;
+            tbUsername.Enabled = !ch;
+        }
+    }
+}

ExternalConnectors/DSS/SSConnectionForm.resx

@@ -0,0 +1,615 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+  <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        AAABAAQAQEAAAAEAIAAoQAAARgAAACAgAAABACAAKBAAAG5AAAAYGAAAAQAgACgJAACWUAAAEBAAAAEA
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+  </data>
+</root>

ExternalConnectors/DSS/SecretServerAuthentication.cs

@@ -0,0 +1,377 @@
+//----------------------
+// <auto-generated>
+//     Generated using the NSwag toolchain v13.14.8.0 (NJsonSchema v10.5.2.0 (Newtonsoft.Json v11.0.0.0)) (http://NSwag.org)
+// </auto-generated>
+//----------------------
+
+#pragma warning disable 108 // Disable "CS0108 '{derivedDto}.ToJson()' hides inherited member '{dtoBase}.ToJson()'. Use the new keyword if hiding was intended."
+#pragma warning disable 114 // Disable "CS0114 '{derivedDto}.RaisePropertyChanged(String)' hides inherited member 'dtoBase.RaisePropertyChanged(String)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword."
+#pragma warning disable 472 // Disable "CS0472 The result of the expression is always 'false' since a value of type 'Int32' is never equal to 'null' of type 'Int32?'
+#pragma warning disable 1573 // Disable "CS1573 Parameter '...' has no matching param tag in the XML comment for ...
+#pragma warning disable 1591 // Disable "CS1591 Missing XML comment for publicly visible type or member ..."
+#pragma warning disable 8073 // Disable "CS8073 The result of the expression is always 'false' since a value of type 'T' is never equal to 'null' of type 'T?'"
+#pragma warning disable 3016 // Disable "CS3016 Arrays as attribute arguments is not CLS-compliant"
+
+namespace SecretServerAuthentication.DSS
+{
+    using System = global::System;
+
+    [System.CodeDom.Compiler.GeneratedCode("NSwag", "13.14.8.0 (NJsonSchema v10.5.2.0 (Newtonsoft.Json v11.0.0.0))")]
+    public partial class OAuth2ServiceClient
+    {
+        private string _baseUrl = "";
+        private System.Net.Http.HttpClient _httpClient;
+        private System.Lazy<Newtonsoft.Json.JsonSerializerSettings> _settings;
+
+        public OAuth2ServiceClient(string baseUrl, System.Net.Http.HttpClient httpClient)
+        {
+            BaseUrl = baseUrl;
+            _httpClient = httpClient;
+            _settings = new System.Lazy<Newtonsoft.Json.JsonSerializerSettings>(CreateSerializerSettings);
+        }
+
+        private Newtonsoft.Json.JsonSerializerSettings CreateSerializerSettings()
+        {
+            var settings = new Newtonsoft.Json.JsonSerializerSettings();
+            UpdateJsonSerializerSettings(settings);
+            return settings;
+        }
+
+        public string BaseUrl
+        {
+            get { return _baseUrl; }
+            set { _baseUrl = value; }
+        }
+
+        protected Newtonsoft.Json.JsonSerializerSettings JsonSerializerSettings { get { return _settings.Value; } }
+
+        partial void UpdateJsonSerializerSettings(Newtonsoft.Json.JsonSerializerSettings settings);
+
+
+        partial void PrepareRequest(System.Net.Http.HttpClient client, System.Net.Http.HttpRequestMessage request, string url);
+        partial void PrepareRequest(System.Net.Http.HttpClient client, System.Net.Http.HttpRequestMessage request, System.Text.StringBuilder urlBuilder);
+        partial void ProcessResponse(System.Net.Http.HttpClient client, System.Net.Http.HttpResponseMessage response);
+        /// <summary>Retrieve or Refresh Access Token</summary>
+        /// <param name="grant_type">Authentication grant type.  Use 'password' when authenticating, and 'refresh_token' when refreshing a token.</param>
+        /// <param name="username">Secret Server authentication username.  Required when authenticating.</param>
+        /// <param name="password">Secret Server authentication password.  Required when authenticating.</param>
+        /// <param name="refresh_token">The refresh token.  Required when refreshing a token.</param>
+        /// <returns>Successful retrieval of an access token</returns>
+        /// <exception cref="ApiException">A server side error occurred.</exception>
+        public System.Threading.Tasks.Task<TokenResponse> AuthorizeAsync(Grant_type grant_type, string username, string password, string refresh_token, string OTP) => AuthorizeAsync(grant_type, username, password, refresh_token, System.Threading.CancellationToken.None, OTP);
+
+        /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
+        /// <summary>Retrieve or Refresh Access Token</summary>
+        /// <param name="grant_type">Authentication grant type.  Use 'password' when authenticating, and 'refresh_token' when refreshing a token.</param>
+        /// <param name="username">Secret Server authentication username.  Required when authenticating.</param>
+        /// <param name="password">Secret Server authentication password.  Required when authenticating.</param>
+        /// <param name="refresh_token">The refresh token.  Required when refreshing a token.</param>
+        /// <returns>Successful retrieval of an access token</returns>
+        /// <exception cref="ApiException">A server side error occurred.</exception>
+        public async System.Threading.Tasks.Task<TokenResponse> AuthorizeAsync(Grant_type grant_type, string username, string password, string refresh_token, System.Threading.CancellationToken cancellationToken, string OTP)
+        {
+            var urlBuilder_ = new System.Text.StringBuilder();
+            urlBuilder_.Append(BaseUrl != null ? BaseUrl.TrimEnd('/') : "").Append("/oauth2/token");
+
+            var client_ = _httpClient;
+            var disposeClient_ = false;
+            try
+            {
+                using (var request_ = new System.Net.Http.HttpRequestMessage())
+                {
+                    var keyValues_ = new System.Collections.Generic.List<System.Collections.Generic.KeyValuePair<string, string>>();
+                    if (grant_type == null)
+                        throw new System.ArgumentNullException("grant_type");
+                    else
+                        keyValues_.Add(new System.Collections.Generic.KeyValuePair<string, string>("grant_type", ConvertToString(grant_type, System.Globalization.CultureInfo.InvariantCulture)));
+                    if (username != null)
+                        keyValues_.Add(new System.Collections.Generic.KeyValuePair<string, string>("username", ConvertToString(username, System.Globalization.CultureInfo.InvariantCulture)));
+                    if (password != null)
+                        keyValues_.Add(new System.Collections.Generic.KeyValuePair<string, string>("password", ConvertToString(password, System.Globalization.CultureInfo.InvariantCulture)));
+                    if (refresh_token != null)
+                        keyValues_.Add(new System.Collections.Generic.KeyValuePair<string, string>("refresh_token", ConvertToString(refresh_token, System.Globalization.CultureInfo.InvariantCulture)));
+                    if (OTP != null)
+                        request_.Headers.Add("OTP", ConvertToString(OTP, System.Globalization.CultureInfo.InvariantCulture));
+
+                    request_.Content = new System.Net.Http.FormUrlEncodedContent(keyValues_);
+                    request_.Method = new System.Net.Http.HttpMethod("POST");
+                    request_.Headers.Accept.Add(System.Net.Http.Headers.MediaTypeWithQualityHeaderValue.Parse("application/json"));
+
+                    PrepareRequest(client_, request_, urlBuilder_);
+
+                    var url_ = urlBuilder_.ToString();
+                    request_.RequestUri = new System.Uri(url_, System.UriKind.RelativeOrAbsolute);
+
+                    PrepareRequest(client_, request_, url_);
+
+                    var response_ = await client_.SendAsync(request_, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+                    var disposeResponse_ = true;
+                    try
+                    {
+                        var headers_ = System.Linq.Enumerable.ToDictionary(response_.Headers, h_ => h_.Key, h_ => h_.Value);
+                        if (response_.Content != null && response_.Content.Headers != null)
+                        {
+                            foreach (var item_ in response_.Content.Headers)
+                                headers_[item_.Key] = item_.Value;
+                        }
+
+                        ProcessResponse(client_, response_);
+
+                        var status_ = (int)response_.StatusCode;
+                        if (status_ == 200)
+                        {
+                            var objectResponse_ = await ReadObjectResponseAsync<TokenResponse>(response_, headers_, cancellationToken).ConfigureAwait(false);
+                            if (objectResponse_.Object == null)
+                            {
+                                throw new ApiException("Response was null which was not expected.", status_, objectResponse_.Text, headers_, null);
+                            }
+
+                            return objectResponse_.Object;
+                        }
+                        else
+                        if (status_ == 400)
+                        {
+                            var objectResponse_ = await ReadObjectResponseAsync<TokenErrorResponse>(response_, headers_, cancellationToken).ConfigureAwait(false);
+                            if (objectResponse_.Object == null)
+                            {
+                                throw new ApiException("Response was null which was not expected.", status_, objectResponse_.Text, headers_, null);
+                            }
+                            throw new ApiException<TokenErrorResponse>("An error occurred", status_, objectResponse_.Text, headers_, objectResponse_.Object, null);
+                        }
+                        else
+                        {
+                            var responseData_ = response_.Content == null ? null : await response_.Content.ReadAsStringAsync().ConfigureAwait(false);
+                            throw new ApiException("The HTTP status code of the response was not expected (" + status_ + ").", status_, responseData_, headers_, null);
+                        }
+                    }
+                    finally
+                    {
+                        if (disposeResponse_)
+                            response_.Dispose();
+                    }
+                }
+            }
+            finally
+            {
+                if (disposeClient_)
+                    client_.Dispose();
+            }
+        }
+
+        protected struct ObjectResponseResult<T>
+        {
+            public ObjectResponseResult(T responseObject, string responseText)
+            {
+                this.Object = responseObject;
+                this.Text = responseText;
+            }
+
+            public T Object { get; }
+
+            public string Text { get; }
+        }
+
+        public bool ReadResponseAsString { get; set; }
+
+        protected virtual async System.Threading.Tasks.Task<ObjectResponseResult<T>> ReadObjectResponseAsync<T>(System.Net.Http.HttpResponseMessage response, System.Collections.Generic.IReadOnlyDictionary<string, System.Collections.Generic.IEnumerable<string>> headers, System.Threading.CancellationToken cancellationToken)
+        {
+            if (response == null || response.Content == null)
+            {
+                return new ObjectResponseResult<T>(default(T), string.Empty);
+            }
+
+            if (ReadResponseAsString)
+            {
+                var responseText = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    var typedBody = Newtonsoft.Json.JsonConvert.DeserializeObject<T>(responseText, JsonSerializerSettings);
+                    return new ObjectResponseResult<T>(typedBody, responseText);
+                }
+                catch (Newtonsoft.Json.JsonException exception)
+                {
+                    var message = "Could not deserialize the response body string as " + typeof(T).FullName + ".";
+                    throw new ApiException(message, (int)response.StatusCode, responseText, headers, exception);
+                }
+            }
+            else
+            {
+                try
+                {
+                    using (var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
+                    using (var streamReader = new System.IO.StreamReader(responseStream))
+                    using (var jsonTextReader = new Newtonsoft.Json.JsonTextReader(streamReader))
+                    {
+                        var serializer = Newtonsoft.Json.JsonSerializer.Create(JsonSerializerSettings);
+                        var typedBody = serializer.Deserialize<T>(jsonTextReader);
+                        return new ObjectResponseResult<T>(typedBody, string.Empty);
+                    }
+                }
+                catch (Newtonsoft.Json.JsonException exception)
+                {
+                    var message = "Could not deserialize the response body stream as " + typeof(T).FullName + ".";
+                    throw new ApiException(message, (int)response.StatusCode, string.Empty, headers, exception);
+                }
+            }
+        }
+
+        private string ConvertToString(object value, System.Globalization.CultureInfo cultureInfo)
+        {
+            if (value == null)
+            {
+                return "";
+            }
+
+            if (value is System.Enum)
+            {
+                var name = System.Enum.GetName(value.GetType(), value);
+                if (name != null)
+                {
+                    var field = System.Reflection.IntrospectionExtensions.GetTypeInfo(value.GetType()).GetDeclaredField(name);
+                    if (field != null)
+                    {
+                        var attribute = System.Reflection.CustomAttributeExtensions.GetCustomAttribute(field, typeof(System.Runtime.Serialization.EnumMemberAttribute))
+                            as System.Runtime.Serialization.EnumMemberAttribute;
+                        if (attribute != null)
+                        {
+                            return attribute.Value != null ? attribute.Value : name;
+                        }
+                    }
+
+                    var converted = System.Convert.ToString(System.Convert.ChangeType(value, System.Enum.GetUnderlyingType(value.GetType()), cultureInfo));
+                    return converted == null ? string.Empty : converted;
+                }
+            }
+            else if (value is bool)
+            {
+                return System.Convert.ToString((bool)value, cultureInfo).ToLowerInvariant();
+            }
+            else if (value is byte[])
+            {
+                return System.Convert.ToBase64String((byte[])value);
+            }
+            else if (value.GetType().IsArray)
+            {
+                var array = System.Linq.Enumerable.OfType<object>((System.Array)value);
+                return string.Join(",", System.Linq.Enumerable.Select(array, o => ConvertToString(o, cultureInfo)));
+            }
+
+            var result = System.Convert.ToString(value, cultureInfo);
+            return result == null ? "" : result;
+        }
+    }
+
+    /// <summary>API access token response</summary>
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "10.5.2.0 (Newtonsoft.Json v11.0.0.0)")]
+    public partial class TokenResponse
+    {
+        /// <summary>Authentication token</summary>
+        [Newtonsoft.Json.JsonProperty("access_token", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
+        public string Access_token { get; set; }
+
+        /// <summary>Authentication token type</summary>
+        [Newtonsoft.Json.JsonProperty("token_type", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+        public TokenResponseToken_type Token_type { get; set; }
+
+      
+        private string _Expires_in;
+        /// <summary>Authentication token expiration time, in seconds</summary>
+        [Newtonsoft.Json.JsonProperty("expires_in", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
+       // public string Expires_in { get; set; }
+
+        public string Expires_in
+        {
+            get { return _Expires_in; }
+            set 
+            {
+                _Expires_in = value;
+                Expires_on = DateTime.UtcNow.AddSeconds(Double.Parse(value) - 60); 
+            }
+        }
+
+        /// <summary>Authentication token expiration time in UTC</summary>              
+        public DateTime Expires_on { get; set; }
+
+        /// <summary>Refresh token.  This is only provided when the server is set to allow refresh tokens for web services and when the session timeout duration is not set to Unlimited.</summary>
+        [Newtonsoft.Json.JsonProperty("refresh_token", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string Refresh_token { get; set; }
+
+
+    }
+
+    /// <summary>API access token error response</summary>
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "10.5.2.0 (Newtonsoft.Json v11.0.0.0)")]
+    public partial class TokenErrorResponse
+    {
+        /// <summary>Authentication token</summary>
+        [Newtonsoft.Json.JsonProperty("message", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
+        public string Message { get; set; }
+
+
+    }
+
+    /// <summary>Authentication grant type.  Use 'password' when authenticating, and 'refresh_token' when refreshing a token.</summary>
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "10.5.2.0 (Newtonsoft.Json v11.0.0.0)")]
+    public enum Grant_type
+    {
+        [System.Runtime.Serialization.EnumMember(Value = @"password")]
+        Password = 0,
+
+        [System.Runtime.Serialization.EnumMember(Value = @"refresh_token")]
+        Refresh_token = 1,
+
+    }
+
+    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "10.5.2.0 (Newtonsoft.Json v11.0.0.0)")]
+    public enum TokenResponseToken_type
+    {
+        [System.Runtime.Serialization.EnumMember(Value = @"bearer")]
+        Bearer = 0,
+
+    }
+
+    [System.CodeDom.Compiler.GeneratedCode("NSwag", "13.14.8.0 (NJsonSchema v10.5.2.0 (Newtonsoft.Json v11.0.0.0))")]
+    public partial class ApiException : System.Exception
+    {
+        public int StatusCode { get; private set; }
+
+        public string Response { get; private set; }
+
+        public System.Collections.Generic.IReadOnlyDictionary<string, System.Collections.Generic.IEnumerable<string>> Headers { get; private set; }
+
+        public ApiException(string message, int statusCode, string response, System.Collections.Generic.IReadOnlyDictionary<string, System.Collections.Generic.IEnumerable<string>> headers, System.Exception innerException)
+            : base(message + "\n\nStatus: " + statusCode + "\nResponse: \n" + ((response == null) ? "(null)" : response.Substring(0, response.Length >= 512 ? 512 : response.Length)), innerException)
+        {
+            StatusCode = statusCode;
+            Response = response;
+            Headers = headers;
+        }
+
+        public override string ToString() => string.Format("HTTP Response: \n\n{0}\n\n{1}", Response, base.ToString());
+    }
+
+    [System.CodeDom.Compiler.GeneratedCode("NSwag", "13.14.8.0 (NJsonSchema v10.5.2.0 (Newtonsoft.Json v11.0.0.0))")]
+    public partial class ApiException<TResult> : ApiException
+    {
+        public TResult Result { get; private set; }
+
+        public ApiException(string message, int statusCode, string response, System.Collections.Generic.IReadOnlyDictionary<string, System.Collections.Generic.IEnumerable<string>> headers, TResult result, System.Exception innerException)
+            : base(message, statusCode, response, headers, innerException)
+        {
+            Result = result;
+        }
+    }
+
+}
+
+#pragma warning restore 1591
+#pragma warning restore 1573
+#pragma warning restore 472
+#pragma warning restore 114
+#pragma warning restore 108
+#pragma warning restore 3016

ExternalConnectors/DSS/SecretServerInterface.cs

@@ -0,0 +1,335 @@
+using Microsoft.Win32;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.OpenSsl;
+using Org.BouncyCastle.Security;
+using SecretServerAuthentication.DSS;
+using SecretServerRestClient.DSS;
+using System.Security.Cryptography;
+
+namespace ExternalConnectors.DSS;
+
+public class SecretServerInterface
+{
+    private static class SSConnectionData
+    {
+        public static string ssUsername = "";
+        public static string ssPassword = "";
+        public static string ssUrl = "";
+        public static string ssOTP = "";
+        public static bool ssSSO = false;
+        public static bool initdone = false;
+
+        //token 
+        public static string ssTokenBearer = "";
+        public static DateTime ssTokenExpiresOn = DateTime.UtcNow;
+        public static string ssTokenRefresh = "";
+
+        public static void Init()
+        {
+            if (initdone == true)
+                return;
+
+                RegistryKey key = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\mRemoteSSInterface");
+                try
+                {
+                    // display gui and ask for data
+                    SSConnectionForm f = new();
+                    string? un = key.GetValue("Username") as string;
+                    f.tbUsername.Text = un ?? "";
+                    f.tbPassword.Text = SSConnectionData.ssPassword;    // in OTP refresh cases, this value might already be filled
+
+                string? url = key.GetValue("URL") as string;
+                if (url == null || !url.Contains("://"))
+                    url = "https://cred.domain.local/SecretServer";
+                f.tbSSURL.Text = url;
+
+                var b = key.GetValue("SSO");
+                if (b == null || (string)b != "True")
+                    ssSSO = false;
+                else
+                    ssSSO = true;
+                f.cbUseSSO.Checked = ssSSO;
+                
+                // show dialog
+                while (true)
+                {
+                    _ = f.ShowDialog();
+
+                    if (f.DialogResult != DialogResult.OK)
+                        return;
+
+                    // store values to memory
+                    ssUsername = f.tbUsername.Text;
+                    ssPassword = f.tbPassword.Text;
+                    ssUrl = f.tbSSURL.Text;
+                    ssSSO = f.cbUseSSO.Checked;
+                    ssOTP = f.tbOTP.Text;
+                    // check connection first
+                    try
+                    {
+                        if (TestCredentials() == true)
+                        {
+                            initdone = true;
+                            break;
+                        }
+                    }
+                    catch (Exception)
+                    {
+                        MessageBox.Show("Test Credentials failed - please check your credentials");
+                    }
+                }
+
+
+                // write values to registry
+                key.SetValue("Username", ssUsername);
+                key.SetValue("URL", ssUrl);
+                key.SetValue("SSO", ssSSO);
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+            finally
+            {
+                key.Close();
+            }
+
+        }
+    }
+
+    private static bool TestCredentials()
+    {
+        if (SSConnectionData.ssSSO)
+        {
+            // checking creds doesn't really make sense here, as we can't modify them anyway if something is wrong
+            return true;
+        }
+        else
+        {
+
+            if (!String.IsNullOrEmpty(GetToken()))
+            {
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+
+    private static SecretsServiceClient ConstructSecretsServiceClient()
+    {
+        string baseURL = SSConnectionData.ssUrl;
+        if (SSConnectionData.ssSSO)
+        {
+            // REQUIRES IIS CONFIG! https://docs.thycotic.com/ss/11.0.0/api-scripting/webservice-iwa-powershell
+            var handler = new HttpClientHandler() { UseDefaultCredentials = true };
+            var httpClient = new HttpClient(handler);
+            {
+                // Call REST API:
+                return new SecretsServiceClient($"{baseURL}/winauthwebservices/api", httpClient);
+            }
+        }
+        else
+        {
+            var httpClient = new HttpClient();
+            {
+
+                var token = GetToken();
+                // Set credentials (token):
+                httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
+
+                // Call REST API:
+                return new SecretsServiceClient($"{baseURL}/api", httpClient);
+            }
+        }
+
+    }
+    private static void FetchSecret(int secretID, out string secretUsername, out string secretPassword, out string secretDomain, out string privatekey)
+    {
+        var client = ConstructSecretsServiceClient();
+        SecretModel secret = client.GetSecretAsync(false, true, secretID, null).Result;
+
+        // clear return variables
+        secretDomain = "";
+        secretUsername = "";
+        secretPassword = "";
+        privatekey = "";
+        string privatekeypassphrase = "";
+
+        // parse data and extract what we need
+        foreach (var item in secret.Items)
+        {
+            if (item.FieldName.ToLower().Equals("domain"))
+                secretDomain = item.ItemValue;
+            else if (item.FieldName.ToLower().Equals("username"))
+                secretUsername = item.ItemValue;
+            else if (item.FieldName.ToLower().Equals("password"))
+                secretPassword = item.ItemValue;
+            else if (item.FieldName.ToLower().Equals("private key"))
+            {
+                client.ReadResponseNoJSONConvert = true;
+                privatekey = client.GetFieldAsync(false, false, secretID, "private-key").Result;
+                client.ReadResponseNoJSONConvert = false;
+            }
+            else if (item.FieldName.ToLower().Equals("private key passphrase"))
+                privatekeypassphrase = item.ItemValue;
+        }
+
+        // need to decode the private key?
+        if (!string.IsNullOrEmpty(privatekeypassphrase))
+        {
+            try
+            {
+                var key = DecodePrivateKey(privatekey, privatekeypassphrase);
+                privatekey = key;
+            }
+            catch(Exception)
+            {
+
+            }
+        }
+
+        // conversion to putty format necessary?
+        if (!string.IsNullOrEmpty(privatekey) && !privatekey.StartsWith("PuTTY-User-Key-File-2"))
+        {
+            try
+            {
+                RSACryptoServiceProvider key = ImportPrivateKey(privatekey);
+                privatekey = PuttyKeyFileGenerator.ToPuttyPrivateKey(key);
+            }
+            catch (Exception)
+            {
+
+            }
+        }
+    }
+
+        #region PUTTY KEY HANDLING
+        // decode rsa private key with encryption password
+        private static string DecodePrivateKey(string encryptedPrivateKey, string password)
+        {
+            TextReader textReader = new StringReader(encryptedPrivateKey);
+            PemReader pemReader = new(textReader, new PasswordFinder(password));
+
+        AsymmetricCipherKeyPair keyPair = (AsymmetricCipherKeyPair)pemReader.ReadObject();
+
+        TextWriter textWriter = new StringWriter();
+        var pemWriter = new PemWriter(textWriter);
+        pemWriter.WriteObject(keyPair.Private);
+        pemWriter.Writer.Flush();
+
+        return ""+textWriter.ToString();
+    }
+    private class PasswordFinder(string password) : IPasswordFinder
+    {
+        private string password = password;
+
+        public char[] GetPassword()
+        {
+            return password.ToCharArray();
+        }
+    }
+
+        // read private key pem string to rsacryptoserviceprovider
+        public static RSACryptoServiceProvider ImportPrivateKey(string pem)
+        {
+            PemReader pr = new(new StringReader(pem));
+            AsymmetricCipherKeyPair KeyPair = (AsymmetricCipherKeyPair)pr.ReadObject();
+            RSAParameters rsaParams = DotNetUtilities.ToRSAParameters((RsaPrivateCrtKeyParameters)KeyPair.Private);
+            RSACryptoServiceProvider rsa = new();
+            rsa.ImportParameters(rsaParams);
+            return rsa;
+        }
+        #endregion
+
+
+    #region TOKEN
+    private static string GetToken()
+    {
+        // if there is no token, fetch a fresh one
+        if (String.IsNullOrEmpty(SSConnectionData.ssTokenBearer))
+        {
+            return GetTokenFresh();
+        }
+        // if there is a token, check if it is valid
+        if (SSConnectionData.ssTokenExpiresOn >= DateTime.UtcNow)
+        {
+            return SSConnectionData.ssTokenBearer;
+        }
+        else
+        {
+            // try using refresh token
+            using (var httpClient = new HttpClient())
+            {
+                var tokenClient = new OAuth2ServiceClient(SSConnectionData.ssUrl, httpClient);
+                TokenResponse token = new();
+                try
+                {
+                    token = tokenClient.AuthorizeAsync(Grant_type.Refresh_token, null, null, SSConnectionData.ssTokenRefresh, null).Result;
+                    var tokenResult = token.Access_token;
+
+                    SSConnectionData.ssTokenBearer = tokenResult;
+                    SSConnectionData.ssTokenRefresh = token.Refresh_token;
+                    SSConnectionData.ssTokenExpiresOn = token.Expires_on;
+                    return tokenResult;
+                }
+                catch (Exception)
+                {
+                    // refresh token failed. clean memory and start fresh
+                    SSConnectionData.ssTokenBearer = "";
+                    SSConnectionData.ssTokenRefresh = "";
+                    SSConnectionData.ssTokenExpiresOn = DateTime.Now;
+                    // if OTP is required we need to ask user for a new OTP
+                    if (!String.IsNullOrEmpty(SSConnectionData.ssOTP))
+                    {
+                        SSConnectionData.initdone = false;
+                        // the call below executes a connection test, which fetches a valid token
+                        SSConnectionData.Init();
+                        // we now have a fresh token in memory. return it to caller
+                        return SSConnectionData.ssTokenBearer;
+                    }
+                    else
+                    {
+                        // no user interaction required. get a fresh token and return it to caller
+                        return GetTokenFresh();
+                    }
+                }
+            }
+        }
+    }
+    static string GetTokenFresh()
+    {
+        using (var httpClient = new HttpClient())
+        {
+            // Authenticate:
+            var tokenClient = new OAuth2ServiceClient(SSConnectionData.ssUrl, httpClient);
+            // call below will throw an exception if the creds are invalid
+            var token = tokenClient.AuthorizeAsync(Grant_type.Password, SSConnectionData.ssUsername, SSConnectionData.ssPassword, null, SSConnectionData.ssOTP).Result;
+            // here we can be sure the creds are ok - return success state                   
+            var tokenResult = token.Access_token;
+
+            SSConnectionData.ssTokenBearer = tokenResult;
+            SSConnectionData.ssTokenRefresh = token.Refresh_token;
+            SSConnectionData.ssTokenExpiresOn = token.Expires_on;
+            return tokenResult;
+        }
+    }
+    #endregion
+
+
+    // input must be the secret id to fetch
+    public static void FetchSecretFromServer(string input, out string username, out string password, out string domain, out string privatekey)
+    {
+        // get secret id
+        int secretID = Int32.Parse(input);
+
+        // init connection credentials, display popup if necessary
+        SSConnectionData.Init();
+
+        // get the secret
+        FetchSecret(secretID, out username, out password, out domain, out privatekey);
+    }
+}

ExternalConnectors/ExternalConnectors.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net9.0-windows10.0.26100.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <OutputType>Library</OutputType>
+    <UseWindowsForms>True</UseWindowsForms>
+    <Platforms>x64;arm64</Platforms>
+    <Configurations>Debug;Release;Debug Portable;Release Portable;Deploy to github</Configurations>
+    <SupportedOSPlatformVersion>10.0.26100.0</SupportedOSPlatformVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release Portable|x64'">
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release Portable|arm64'">
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="AWSSDK.Core" />
+    <PackageReference Include="AWSSDK.EC2" />
+    <PackageReference Include="BouncyCastle.Cryptography" />
+    <PackageReference Include="Newtonsoft.Json" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Update="AWS\AWSConnectionForm.cs" />
+    <Compile Update="CPS\CPSConnectionForm.cs" />
+    <Compile Update="DSS\SSConnectionForm.cs" />
+  </ItemGroup>
+</Project>

ExternalConnectors/PuttyKeyFileGenerator.cs

@@ -0,0 +1,111 @@
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace ExternalConnectors;
+
+public class PuttyKeyFileGenerator
+{
+    private const int prefixSize = 4;
+    private const int paddedPrefixSize = prefixSize + 1;
+    private const int lineLength = 64;
+    private const string keyType = "ssh-rsa";
+    private const string encryptionType = "none";
+
+    public static string ToPuttyPrivateKey(RSACryptoServiceProvider cryptoServiceProvider, string Comment = "imported-openssh-key")
+    {
+        var publicParameters = cryptoServiceProvider.ExportParameters(false);
+        byte[] publicBuffer = new byte[3 + keyType.Length + GetPrefixSize(publicParameters.Exponent) + publicParameters.Exponent!.Length + GetPrefixSize(publicParameters.Modulus) + publicParameters.Modulus!.Length + 1];
+
+        using (var bw = new BinaryWriter(new MemoryStream(publicBuffer)))
+        {
+            bw.Write(new byte[] { 0x00, 0x00, 0x00 });
+            bw.Write(Encoding.ASCII.GetBytes(keyType));
+            PutPrefixed(bw, publicParameters.Exponent, CheckIsNeddPadding(publicParameters.Exponent));
+            PutPrefixed(bw, publicParameters.Modulus, CheckIsNeddPadding(publicParameters.Modulus));
+        }
+        var publicBlob = System.Convert.ToBase64String(publicBuffer);
+
+        var privateParameters = cryptoServiceProvider.ExportParameters(true);
+
+        byte[] privateBuffer = new byte[paddedPrefixSize + privateParameters.D!.Length + paddedPrefixSize + privateParameters.P!.Length + paddedPrefixSize + privateParameters.Q!.Length + paddedPrefixSize + privateParameters.InverseQ!.Length];
+
+        using (var bw = new BinaryWriter(new MemoryStream(privateBuffer)))
+        {
+            PutPrefixed(bw, privateParameters.D, true);
+            PutPrefixed(bw, privateParameters.P, true);
+            PutPrefixed(bw, privateParameters.Q, true);
+            PutPrefixed(bw, privateParameters.InverseQ, true);
+        }
+        var privateBlob = System.Convert.ToBase64String(privateBuffer);
+
+        HMACSHA1 hmacSha1 = new(SHA1.Create().ComputeHash(Encoding.ASCII.GetBytes("putty-private-key-file-mac-key")));
+        byte[] bytesToHash = new byte[prefixSize + keyType.Length + prefixSize + encryptionType.Length + prefixSize + Comment.Length + prefixSize + publicBuffer.Length + prefixSize + privateBuffer.Length];
+
+        using (var bw = new BinaryWriter(new MemoryStream(bytesToHash)))
+        {
+            PutPrefixed(bw, Encoding.ASCII.GetBytes(keyType));
+            PutPrefixed(bw, Encoding.ASCII.GetBytes(encryptionType));
+            PutPrefixed(bw, Encoding.ASCII.GetBytes(Comment));
+            PutPrefixed(bw, publicBuffer);
+            PutPrefixed(bw, privateBuffer);
+        }
+
+        var hash = string.Join("", hmacSha1.ComputeHash(bytesToHash).Select(x => $"{x:x2}"));
+
+        var sb = new StringBuilder();
+        sb.AppendLine("PuTTY-User-Key-File-2: " + keyType);
+        sb.AppendLine("Encryption: " + encryptionType);
+        sb.AppendLine("Comment: " + Comment);
+
+        var publicLines = SpliceText(publicBlob, lineLength);
+        sb.AppendLine("Public-Lines: " + publicLines.Length);
+        foreach (var line in publicLines)
+        {
+            sb.AppendLine(line);
+        }
+
+        var privateLines = SpliceText(privateBlob, lineLength);
+        sb.AppendLine("Private-Lines: " + privateLines.Length);
+        foreach (var line in privateLines)
+        {
+            sb.AppendLine(line);
+        }
+
+        sb.AppendLine("Private-MAC: " + hash);
+
+        return sb.ToString();
+    }
+
+    private static void PutPrefixed(BinaryWriter bw, byte[] bytes, bool addLeadingNull = false)
+    {
+        bw.Write(BitConverter.GetBytes(bytes.Length + (addLeadingNull ? 1 : 0)).Reverse().ToArray());
+        if (addLeadingNull)
+            bw.Write(new byte[] { 0x00 });
+        bw.Write(bytes);
+    }
+
+    private static string[] SpliceText(string text, int lineLength)
+    {
+        return Regex.Matches(text, ".{1," + lineLength + "}").Cast<Match>().Select(m => m.Value).ToArray();
+    }
+
+    private static int GetPrefixSize(byte[]? bytes)
+    {
+        if (bytes is null)
+            return 0;
+
+        return CheckIsNeddPadding(bytes) ? paddedPrefixSize : prefixSize;
+    }
+
+    private static bool CheckIsNeddPadding(byte[] bytes)
+    {
+        if (bytes is null || bytes.Length == 0)
+            return false;
+
+        // 128 == 10000000
+        // This means that the number of bits can be divided by 8.
+        // According to the algorithm in putty, you need to add a padding.
+        return bytes[0] >= 128;
+    }
+}

Installer/GetVersion.nsi

@@ -1,30 +0,0 @@
-!define AppFile "$EXEDIR\..\mRemoteV1\bin\Release\mRemoteNG.exe"
-!define VersionCmdFile "$EXEDIR\Version.cmd"
-!define VersionNshFile "$EXEDIR\Version.nsh"
-
-OutFile "..\Release\GetVersion.exe"
-SilentInstall silent
-RequestExecutionLevel user
-
-Section
-	## Get file version
-	GetDllVersion "${AppFile}" $R0 $R1
-	IntOp $R3 $R0 / 0x00010000
-	IntOp $R4 $R0 & 0x0000FFFF
-	IntOp $R5 $R1 / 0x00010000
-	IntOp $R6 $R1 & 0x0000FFFF
-	StrCpy $R1 "$R3.$R4.$R5.$R6"
-	StrCpy $R2 "$R3.$R4"
-
-	FileOpen $R0 "${VersionCmdFile}" w
-	FileWrite $R0 '@echo off$\r$\n'
-	FileWrite $R0 'SET PRODUCT_VERSION_SHORT=$R2$\r$\n'
-	FileClose $R0
-
-	FileOpen $R0 "${VersionNshFile}" w
-	FileWrite $R0 '!define PRODUCT_VERSION "$R1"$\r$\n'
-	FileWrite $R0 '!define PRODUCT_VERSION_SHORT "$R2"$\r$\n'
-	FileWrite $R0 '!define PRODUCT_VERSION_MAJOR "$R3"$\r$\n'
-	FileWrite $R0 '!define PRODUCT_VERSION_MINOR "$R4"$\r$\n'
-	FileClose $R0
-SectionEnd

Installer/Language/czech.nsi

@@ -1,16 +0,0 @@
-; Czech installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_CZECH} "mRemoteNG run CZECH message"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_CZECH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_CZECH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_CZECH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_CZECH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/dutch.nsi

@@ -1,16 +0,0 @@
-; Dutch installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_DUTCH} "mRemoteNG run DUTCH message"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_DUTCH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_DUTCH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_DUTCH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_DUTCH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/english.nsi

@@ -1,16 +0,0 @@
-; English installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_ENGLISH} "Launch mRemoteNG Now"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_ENGLISH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_ENGLISH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_ENGLISH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_ENGLISH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/french.nsi

@@ -1,16 +0,0 @@
-; French installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_FRENCH} "mRemoteNG run FRENCH message"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_FRENCH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_FRENCH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_FRENCH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_FRENCH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/german.nsi

@@ -1,16 +0,0 @@
-; German installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_GERMAN} "mRemoteNG jetzt Starten"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_GERMAN} "Installationsprogamm Sprache"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_GERMAN} "Bitte w<>hlen Sie die Sprache f<>r das Installationsprogramm"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_GERMAN} "mRemoteNG ben<65>tigt das Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_GERMAN} "Sie m<>ssen Mitglied der Grupper 'Power Users' or 'Administratoren' sein, damit Sie mRemoteNG installieren k<>nnen."

Installer/Language/languages.nsi

@@ -1,31 +0,0 @@
-!define LanguageNameEnglish "English"
-!insertmacro MUI_LANGUAGE "English"
-!include "Language\english.nsi"
-
-!define LanguageNameCzech "Čeština"
-!insertmacro MUI_LANGUAGE "Czech"
-!include "Language\czech.nsi"
-
-!define LanguageNameGerman "Deutsch"
-!insertmacro MUI_LANGUAGE "German"
-!include "Language\german.nsi"
-
-!define LanguageNameSpanish "Español"
-!insertmacro MUI_LANGUAGE "Spanish"
-!include "Language\spanish.nsi"
-
-!define LanguageNameFrench "Français"
-!insertmacro MUI_LANGUAGE "French"
-!include "Language\french.nsi"
-
-!define LanguageNameDutch "Nederlands"
-!insertmacro MUI_LANGUAGE "Dutch"
-!include "Language\dutch.nsi"
-
-!define LanguageNamePolish "Polski"
-!insertmacro MUI_LANGUAGE "Polish"
-!include "Language\polish.nsi"
-
-!define LanguageNameThai "ภาษาไทย"
-!insertmacro MUI_LANGUAGE "Thai"
-!include "Language\thai.nsi"

Installer/Language/polish.nsi

@@ -1,16 +0,0 @@
-; Polish installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_POLISH} "mRemoteNG run POLISH message"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_POLISH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_POLISH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_POLISH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_POLISH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/spanish.nsi

@@ -1,16 +0,0 @@
-; Spanish installer translation
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_SPANISH} "mRemoteNG run SPANISH message"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_SPANISH} "Installer Language"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_SPANISH} "Please select the language of the installer"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_SPANISH} "mRemoteNG requires Microsoft .NET Framework 2.0."
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_SPANISH} "You must be a member of the 'Power Users' or 'Administrators' group to install mRemoteNG."

Installer/Language/thai.nsi

@@ -1,17 +0,0 @@
-; Thai installer translation
-; Contributed by Apisitt Rattana
-
-; Start mRemoteNG after installation
-LangString LaunchMremoteNow ${LANG_THAI} "ขณะนี้กำลังติดตั้ง mRemoteNG"
-
-; Installer Language
-LangString InstallerLanguage ${LANG_THAI} "ภาษาสำหรับการติดตั้ง"
-
-; Select installer Language
-LangString SelectInstallerLanguage ${LANG_THAI} "กรุณาเลือกภาษาสำหรับการติดตั้ง"
-
-; Requires .NET Framework
-LangString RequiresNetFramework ${LANG_THAI} "mRemoteNG มีความต้องการ  Microsoft .NET Framework 2.0. เป็นพื้นฐาน"
-
-; User needs to be Admin
-LangString RequiresAdminUser ${LANG_THAI} "คุณต้องเป็นสมาชิกในกลุ่มของ 'Power Users' หรือ 'Administrators' เพื่อการติดตั้ง mRemoteNG"

Installer/mRemote.nsi

@@ -1,225 +0,0 @@
-!include "MUI.nsh"
-!include "WordFunc.nsh"
-!insertmacro VersionCompare
-
-!include "..\Release\Version.nsh"
-
-; This will be passed in using the /D switch by BUILD.CMD
-!ifdef PRODUCT_VERSION_TAG
-	!define PRODUCT_VERSION_FRIENDLY "${PRODUCT_VERSION_SHORT}"
-	!define PRODUCT_VERSION_TAGGED "${PRODUCT_VERSION_SHORT}-${PRODUCT_VERSION_TAG}"
-!else
-	!define PRODUCT_VERSION_FRIENDLY "${PRODUCT_VERSION_SHORT}"
-	!define PRODUCT_VERSION_TAGGED "${PRODUCT_VERSION_SHORT}"
-!endif
-
-; Global Variables
-Var InstallDotNET
-
-; Basic Config
-Name "mRemoteNG ${PRODUCT_VERSION_FRIENDLY}"
-OutFile "..\Release\mRemoteNG-Installer-${PRODUCT_VERSION_TAGGED}.exe"
-SetCompressor /SOLID lzma
-InstallDir "$PROGRAMFILES\mRemoteNG"
-InstallDirRegKey HKLM "Software\mRemoteNG" "InstallPath"
-RequestExecutionLevel admin
-
-; Version Information
-VIProductVersion ${PRODUCT_VERSION}
-VIAddVersionKey "ProductName" "mRemoteNG"
-VIAddVersionKey "ProductVersion" ${PRODUCT_VERSION}
-VIAddVersionKey "LegalCopyright" "Copyright © 2007-2009 Felix Deimel, 2010-2011 Riley McArdle"
-VIAddVersionKey "FileDescription" "mRemoteNG ${PRODUCT_VERSION_FRIENDLY} Installer"
-VIAddVersionKey "FileVersion" ${PRODUCT_VERSION}
-
-; Design
-!define MUI_ICON "Setup_Install.ico"
-!define MUI_UNICON "RecycleBin.ico"
-!define MUI_HEADERIMAGE
-!define MUI_HEADERIMAGE_BITMAP "header.bmp" ; optional
-!define MUI_HEADERIMAGE_BITMAP_NOSTRETCH
-!define MUI_HEADERIMAGE_UNBITMAP "header.bmp" ; optional
-!define MUI_HEADERIMAGE_UNBITMAP_NOSTRETCH
-!define MUI_HEADER_TRANSPARENT_TEXT
-!define MUI_WELCOMEFINISHPAGE_BITMAP "welcomefinish.bmp"
-!define MUI_WELCOMEFINISHPAGE_BITMAP_NOSTRETCH
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP "welcomefinish.bmp"
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP_NOSTRETCH
-
-; Install Pages
-!insertmacro MUI_PAGE_LICENSE "..\COPYING.TXT"
-!insertmacro MUI_PAGE_DIRECTORY
-!insertmacro MUI_PAGE_INSTFILES
-!define MUI_FINISHPAGE_NOAUTOCLOSE
-
-; Finish Page
-!define MUI_FINISHPAGE_RUN_NOTCHECKED
-!define MUI_FINISHPAGE_RUN "$INSTDIR\mRemoteNG.exe"
-!insertmacro MUI_PAGE_FINISH
-
-; Uninstall Pages
-!insertmacro MUI_UNPAGE_CONFIRM
-!insertmacro MUI_UNPAGE_INSTFILES
-
-; Get Languages
-!include "Language\languages.nsi"
-
-; Set finish page text
-!define MUI_FINISHPAGE_RUN_Text "$(LaunchMremoteNow)"
-
-Function .onInit
-	ClearErrors
-	UserInfo::GetName
-	IfErrors Win9x
-	Pop $0
-	UserInfo::GetAccountType
-	Pop $1
-	# GetOriginalAccountType will check the tokens of the original user of the
-	# current thread/process. If the user tokens were elevated or limited for
-	# this process, GetOriginalAccountType will return the non-restricted
-	# account type.
-	# On Vista with UAC, for example, this is not the same value when running
-	# with `RequestExecutionLevel user`. GetOriginalAccountType will return
-	# "admin" while GetAccountType will return "user".
-	StrCmp $1 "Admin" 0 +3
-		Goto doit
-	StrCmp $1 "Power" 0 +3
-		Goto doit
-	StrCmp $1 "User" 0 +3
-		Goto noop
-	StrCmp $1 "Guest" 0 +3
-		Goto noop
-	MessageBox MB_OK "Unknown error"
-	Goto doit
-
-	Win9x:
-	doit:
-		# We can install
-		Call SelectLanguage
-		Goto end
-	noop:
-		MessageBox MB_OK "$(RequiresAdminUser)"
-		Quit
-	end:
-FunctionEnd
-
-Function SelectLanguage
-	;Language selection dialog
-	Push ""
-	Push ${LANG_ENGLISH}
-	Push ${LanguageNameEnglish}
-	Push ${LANG_GERMAN}
-	Push ${LanguageNameGerman}
-	Push ${LANG_DUTCH}
-	Push ${LanguageNameDutch}
-	Push ${LANG_FRENCH}
-	Push ${LanguageNameFrench}
-	Push ${LANG_POLISH}
-	Push ${LanguageNamePolish}
-	Push ${LANG_SPANISH}
-	Push ${LanguageNameSpanish}
-	Push ${LANG_CZECH}
-	Push ${LanguageNameCzech}
-	Push ${LANG_THAI}
-	Push ${LanguageNameThai}
-	Push A ; A means auto count languages
-	       ; for the auto count to work the first empty push (Push "") must remain
-	LangDLL::LangDialog  "$(InstallerLanguage)" "$(SelectInstallerLanguage)"
-
-	Pop $LANGUAGE
-	StrCmp $LANGUAGE "cancel" 0 +2
-		Abort
-
-	; Check .NET version
-	StrCpy $InstallDotNET "No"
-	Call GetDotNETVersion
-	Pop $0
-
-	${If} $0 == "not found"
-		StrCpy $InstallDotNET "Yes"
-	${EndIf}
-
-	StrCpy $0 $0 "" 1 # skip "v"
-
-	${VersionCompare} $0 "2.0" $1
-	${If} $1 == 2
-		StrCpy $InstallDotNET "Yes"
-	${EndIf}
-
-	${If} $InstallDotNET == "Yes"
-		MessageBox MB_OK|MB_ICONEXCLAMATION "$(RequiresNetFramework)"
-		Quit
-	${EndIf}
-FunctionEnd
-
-Section "" ; Install
-	SetOutPath $INSTDIR
-	SetShellVarContext all
-	
-	; AddFiles
-	File /r /x "mRemoteNG.vshost.*" "..\mRemoteV1\bin\Release\*.*"
-	File /r "Dependencies\*.*"
-	File "..\*.txt"
-
-	; Uninstaller
-	WriteUninstaller "$INSTDIR\Uninstall.exe"
-
-	; Register ActiveX components
-	RegDLL "$INSTDIR\eolwtscom.dll"
- 
-	; Start Menu
-	CreateDirectory "$SMPROGRAMS\mRemoteNG"
-	CreateShortCut "$SMPROGRAMS\mRemoteNG\mRemoteNG.lnk" "$INSTDIR\mRemoteNG.exe"
-	CreateShortCut "$SMPROGRAMS\mRemoteNG\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
-
-	; Registry
-	WriteRegStr HKLM "Software\mRemoteNG" "InstallPath" $INSTDIR
-	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "DisplayName" "mRemoteNG"
-	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "Publisher" "mRemoteNG"
-	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "DisplayIcon" "$INSTDIR\mRemoteNG.exe"
-	WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "EstimatedSize" 6464
-
-	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "DisplayVersion" ${PRODUCT_VERSION}
-	WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "VersionMajor" ${PRODUCT_VERSION_MAJOR}
-	WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "VersionMinor" ${PRODUCT_VERSION_MINOR}
-
-	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "UninstallString" '"$INSTDIR\Uninstall.exe"'
-	WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "NoModify" 1
-	WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG" "NoRepair" 1
-SectionEnd
-
-Section "un.Uninstall"
-	; Unregister ActiveX components
-	UnregDLL "$INSTDIR\eolwtscom.dll"
-
-	; Delete Files
-	RMDIR /r $INSTDIR
-
-	; Start Menu
-	SetShellVarContext all
-	Delete "$SMPROGRAMS\mRemoteNG\mRemoteNG.lnk"
-	Delete "$SMPROGRAMS\mRemoteNG\Uninstall.lnk"
-	RMDir "$SMPROGRAMS\mRemoteNG"
-	SetShellVarContext current
-	Delete "$SMPROGRAMS\mRemoteNG\mRemoteNG.lnk"
-	Delete "$SMPROGRAMS\mRemoteNG\Uninstall.lnk"
-	RMDir "$SMPROGRAMS\mRemoteNG"
-
-	; Registry
-	DeleteRegValue HKLM "Software\mRemoteNG" "InstallPath"
-	DeleteRegKey /ifempty HKLM "Software\mRemoteNG"
-	DeleteRegKey /ifempty HKCU "Software\mRemoteNG"
-	DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\mRemoteNG"
-SectionEnd
-
-Function GetDotNETVersion
-	Push $0
-	Push $1
-
-	System::Call "mscoree::GetCORVersion(w .r0, i ${NSIS_MAX_STRLEN}, *i) i .r1"
-	StrCmp $1 "error" 0 +2
-	StrCpy $0 "not found"
-
-	Pop $1
-	Exch $0
-FunctionEnd

ObjectListView/AssemblyInfo.Version.cs

@@ -0,0 +1,15 @@
+using System.Reflection;
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Revision and Build Numbers
+// by using the '*' as shown below:
+[assembly: AssemblyVersion("2.9.3.*")]
+[assembly: AssemblyFileVersion("2.9.3")]
+[assembly: AssemblyInformationalVersion("2.9.3")]
+[assembly: System.CLSCompliant(true)]

ObjectListView/CellEditing/CellEditKeyEngine.cs

@@ -0,0 +1,520 @@
+/*
+ * CellEditKeyEngine - A engine that allows the behaviour of arbitrary keys to be configured
+ *
+ * Author: Phillip Piper
+ * Date: 3-March-2011 10:53 pm
+ *
+ * Change log:
+ * v2.8
+ * 2014-05-30  JPP  - When a row is disabled, skip over it when looking for another cell to edit
+ * v2.5
+ * 2012-04-14  JPP  - Fixed bug where, on a OLV with only a single editable column, tabbing
+ *                    to change rows would edit the cell above rather than the cell below
+ *                    the cell being edited.
+ * 2.5
+ * 2011-03-03  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using BrightIdeasSoftware;
+
+namespace BrightIdeasSoftware {
+    /// <summary>
+    /// Indicates the behavior of a key when a cell "on the edge" is being edited.
+    /// and the normal behavior of that key would exceed the edge. For example,
+    /// for a key that normally moves one column to the left, the "edge" would be 
+    /// the left most column, since the normal action of the key cannot be taken
+    /// (since there are no more columns to the left).
+    /// </summary>
+    public enum CellEditAtEdgeBehaviour {
+        /// <summary>
+        /// The key press will be ignored
+        /// </summary>
+        Ignore,
+
+        /// <summary>
+        /// The key press will result in the cell editing wrapping to the 
+        /// cell on the opposite edge.
+        /// </summary>
+        Wrap,
+
+        /// <summary>
+        /// The key press will wrap, but the column will be changed to the 
+        /// appropiate adjacent column. This only makes sense for keys where
+        /// the normal action is ChangeRow.
+        /// </summary>
+        ChangeColumn,
+
+        /// <summary>
+        /// The key press will wrap, but the row will be changed to the 
+        /// appropiate adjacent row. This only makes sense for keys where
+        /// the normal action is ChangeColumn.
+        /// </summary>        
+        ChangeRow,
+
+        /// <summary>
+        /// The key will result in the current edit operation being ended.
+        /// </summary>
+        EndEdit
+    };
+
+    /// <summary>
+    /// Indicates the normal behaviour of a key when used during a cell edit
+    /// operation.
+    /// </summary>
+    public enum CellEditCharacterBehaviour {
+        /// <summary>
+        /// The key press will be ignored
+        /// </summary>
+        Ignore,
+
+        /// <summary>
+        /// The key press will end the current edit and begin an edit
+        /// operation on the next editable cell to the left.
+        /// </summary>
+        ChangeColumnLeft,
+
+        /// <summary>
+        /// The key press will end the current edit and begin an edit
+        /// operation on the next editable cell to the right.
+        /// </summary>
+        ChangeColumnRight,
+
+        /// <summary>
+        /// The key press will end the current edit and begin an edit
+        /// operation on the row above.
+        /// </summary>
+        ChangeRowUp,
+
+        /// <summary>
+        /// The key press will end the current edit and begin an edit
+        /// operation on the row below
+        /// </summary>
+        ChangeRowDown,
+
+        /// <summary>
+        /// The key press will cancel the current edit
+        /// </summary>
+        CancelEdit,
+
+        /// <summary>
+        /// The key press will finish the current edit operation
+        /// </summary>
+        EndEdit,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb1,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb2,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb3,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb4,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb5,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb6,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb7,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb8,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb9,
+
+        /// <summary>
+        /// Custom verb that can be used for specialized actions.
+        /// </summary>
+        CustomVerb10,
+    };
+
+    /// <summary>
+    /// Instances of this class handle key presses during a cell edit operation.
+    /// </summary>
+    public class CellEditKeyEngine {
+
+        #region Public interface
+
+        /// <summary>
+        /// Sets the behaviour of a given key
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="normalBehaviour"></param>
+        /// <param name="atEdgeBehaviour"></param>
+        public virtual void SetKeyBehaviour(Keys key, CellEditCharacterBehaviour normalBehaviour, CellEditAtEdgeBehaviour atEdgeBehaviour) {
+            this.CellEditKeyMap[key] = normalBehaviour;
+            this.CellEditKeyAtEdgeBehaviourMap[key] = atEdgeBehaviour;
+        }
+
+        /// <summary>
+        /// Handle a key press
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="keyData"></param>
+        /// <returns>True if the key was completely handled.</returns>
+        public virtual bool HandleKey(ObjectListView olv, Keys keyData) {
+            if (olv == null) throw new ArgumentNullException("olv");
+
+            CellEditCharacterBehaviour behaviour;
+            if (!CellEditKeyMap.TryGetValue(keyData, out behaviour))
+                return false;
+
+            this.ListView = olv;
+
+            switch (behaviour) {
+            case CellEditCharacterBehaviour.Ignore:
+                break;
+            case CellEditCharacterBehaviour.CancelEdit:
+                this.HandleCancelEdit();
+                break;
+            case CellEditCharacterBehaviour.EndEdit:
+                this.HandleEndEdit();
+                break;
+            case CellEditCharacterBehaviour.ChangeColumnLeft:
+            case CellEditCharacterBehaviour.ChangeColumnRight:
+                this.HandleColumnChange(keyData, behaviour);
+                break;
+            case CellEditCharacterBehaviour.ChangeRowDown:
+            case CellEditCharacterBehaviour.ChangeRowUp:
+                this.HandleRowChange(keyData, behaviour);
+                break;
+            default:
+                return this.HandleCustomVerb(keyData, behaviour);
+            };
+
+            return true;
+        }
+        
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets or sets the ObjectListView on which the current key is being handled.
+        /// This cannot be null.
+        /// </summary>
+        protected ObjectListView ListView {
+            get { return listView; }
+            set { listView = value; }
+        }
+        private ObjectListView listView;
+
+        /// <summary>
+        /// Gets the row of the cell that is currently being edited
+        /// </summary>
+        protected OLVListItem ItemBeingEdited {
+            get {
+                return (this.ListView == null || this.ListView.CellEditEventArgs == null) ? null : this.ListView.CellEditEventArgs.ListViewItem;
+            }
+        }
+
+        /// <summary>
+        /// Gets the index of the column of the cell that is being edited
+        /// </summary>
+        protected int SubItemIndexBeingEdited {
+            get {
+                return (this.ListView == null || this.ListView.CellEditEventArgs == null) ? -1 : this.ListView.CellEditEventArgs.SubItemIndex;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the map that remembers the normal behaviour of keys
+        /// </summary>
+        protected IDictionary<Keys, CellEditCharacterBehaviour> CellEditKeyMap {
+            get {
+                if (cellEditKeyMap == null)
+                    this.InitializeCellEditKeyMaps();
+                return cellEditKeyMap;
+            }
+            set {
+                cellEditKeyMap = value;
+            }
+        }
+        private IDictionary<Keys, CellEditCharacterBehaviour> cellEditKeyMap;
+
+        /// <summary>
+        /// Gets or sets the map that remembers the desired behaviour of keys 
+        /// on edge cases.
+        /// </summary>
+        protected IDictionary<Keys, CellEditAtEdgeBehaviour> CellEditKeyAtEdgeBehaviourMap {
+            get {
+                if (cellEditKeyAtEdgeBehaviourMap == null)
+                    this.InitializeCellEditKeyMaps();
+                return cellEditKeyAtEdgeBehaviourMap;
+            }
+            set {
+                cellEditKeyAtEdgeBehaviourMap = value;
+            }
+        }
+        private IDictionary<Keys, CellEditAtEdgeBehaviour> cellEditKeyAtEdgeBehaviourMap;
+
+        #endregion
+
+        #region Initialization
+
+        /// <summary>
+        /// Setup the default key mapping
+        /// </summary>
+        protected virtual void InitializeCellEditKeyMaps() {
+            this.cellEditKeyMap = new Dictionary<Keys, CellEditCharacterBehaviour>();
+            this.cellEditKeyMap[Keys.Escape] = CellEditCharacterBehaviour.CancelEdit;
+            this.cellEditKeyMap[Keys.Return] = CellEditCharacterBehaviour.EndEdit;
+            this.cellEditKeyMap[Keys.Enter] = CellEditCharacterBehaviour.EndEdit;
+            this.cellEditKeyMap[Keys.Tab] = CellEditCharacterBehaviour.ChangeColumnRight;
+            this.cellEditKeyMap[Keys.Tab | Keys.Shift] = CellEditCharacterBehaviour.ChangeColumnLeft;
+            this.cellEditKeyMap[Keys.Left | Keys.Alt] = CellEditCharacterBehaviour.ChangeColumnLeft;
+            this.cellEditKeyMap[Keys.Right | Keys.Alt] = CellEditCharacterBehaviour.ChangeColumnRight;
+            this.cellEditKeyMap[Keys.Up | Keys.Alt] = CellEditCharacterBehaviour.ChangeRowUp;
+            this.cellEditKeyMap[Keys.Down | Keys.Alt] = CellEditCharacterBehaviour.ChangeRowDown;
+
+            this.cellEditKeyAtEdgeBehaviourMap = new Dictionary<Keys, CellEditAtEdgeBehaviour>();
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Tab] = CellEditAtEdgeBehaviour.Wrap;
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Tab | Keys.Shift] = CellEditAtEdgeBehaviour.Wrap;
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Left | Keys.Alt] = CellEditAtEdgeBehaviour.Wrap;
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Right | Keys.Alt] = CellEditAtEdgeBehaviour.Wrap;
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Up | Keys.Alt] = CellEditAtEdgeBehaviour.ChangeColumn;
+            this.cellEditKeyAtEdgeBehaviourMap[Keys.Down | Keys.Alt] = CellEditAtEdgeBehaviour.ChangeColumn;
+        }
+
+        #endregion
+
+        #region Command handling
+
+        /// <summary>
+        /// Handle the end edit command
+        /// </summary>
+        protected virtual void HandleEndEdit() {
+            this.ListView.PossibleFinishCellEditing();
+        }
+
+        /// <summary>
+        /// Handle the cancel edit command
+        /// </summary>
+        protected virtual void HandleCancelEdit() {
+            this.ListView.CancelCellEdit();
+        }
+
+        /// <summary>
+        /// Placeholder that subclasses can override to handle any custom verbs
+        /// </summary>
+        /// <param name="keyData"></param>
+        /// <param name="behaviour"></param>
+        /// <returns></returns>
+        protected virtual bool HandleCustomVerb(Keys keyData, CellEditCharacterBehaviour behaviour) {
+            return false;
+        }
+
+        /// <summary>
+        /// Handle a change row command
+        /// </summary>
+        /// <param name="keyData"></param>
+        /// <param name="behaviour"></param>
+        protected virtual void HandleRowChange(Keys keyData, CellEditCharacterBehaviour behaviour) {
+            // If we couldn't finish editing the current cell, don't try to move it
+            if (!this.ListView.PossibleFinishCellEditing())
+                return;
+
+            OLVListItem olvi = this.ItemBeingEdited;
+            int subItemIndex = this.SubItemIndexBeingEdited;
+            bool isGoingUp = behaviour == CellEditCharacterBehaviour.ChangeRowUp;
+
+            // Try to find a row above (or below) the currently edited cell
+            // If we find one, start editing it and we're done.
+            OLVListItem adjacentOlvi = this.GetAdjacentItemOrNull(olvi, isGoingUp);
+            if (adjacentOlvi != null) {
+                this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
+                return;
+            }
+
+            // There is no adjacent row in the direction we want, so we must be on an edge.
+            CellEditAtEdgeBehaviour atEdgeBehaviour;
+            if (!this.CellEditKeyAtEdgeBehaviourMap.TryGetValue(keyData, out atEdgeBehaviour))
+                atEdgeBehaviour = CellEditAtEdgeBehaviour.Wrap;
+            switch (atEdgeBehaviour) {
+            case CellEditAtEdgeBehaviour.Ignore:
+                break;
+            case CellEditAtEdgeBehaviour.EndEdit:
+                this.ListView.PossibleFinishCellEditing();
+                break;
+            case CellEditAtEdgeBehaviour.Wrap:
+                adjacentOlvi = this.GetAdjacentItemOrNull(null, isGoingUp);
+                this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
+                break;
+            case CellEditAtEdgeBehaviour.ChangeColumn:
+                // Figure out the next editable column
+                List<OLVColumn> editableColumnsInDisplayOrder = this.EditableColumnsInDisplayOrder;
+                int displayIndex = Math.Max(0, editableColumnsInDisplayOrder.IndexOf(this.ListView.GetColumn(subItemIndex)));
+                if (isGoingUp)
+                    displayIndex = (editableColumnsInDisplayOrder.Count + displayIndex - 1) % editableColumnsInDisplayOrder.Count;
+                else
+                    displayIndex = (displayIndex + 1) % editableColumnsInDisplayOrder.Count;
+                subItemIndex = editableColumnsInDisplayOrder[displayIndex].Index;
+
+                // Wrap to the next row and start the cell edit
+                adjacentOlvi = this.GetAdjacentItemOrNull(null, isGoingUp);
+                this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
+                break;
+            }
+        }
+
+        /// <summary>
+        /// Handle a change column command
+        /// </summary>
+        /// <param name="keyData"></param>
+        /// <param name="behaviour"></param>
+        protected virtual void HandleColumnChange(Keys keyData, CellEditCharacterBehaviour behaviour)
+        {
+            // If we couldn't finish editing the current cell, don't try to move it
+            if (!this.ListView.PossibleFinishCellEditing())
+                return;
+
+            // Changing columns only works in details mode
+            if (this.ListView.View != View.Details)
+                return;
+
+            List<OLVColumn> editableColumns = this.EditableColumnsInDisplayOrder;
+            OLVListItem olvi = this.ItemBeingEdited;
+            int displayIndex = Math.Max(0,
+                editableColumns.IndexOf(this.ListView.GetColumn(this.SubItemIndexBeingEdited)));
+            bool isGoingLeft = behaviour == CellEditCharacterBehaviour.ChangeColumnLeft;
+
+            // Are we trying to continue past one of the edges?
+            if ((isGoingLeft && displayIndex == 0) ||
+                (!isGoingLeft && displayIndex == editableColumns.Count - 1))
+            {
+                // Yes, so figure out our at edge behaviour
+                CellEditAtEdgeBehaviour atEdgeBehaviour;
+                if (!this.CellEditKeyAtEdgeBehaviourMap.TryGetValue(keyData, out atEdgeBehaviour))
+                    atEdgeBehaviour = CellEditAtEdgeBehaviour.Wrap;
+                switch (atEdgeBehaviour)
+                {
+                    case CellEditAtEdgeBehaviour.Ignore:
+                        return;
+                    case CellEditAtEdgeBehaviour.EndEdit:
+                        this.HandleEndEdit();
+                        return;
+                    case CellEditAtEdgeBehaviour.ChangeRow:
+                    case CellEditAtEdgeBehaviour.Wrap:
+                        if (atEdgeBehaviour == CellEditAtEdgeBehaviour.ChangeRow)
+                            olvi = GetAdjacentItem(olvi, isGoingLeft && displayIndex == 0);
+                        if (isGoingLeft)
+                            displayIndex = editableColumns.Count - 1;
+                        else
+                            displayIndex = 0;
+                        break;
+                }
+            }
+            else
+            {
+                if (isGoingLeft)
+                    displayIndex -= 1;
+                else
+                    displayIndex += 1;
+            }
+
+            int subItemIndex = editableColumns[displayIndex].Index;
+            this.StartCellEditIfDifferent(olvi, subItemIndex);
+        }
+
+        #endregion
+
+        #region Utilities
+
+        /// <summary>
+        /// Start editing the indicated cell if that cell is not already being edited
+        /// </summary>
+        /// <param name="olvi">The row to edit</param>
+        /// <param name="subItemIndex">The cell within that row to edit</param>
+        protected void StartCellEditIfDifferent(OLVListItem olvi, int subItemIndex) {
+            if (this.ItemBeingEdited == olvi && this.SubItemIndexBeingEdited == subItemIndex)
+                return;
+
+            this.ListView.EnsureVisible(olvi.Index);
+            this.ListView.StartCellEdit(olvi, subItemIndex);
+        }
+
+        /// <summary>
+        /// Gets the adjacent item to the given item in the given direction.
+        /// If that item is disabled, continue in that direction until an enabled item is found.
+        /// </summary>
+        /// <param name="olvi">The row whose neighbour is sought</param>
+        /// <param name="up">The direction of the adjacentness</param>
+        /// <returns>An OLVListView adjacent to the given item, or null if there are no more enabled items in that direction.</returns>
+        protected OLVListItem GetAdjacentItemOrNull(OLVListItem olvi, bool up) {
+            OLVListItem item = up ? this.ListView.GetPreviousItem(olvi) : this.ListView.GetNextItem(olvi);
+            while (item != null && !item.Enabled)
+                item = up ? this.ListView.GetPreviousItem(item) : this.ListView.GetNextItem(item);
+            return item;
+        }
+
+        /// <summary>
+        /// Gets the adjacent item to the given item in the given direction, wrapping if needed.
+        /// </summary>
+        /// <param name="olvi">The row whose neighbour is sought</param>
+        /// <param name="up">The direction of the adjacentness</param>
+        /// <returns>An OLVListView adjacent to the given item, or null if there are no more items in that direction.</returns>
+        protected OLVListItem GetAdjacentItem(OLVListItem olvi, bool up) {
+            return this.GetAdjacentItemOrNull(olvi, up) ?? this.GetAdjacentItemOrNull(null, up);
+        }
+
+        /// <summary>
+        /// Gets a collection of columns that are editable in the order they are shown to the user
+        /// </summary>
+        protected List<OLVColumn> EditableColumnsInDisplayOrder {
+            get {
+                List<OLVColumn> editableColumnsInDisplayOrder = new List<OLVColumn>();
+                foreach (OLVColumn x in this.ListView.ColumnsInDisplayOrder)
+                    if (x.IsEditable)
+                        editableColumnsInDisplayOrder.Add(x);
+                return editableColumnsInDisplayOrder;
+            }
+        }
+
+        #endregion
+    }
+}

ObjectListView/CellEditing/CellEditors.cs

@@ -0,0 +1,284 @@
+/*
+ * CellEditors - Several slightly modified controls that are used as celleditors within ObjectListView.
+ *
+ * Author: Phillip Piper
+ * Date: 20/10/2008 5:15 PM
+ *
+ * Change log:
+ * v2.6
+ * 2012-08-02   JPP  - Make most editors public so they can be reused/subclassed
+ * v2.3
+ * 2009-08-13   JPP  - Standardized code formatting
+ * v2.2.1
+ * 2008-01-18   JPP  - Added special handling for enums
+ * 2008-01-16   JPP  - Added EditorRegistry
+ * v2.0.1
+ * 2008-10-20   JPP  - Separated from ObjectListView.cs
+ * 
+ * Copyright (C) 2006-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Reflection;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// These items allow combo boxes to remember a value and its description.
+    /// </summary>
+    /// <remarks>
+    /// 
+    /// </remarks>
+    /// <param name="key"></param>
+    /// <param name="description"></param>
+    public class ComboBoxItem(Object key, String description)
+    {
+        private readonly String description = description;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public Object Key {
+            get { return key; }
+        }
+        private readonly Object key = key;
+
+        /// <summary>
+        /// Returns a string that represents the current object.
+        /// </summary>
+        /// <returns>
+        /// A string that represents the current object.
+        /// </returns>
+        /// <filterpriority>2</filterpriority>
+        public override string ToString() {
+            return this.description;
+        }
+    } 
+
+    //-----------------------------------------------------------------------
+    // Cell editors
+    // These classes are simple cell editors that make it easier to get and set
+    // the value that the control is showing.
+    // In many cases, you can intercept the CellEditStarting event to 
+    // change the characteristics of the editor. For example, changing
+    // the acceptable range for a numeric editor or changing the strings
+    // that respresent true and false values for a boolean editor.
+
+    /// <summary>
+    /// This editor shows and auto completes values from the given listview column.
+    /// </summary>
+    [ToolboxItem(false)]
+    public class AutoCompleteCellEditor : ComboBox
+    {
+        /// <summary>
+        /// Create an AutoCompleteCellEditor
+        /// </summary>
+        /// <param name="lv"></param>
+        /// <param name="column"></param>
+        public AutoCompleteCellEditor(ObjectListView lv, OLVColumn column) {
+            this.DropDownStyle = ComboBoxStyle.DropDown;
+
+            Dictionary<String, bool> alreadySeen = new Dictionary<string, bool>();
+            for (int i = 0; i < Math.Min(lv.GetItemCount(), 1000); i++) {
+                String str = column.GetStringValue(lv.GetModelObject(i));
+                if (!alreadySeen.ContainsKey(str)) {
+                    this.Items.Add(str);
+                    alreadySeen[str] = true;
+                }
+            }
+
+            this.Sorted = true;
+            this.AutoCompleteSource = AutoCompleteSource.ListItems;
+            this.AutoCompleteMode = AutoCompleteMode.Append;
+        }
+    }
+
+    /// <summary>
+    /// This combo box is specialised to allow editing of an enum.
+    /// </summary>
+    [ToolboxItem(false)]
+    public class EnumCellEditor : ComboBox
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="type"></param>
+        public EnumCellEditor(Type type) {
+            this.DropDownStyle = ComboBoxStyle.DropDownList;
+            this.ValueMember = "Key";
+
+            ArrayList values = new ArrayList();
+            foreach (object value in Enum.GetValues(type))
+                values.Add(new ComboBoxItem(value, Enum.GetName(type, value)));
+
+            this.DataSource = values;
+        }
+    }
+
+    /// <summary>
+    /// This editor simply shows and edits integer values.
+    /// </summary>
+    [ToolboxItem(false)]
+    public class IntUpDown : NumericUpDown
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        public IntUpDown() {
+            this.DecimalPlaces = 0;
+            this.Minimum = -9999999;
+            this.Maximum = 9999999;
+        }
+
+        /// <summary>
+        /// Gets or sets the value shown by this editor
+        /// </summary>
+        new public int Value {
+            get { return Decimal.ToInt32(base.Value); }
+            set { base.Value = new Decimal(value); }
+        }
+    }
+
+    /// <summary>
+    /// This editor simply shows and edits unsigned integer values.
+    /// </summary>
+    /// <remarks>This class can't be made public because unsigned int is not a
+    /// CLS-compliant type. If you want to use, just copy the code to this class
+    /// into your project and use it from there.</remarks>
+    [ToolboxItem(false)]
+    internal class UintUpDown : NumericUpDown
+    {
+        public UintUpDown() {
+            this.DecimalPlaces = 0;
+            this.Minimum = 0;
+            this.Maximum = 9999999;
+        }
+
+        new public uint Value {
+            get { return Decimal.ToUInt32(base.Value); }
+            set { base.Value = new Decimal(value); }
+        }
+    }
+
+    /// <summary>
+    /// This editor simply shows and edits boolean values.
+    /// </summary>
+    [ToolboxItem(false)]
+    public class BooleanCellEditor : ComboBox
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        public BooleanCellEditor() {
+            this.DropDownStyle = ComboBoxStyle.DropDownList;
+            this.ValueMember = "Key";
+
+            ArrayList values = new ArrayList();
+            values.Add(new ComboBoxItem(false, "False"));
+            values.Add(new ComboBoxItem(true, "True"));
+
+            this.DataSource = values;
+        }
+    }
+
+    /// <summary>
+    /// This editor simply shows and edits boolean values using a checkbox
+    /// </summary>
+    [ToolboxItem(false)]
+    public class BooleanCellEditor2 : CheckBox
+    {
+        /// <summary>
+        /// Gets or sets the value shown by this editor
+        /// </summary>
+        public bool? Value {
+            get {
+                switch (this.CheckState) {
+                    case CheckState.Checked: return true;
+                    case CheckState.Indeterminate: return null;
+                    case CheckState.Unchecked: 
+                    default: return false;
+                }
+            }
+            set {
+                if (value.HasValue) 
+                    this.CheckState = value.Value ? CheckState.Checked : CheckState.Unchecked;
+                else
+                    this.CheckState = CheckState.Indeterminate;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets how the checkbox will be aligned
+        /// </summary>
+        public new HorizontalAlignment TextAlign {
+            get {
+                switch (this.CheckAlign) {
+                    case ContentAlignment.MiddleRight: return HorizontalAlignment.Right;
+                    case ContentAlignment.MiddleCenter: return HorizontalAlignment.Center;
+                    case ContentAlignment.MiddleLeft: 
+                    default: return HorizontalAlignment.Left;
+                }
+            }
+            set {
+                switch (value) {
+                    case HorizontalAlignment.Left:
+                        this.CheckAlign = ContentAlignment.MiddleLeft;
+                        break;
+                    case HorizontalAlignment.Center:
+                        this.CheckAlign = ContentAlignment.MiddleCenter;
+                        break;
+                    case HorizontalAlignment.Right:
+                        this.CheckAlign = ContentAlignment.MiddleRight;
+                        break;
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// This editor simply shows and edits floating point values.
+    /// </summary>
+    /// <remarks>You can intercept the CellEditStarting event if you want
+    /// to change the characteristics of the editor. For example, by increasing
+    /// the number of decimal places.</remarks>
+    [ToolboxItem(false)]
+    public class FloatCellEditor : NumericUpDown
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        public FloatCellEditor() {
+            this.DecimalPlaces = 2;
+            this.Minimum = -9999999;
+            this.Maximum = 9999999;
+        }
+
+        /// <summary>
+        /// Gets or sets the value shown by this editor
+        /// </summary>
+        new public double Value {
+            get { return Convert.ToDouble(base.Value); }
+            set { base.Value = Convert.ToDecimal(value); }
+        }
+    }
+}

ObjectListView/CellEditing/EditorRegistry.cs

@@ -0,0 +1,213 @@
+/*
+ * EditorRegistry - A registry mapping types to cell editors.
+ *
+ * Author: Phillip Piper
+ * Date: 6-March-2011 7:53 am
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Use OLVColumn.DataType if the value to be edited is null
+ * 2011-03-06  JPP  - Separated from CellEditors.cs
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.Reflection;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// A delegate that creates an editor for the given value
+    /// </summary>
+    /// <param name="model">The model from which that value came</param>
+    /// <param name="column">The column for which the editor is being created</param>
+    /// <param name="value">A representative value of the type to be edited. This value may not be the exact
+    /// value for the column/model combination. It could be simply representative of
+    /// the appropriate type of value.</param>
+    /// <returns>A control which can edit the given value</returns>
+    public delegate Control EditorCreatorDelegate(Object model, OLVColumn column, Object value);
+
+    /// <summary>
+    /// An editor registry gives a way to decide what cell editor should be used to edit
+    /// the value of a cell. Programmers can register non-standard types and the control that 
+    /// should be used to edit instances of that type. 
+    /// </summary>
+    /// <remarks>
+    /// <para>All ObjectListViews share the same editor registry.</para>
+    /// </remarks>
+    public class EditorRegistry {
+        #region Initializing
+
+        /// <summary>
+        /// Create an EditorRegistry
+        /// </summary>
+        public EditorRegistry() {
+            this.InitializeStandardTypes();
+        }
+
+        private void InitializeStandardTypes() {
+            this.Register(typeof(Boolean), typeof(BooleanCellEditor));
+            this.Register(typeof(Int16), typeof(IntUpDown));
+            this.Register(typeof(Int32), typeof(IntUpDown));
+            this.Register(typeof(Int64), typeof(IntUpDown));
+            this.Register(typeof(UInt16), typeof(UintUpDown));
+            this.Register(typeof(UInt32), typeof(UintUpDown));
+            this.Register(typeof(UInt64), typeof(UintUpDown));
+            this.Register(typeof(Single), typeof(FloatCellEditor));
+            this.Register(typeof(Double), typeof(FloatCellEditor));
+            this.Register(typeof(DateTime), delegate(Object model, OLVColumn column, Object value) {
+                DateTimePicker c = new DateTimePicker();
+                c.Format = DateTimePickerFormat.Short;
+                return c;
+            });
+            this.Register(typeof(Boolean), delegate(Object model, OLVColumn column, Object value) {
+                CheckBox c = new BooleanCellEditor2();
+                c.ThreeState = column.TriStateCheckBoxes;
+                return c;
+            });
+        }
+
+        #endregion
+
+        #region Registering
+
+        /// <summary>
+        /// Register that values of 'type' should be edited by instances of 'controlType'.
+        /// </summary>
+        /// <param name="type">The type of value to be edited</param>
+        /// <param name="controlType">The type of the Control that will edit values of 'type'</param>
+        /// <example>
+        /// ObjectListView.EditorRegistry.Register(typeof(Color), typeof(MySpecialColorEditor));
+        /// </example>
+        public void Register(Type type, Type controlType) {
+            this.Register(type, delegate(Object model, OLVColumn column, Object value) {
+                return controlType.InvokeMember("", BindingFlags.CreateInstance, null, null, null) as Control;
+            });
+        }
+
+        /// <summary>
+        /// Register the given delegate so that it is called to create editors
+        /// for values of the given type
+        /// </summary>
+        /// <param name="type">The type of value to be edited</param>
+        /// <param name="creator">The delegate that will create a control that can edit values of 'type'</param>
+        /// <example>
+        /// ObjectListView.EditorRegistry.Register(typeof(Color), CreateColorEditor);
+        /// ...
+        /// public Control CreateColorEditor(Object model, OLVColumn column, Object value)
+        /// {
+        ///     return new MySpecialColorEditor();
+        /// }
+        /// </example>
+        public void Register(Type type, EditorCreatorDelegate creator) {
+            this.creatorMap[type] = creator;
+        }
+
+        /// <summary>
+        /// Register a delegate that will be called to create an editor for values
+        /// that have not been handled.
+        /// </summary>
+        /// <param name="creator">The delegate that will create a editor for all other types</param>
+        public void RegisterDefault(EditorCreatorDelegate creator) {
+            this.defaultCreator = creator;
+        }
+
+        /// <summary>
+        /// Register a delegate that will be given a chance to create a control
+        /// before any other option is considered.
+        /// </summary>
+        /// <param name="creator">The delegate that will create a control</param>
+        public void RegisterFirstChance(EditorCreatorDelegate creator) {
+            this.firstChanceCreator = creator;
+        }
+
+        /// <summary>
+        /// Remove the registered handler for the given type
+        /// </summary>
+        /// <remarks>Does nothing if the given type doesn't exist</remarks>
+        /// <param name="type">The type whose registration is to be removed</param>
+        public void Unregister(Type type) {
+            if (this.creatorMap.ContainsKey(type))
+                this.creatorMap.Remove(type);
+        }
+
+        #endregion
+
+        #region Accessing
+
+        /// <summary>
+        /// Create and return an editor that is appropriate for the given value.
+        /// Return null if no appropriate editor can be found.
+        /// </summary>
+        /// <param name="model">The model involved</param>
+        /// <param name="column">The column to be edited</param>
+        /// <param name="value">The value to be edited. This value may not be the exact
+        /// value for the column/model combination. It could be simply representative of
+        /// the appropriate type of value.</param>
+        /// <returns>A Control that can edit the given type of values</returns>
+        public Control GetEditor(Object model, OLVColumn column, Object value) {
+            Control editor;
+
+            // Give the first chance delegate a chance to decide
+            if (this.firstChanceCreator != null) {
+                editor = this.firstChanceCreator(model, column, value);
+                if (editor != null)
+                    return editor;
+            }
+
+            // Try to find a creator based on the type of the value (or the column)
+            Type type = value == null ? column.DataType : value.GetType();
+            if (type != null && this.creatorMap.ContainsKey(type)) {
+                editor = this.creatorMap[type](model, column, value);
+                if (editor != null)
+                    return editor;
+            }
+
+            // Enums without other processing get a special editor
+            if (value != null && value.GetType().IsEnum)
+                return this.CreateEnumEditor(value.GetType());
+
+            // Give any default creator a final chance
+            if (this.defaultCreator != null)
+                return this.defaultCreator(model, column, value);
+
+            return null;
+        }
+
+        /// <summary>
+        /// Create and return an editor that will edit values of the given type
+        /// </summary>
+        /// <param name="type">A enum type</param>
+        protected Control CreateEnumEditor(Type type) {
+            return new EnumCellEditor(type);
+        }
+
+        #endregion
+
+        #region Private variables
+
+        private EditorCreatorDelegate firstChanceCreator;
+        private EditorCreatorDelegate defaultCreator;
+        private Dictionary<Type, EditorCreatorDelegate> creatorMap = new Dictionary<Type, EditorCreatorDelegate>();
+
+        #endregion
+    }
+}

ObjectListView/CustomDictionary.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Dictionary>
+  <Words>
+    <Recognized>
+      <Word>br</Word>
+      <Word>Canceled</Word>
+      <Word>Center</Word>
+      <Word>Color</Word>
+      <Word>Colors</Word>
+      <Word>f</Word>
+      <Word>fmt</Word>
+      <Word>g</Word>
+      <Word>gdi</Word>
+      <Word>hti</Word>
+      <Word>i</Word>
+      <Word>lightbox</Word>
+      <Word>lv</Word>
+      <Word>lvi</Word>
+      <Word>lvsi</Word>
+      <Word>m</Word>
+      <Word>multi</Word>
+      <Word>Munger</Word>
+      <Word>n</Word>
+      <Word>olv</Word>
+      <Word>olvi</Word>
+      <Word>p</Word>
+      <Word>parms</Word>
+      <Word>r</Word>
+      <Word>Renderer</Word>
+      <Word>s</Word>
+      <Word>SubItem</Word>
+      <Word>Unapply</Word>
+      <Word>Unpause</Word>
+      <Word>x</Word>
+      <Word>y</Word>
+    </Recognized>
+    <Deprecated>
+      <Term PreferredAlternate="EnterpriseServices">ComPlus</Term>
+    </Deprecated>
+  </Words>
+  <Acronyms>
+    <CasingExceptions>
+      <Acronym>OLV</Acronym>
+    </CasingExceptions>
+  </Acronyms>
+</Dictionary>

ObjectListView/DataListView.cs

@@ -0,0 +1,236 @@
+/*
+ * DataListView - A data-bindable listview
+ *
+ * Author: Phillip Piper
+ * Date: 27/09/2008 9:15 AM
+ *
+ * Change log:
+ * 2015-02-02   JPP  - Made Unfreezing more efficient by removing a redundant BuildList() call
+ * v2.6
+ * 2011-02-27   JPP  - Moved most of the logic to DataSourceAdapter (where it
+ *                     can be used by FastDataListView too)
+ * v2.3
+ * 2009-01-18   JPP  - Boolean columns are now handled as checkboxes
+ *                   - Auto-generated columns would fail if the data source was 
+ *                     reseated, even to the same data source
+ * v2.0.1
+ * 2009-01-07   JPP  - Made all public and protected methods virtual 
+ * 2008-10-03   JPP  - Separated from ObjectListView.cs
+ * 
+ * Copyright (C) 2006-2015 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.ComponentModel;
+using System.Data;
+using System.Diagnostics;
+using System.Drawing.Design;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+
+    /// <summary>
+    /// A DataListView is a ListView that can be bound to a datasource (which would normally be a DataTable or DataView).
+    /// </summary>
+    /// <remarks>
+    /// <para>This listview keeps itself in sync with its source datatable by listening for change events.</para>
+    /// <para>The DataListView will automatically create columns to show all of the data source's columns/properties, if there is not already
+    /// a column showing that property. This allows you to define one or two columns in the designer and then have the others generated automatically.
+    /// If you don't want any column to be auto generated, set <see cref="AutoGenerateColumns"/> to false.
+    /// These generated columns will be only the simplest view of the world, and would look more interesting with a few delegates installed.</para>
+    /// <para>This listview will also automatically generate missing aspect getters to fetch the values from the data view.</para>
+    /// <para>Changing data sources is possible, but error prone. Before changing data sources, the programmer is responsible for modifying/resetting
+    /// the column collection to be valid for the new data source.</para>
+    /// <para>Internally, a CurrencyManager controls keeping the data source in-sync with other users of the data source (as per normal .NET
+    /// behavior). This means that the model objects in the DataListView are DataRowView objects. If you write your own AspectGetters/Setters,
+    /// they will be given DataRowView objects.</para>
+    /// </remarks>
+    public class DataListView : ObjectListView
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Make a DataListView
+        /// </summary>
+        public DataListView()
+        {
+            this.Adapter = new DataSourceAdapter(this);
+        }
+
+        protected override void Dispose(bool disposing) {
+            this.Adapter.Dispose();
+            base.Dispose(disposing);
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        /// <summary>
+        /// Gets or sets whether or not columns will be automatically generated to show the
+        /// columns when the DataSource is set. 
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect afterwards.</remarks>
+        [Category("Data"),
+         Description("Should the control automatically generate columns from the DataSource"),
+         DefaultValue(true)]
+        public bool AutoGenerateColumns {
+            get { return this.Adapter.AutoGenerateColumns; }
+            set { this.Adapter.AutoGenerateColumns = value; }
+        }
+
+        /// <summary>
+        /// Get or set the DataSource that will be displayed in this list view.
+        /// </summary>
+        /// <remarks>The DataSource should implement either <see cref="IList"/>, <see cref="IBindingList"/>,
+        /// or <see cref="IListSource"/>. Some common examples are the following types of objects:
+        /// <list type="unordered">
+        /// <item><description><see cref="DataView"/></description></item>
+        /// <item><description><see cref="DataTable"/></description></item>
+        /// <item><description><see cref="DataSet"/></description></item>
+        /// <item><description><see cref="DataViewManager"/></description></item>
+        /// <item><description><see cref="BindingSource"/></description></item>
+        /// </list>
+        /// <para>When binding to a list container (i.e. one that implements the
+        /// <see cref="IListSource"/> interface, such as <see cref="DataSet"/>)
+        /// you must also set the <see cref="DataMember"/> property in order
+        /// to identify which particular list you would like to display. You
+        /// may also set the <see cref="DataMember"/> property even when
+        /// DataSource refers to a list, since <see cref="DataMember"/> can
+        /// also be used to navigate relations between lists.</para>
+        /// <para>When a DataSource is set, the control will create OLVColumns to show any
+        /// data source columns that are not already shown.</para>
+        /// <para>If the DataSource is changed, you will have to remove any previously
+        /// created columns, since they will be configured for the previous DataSource.
+        /// <see cref="ObjectListView.Reset()"/>.</para>
+        /// </remarks>
+        [Category("Data"),
+        TypeConverter("System.Windows.Forms.Design.DataSourceConverter, System.Design")]
+        public virtual Object DataSource
+        {
+            get { return this.Adapter.DataSource; }
+            set { this.Adapter.DataSource = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the list or table in the data source for which the DataListView is displaying data.
+        /// </summary>
+        /// <remarks>If the data source is not a DataSet or DataViewManager, this property has no effect</remarks>
+        [Category("Data"),
+         Editor("System.Windows.Forms.Design.DataMemberListEditor, System.Design", typeof(UITypeEditor)),
+         DefaultValue("")]
+        public virtual string DataMember
+        {
+            get { return this.Adapter.DataMember; }
+            set { this.Adapter.DataMember = value; }
+        }
+
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets or sets the DataSourceAdaptor that does the bulk of the work needed
+        /// for data binding.
+        /// </summary>
+        /// <remarks>
+        /// Adaptors cannot be shared between controls. Each DataListView needs its own adapter.
+        /// </remarks>
+        protected DataSourceAdapter Adapter {
+            get {
+                Debug.Assert(adapter != null, "Data adapter should not be null");
+                return adapter; 
+            }
+            set { adapter = value; }
+        }
+        private DataSourceAdapter adapter;
+
+        #endregion
+
+        #region Object manipulations
+
+        /// <summary>
+        /// Add the given collection of model objects to this control.
+        /// </summary>
+        /// <param name="modelObjects">A collection of model objects</param>
+        /// <remarks>This is a no-op for data lists, since the data
+        /// is controlled by the DataSource. Manipulate the data source
+        /// rather than this view of the data source.</remarks>
+        public override void AddObjects(ICollection modelObjects)
+        {
+        }
+
+        /// <summary>
+        /// Insert the given collection of objects before the given position
+        /// </summary>
+        /// <param name="index">Where to insert the objects</param>
+        /// <param name="modelObjects">The objects to be inserted</param>
+        /// <remarks>This is a no-op for data lists, since the data
+        /// is controlled by the DataSource. Manipulate the data source
+        /// rather than this view of the data source.</remarks>
+        public override void InsertObjects(int index, ICollection modelObjects) {
+        }
+
+        /// <summary>
+        /// Remove the given collection of model objects from this control.
+        /// </summary>
+        /// <remarks>This is a no-op for data lists, since the data
+        /// is controlled by the DataSource. Manipulate the data source
+        /// rather than this view of the data source.</remarks>
+        public override void RemoveObjects(ICollection modelObjects)
+        {
+        }
+
+        #endregion
+
+        #region Event Handlers
+
+        /// <summary>
+        /// Change the Unfreeze behaviour 
+        /// </summary>
+        protected override void DoUnfreeze() {
+
+            // Copied from base method, but we don't need to BuildList() since we know that our
+            // data adaptor is going to do that immediately after this method exits.
+            this.EndUpdate();
+            this.ResizeFreeSpaceFillingColumns();
+           // this.BuildList();
+        }
+
+        /// <summary>
+        /// Handles parent binding context changes
+        /// </summary>
+        /// <param name="e">Unused EventArgs.</param>
+        protected override void OnParentBindingContextChanged(EventArgs e)
+        {
+            base.OnParentBindingContextChanged(e);
+
+            // BindingContext is an ambient property - by default it simply picks
+            // up the parent control's context (unless something has explicitly
+            // given us our own). So we must respond to changes in our parent's
+            // binding context in the same way we would changes to our own
+            // binding context.
+
+            // THINK: Do we need to forward this to the adapter?
+        }
+
+        #endregion
+    }
+}

ObjectListView/DataTreeListView.cs

@@ -0,0 +1,240 @@
+/*
+ * DataTreeListView - A data bindable TreeListView
+ *
+ * Author: Phillip Piper
+ * Date: 05/05/2012 3:26 PM
+ *
+ * Change log:
+
+ * 2012-05-05  JPP  Initial version
+ *
+ * TO DO:
+
+ * 
+ * Copyright (C) 2012 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.ComponentModel;
+using System.Data;
+using System.Diagnostics;
+using System.Drawing.Design;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A DataTreeListView is a TreeListView that calculates its hierarchy based on
+    /// information in the data source.
+    /// </summary>
+    /// <remarks>
+    /// <para>Like a <see cref="DataListView"/>, a DataTreeListView sources all its information
+    /// from a combination of <see cref="DataSource"/> and <see cref="DataMember"/>. 
+    /// <see cref="DataSource"/> can be a DataTable, DataSet,
+    /// or anything that implements <see cref="IList"/>. 
+    /// </para>
+    /// <para>
+    /// To function properly, the DataTreeListView requires:
+    /// <list type="bullet">
+    /// <item>the table to have a column which holds a unique for the row. The name of this column must be set in <see cref="KeyAspectName"/>.</item>
+    /// <item>the table to have a column which holds id of the hierarchical parent of the row. The name of this column must be set in <see cref="ParentKeyAspectName"/>.</item>
+    /// <item>a value which identifies which rows are the roots of the tree (<see cref="RootKeyValue"/>).</item>
+    /// </list>
+    /// The hierarchy structure is determined finding all the rows where the parent key is equal to <see cref="RootKeyValue"/>. These  rows
+    /// become the root objects of the hierarchy.
+    /// </para>
+    /// <para>Like a TreeListView, the hierarchy must not contain cycles. Bad things will happen if the data is cyclic.</para>
+    /// </remarks>
+    public partial class DataTreeListView : TreeListView
+    {
+        #region Public Properties
+
+        /// <summary>
+        /// Gets or sets whether or not columns will be automatically generated to show the
+        /// columns when the DataSource is set. 
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect afterwards.</remarks>
+        [Category("Data"),
+         Description("Should the control automatically generate columns from the DataSource"),
+         DefaultValue(true)]
+        public bool AutoGenerateColumns
+        {
+            get { return this.Adapter.AutoGenerateColumns; }
+            set { this.Adapter.AutoGenerateColumns = value; }
+        }
+
+        /// <summary>
+        /// Get or set the DataSource that will be displayed in this list view.
+        /// </summary>
+        /// <remarks>The DataSource should implement either <see cref="IList"/>, <see cref="IBindingList"/>,
+        /// or <see cref="IListSource"/>. Some common examples are the following types of objects:
+        /// <list type="unordered">
+        /// <item><description><see cref="DataView"/></description></item>
+        /// <item><description><see cref="DataTable"/></description></item>
+        /// <item><description><see cref="DataSet"/></description></item>
+        /// <item><description><see cref="DataViewManager"/></description></item>
+        /// <item><description><see cref="BindingSource"/></description></item>
+        /// </list>
+        /// <para>When binding to a list container (i.e. one that implements the
+        /// <see cref="IListSource"/> interface, such as <see cref="DataSet"/>)
+        /// you must also set the <see cref="DataMember"/> property in order
+        /// to identify which particular list you would like to display. You
+        /// may also set the <see cref="DataMember"/> property even when
+        /// DataSource refers to a list, since <see cref="DataMember"/> can
+        /// also be used to navigate relations between lists.</para>
+        /// </remarks>
+        [Category("Data"),
+        TypeConverter("System.Windows.Forms.Design.DataSourceConverter, System.Design")]
+        public virtual Object DataSource {
+            get { return this.Adapter.DataSource; }
+            set { this.Adapter.DataSource = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the list or table in the data source for which the DataListView is displaying data.
+        /// </summary>
+        /// <remarks>If the data source is not a DataSet or DataViewManager, this property has no effect</remarks>
+        [Category("Data"),
+         Editor("System.Windows.Forms.Design.DataMemberListEditor, System.Design", typeof(UITypeEditor)),
+         DefaultValue("")]
+        public virtual string DataMember {
+            get { return this.Adapter.DataMember; }
+            set { this.Adapter.DataMember = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the property/column that uniquely identifies each row.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The value contained by this column must be unique across all rows 
+        /// in the data source. Odd and unpredictable things will happen if two
+        /// rows have the same id.
+        /// </para>
+        /// <para>Null cannot be a valid key value.</para>
+        /// </remarks>
+        [Category("Data"),
+         Description("The name of the property/column that holds the key of a row"),
+         DefaultValue(null)]
+        public virtual string KeyAspectName {
+            get { return this.Adapter.KeyAspectName; }
+            set { this.Adapter.KeyAspectName = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the property/column that contains the key of
+        /// the parent of a row.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The test condition for deciding if one row is the parent of another is functionally
+        /// equivilent to this:
+        /// <code>
+        /// Object.Equals(candidateParentRow[this.KeyAspectName], row[this.ParentKeyAspectName])
+        /// </code>
+        /// </para>
+        /// <para>Unlike key value, parent keys can be null but a null parent key can only be used
+        /// to identify root objects.</para>
+        /// </remarks>
+        [Category("Data"),
+         Description("The name of the property/column that holds the key of the parent of a row"),
+         DefaultValue(null)]
+        public virtual string ParentKeyAspectName {
+            get { return this.Adapter.ParentKeyAspectName; }
+            set { this.Adapter.ParentKeyAspectName = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the value that identifies a row as a root object.
+        /// When the ParentKey of a row equals the RootKeyValue, that row will
+        /// be treated as root of the TreeListView.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The test condition for deciding a root object is functionally
+        /// equivilent to this:
+        /// <code>
+        /// Object.Equals(candidateRow[this.ParentKeyAspectName], this.RootKeyValue)
+        /// </code>
+        /// </para>
+        /// <para>The RootKeyValue can be null. Actually, it can be any value that can 
+        /// be compared for equality against a basic type.</para>
+        /// <para>If this is set to the wrong value (i.e. to a value that no row
+        /// has in the parent id column), the list will be empty.</para>
+        /// </remarks>
+        [Browsable(false),
+        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public virtual object RootKeyValue {
+            get { return this.Adapter.RootKeyValue; }
+            set { this.Adapter.RootKeyValue = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the value that identifies a row as a root object.
+        /// <see cref="RootKeyValue"/>. The RootKeyValue can be of any type,
+        /// but the IDE cannot sensibly represent a value of any type,
+        /// so this is a typed wrapper around that property.
+        /// </summary>
+        /// <remarks>
+        /// If you want the root value to be something other than a string,
+        /// you will have set it yourself.
+        /// </remarks>
+        [Category("Data"),
+        Description("The parent id value that identifies a row as a root object"),
+        DefaultValue(null)]
+        public virtual string RootKeyValueString {
+            get { return Convert.ToString(this.Adapter.RootKeyValue); }
+            set { this.Adapter.RootKeyValue = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets whether or not the key columns (id and parent id) should
+        /// be shown to the user.
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect
+        /// afterwards.</remarks>
+        [Category("Data"),
+         Description("Should the keys columns (id and parent id) be shown to the user?"),
+         DefaultValue(true)]
+        public virtual bool ShowKeyColumns {
+            get { return this.Adapter.ShowKeyColumns; }
+            set { this.Adapter.ShowKeyColumns = value; }
+        }
+
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets or sets the DataSourceAdaptor that does the bulk of the work needed
+        /// for data binding.
+        /// </summary>
+        protected TreeDataSourceAdapter Adapter {
+            get {
+                if (this.adapter == null)
+                    this.adapter = new TreeDataSourceAdapter(this);
+                return adapter;
+            }
+            set { adapter = value; }
+        }
+        private TreeDataSourceAdapter adapter;
+
+        #endregion
+    }
+}

ObjectListView/DragDrop/DragSource.cs

@@ -0,0 +1,219 @@
+/*
+ * DragSource.cs - Add drag source functionality to an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 2009-03-17 5:15 PM
+ *
+ * Change log:
+ * 2011-03-29   JPP  - Separate OLVDataObject.cs
+ * v2.3
+ * 2009-07-06   JPP  - Make sure Link is acceptable as an drop effect by default
+ *                     (since MS didn't make it part of the 'All' value)
+ * v2.2
+ * 2009-04-15   JPP  - Separated DragSource.cs into DropSink.cs
+ * 2009-03-17   JPP  - Initial version
+ * 
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// An IDragSource controls how drag out from the ObjectListView will behave
+    /// </summary>
+    public interface IDragSource
+    {
+        /// <summary>
+        /// A drag operation is beginning. Return the data object that will be used 
+        /// for data transfer. Return null to prevent the drag from starting. The data
+        /// object will normally include all the selected objects.
+        /// </summary>
+        /// <remarks>
+        /// The returned object is later passed to the GetAllowedEffect() and EndDrag()
+        /// methods.
+        /// </remarks>
+        /// <param name="olv">What ObjectListView is being dragged from.</param>
+        /// <param name="button">Which mouse button is down?</param>
+        /// <param name="item">What item was directly dragged by the user? There may be more than just this 
+        /// item selected.</param>
+        /// <returns>The data object that will be used for data transfer. This will often be a subclass
+        /// of DataObject, but does not need to be.</returns>
+        Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item);
+
+        /// <summary>
+        /// What operations are possible for this drag? This controls the icon shown during the drag
+        /// </summary>
+        /// <param name="dragObject">The data object returned by StartDrag()</param>
+        /// <returns>A combination of DragDropEffects flags</returns>
+        DragDropEffects GetAllowedEffects(Object dragObject);
+
+        /// <summary>
+        /// The drag operation is complete. Do whatever is necessary to complete the action.
+        /// </summary>
+        /// <param name="dragObject">The data object returned by StartDrag()</param>
+        /// <param name="effect">The value returned from GetAllowedEffects()</param>
+        void EndDrag(Object dragObject, DragDropEffects effect);
+    }
+
+    /// <summary>
+    /// A do-nothing implementation of IDragSource that can be safely subclassed.
+    /// </summary>
+    public class AbstractDragSource : IDragSource
+    {
+        #region IDragSource Members
+
+        /// <summary>
+        /// See IDragSource documentation
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="button"></param>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public virtual Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item) {
+            return null;
+        }
+
+        /// <summary>
+        /// See IDragSource documentation
+        /// </summary>
+        /// <param name="data"></param>
+        /// <returns></returns>
+        public virtual DragDropEffects GetAllowedEffects(Object data) {
+            return DragDropEffects.None;
+        }
+
+        /// <summary>
+        /// See IDragSource documentation
+        /// </summary>
+        /// <param name="dragObject"></param>
+        /// <param name="effect"></param>
+        public virtual void EndDrag(Object dragObject, DragDropEffects effect) {
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// A reasonable implementation of IDragSource that provides normal
+    /// drag source functionality. It creates a data object that supports
+    /// inter-application dragging of text and HTML representation of 
+    /// the dragged rows. It can optionally force a refresh of all dragged
+    /// rows when the drag is complete.
+    /// </summary>
+    /// <remarks>Subclasses can override GetDataObject() to add new
+    /// data formats to the data transfer object.</remarks>
+    public class SimpleDragSource : IDragSource
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Construct a SimpleDragSource
+        /// </summary>
+        public SimpleDragSource() {
+        }
+
+        /// <summary>
+        /// Construct a SimpleDragSource that refreshes the dragged rows when
+        /// the drag is complete
+        /// </summary>
+        /// <param name="refreshAfterDrop"></param>
+        public SimpleDragSource(bool refreshAfterDrop) {
+            this.RefreshAfterDrop = refreshAfterDrop;
+        }
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets whether the dragged rows should be refreshed when the 
+        /// drag operation is complete.
+        /// </summary>
+        public bool RefreshAfterDrop {
+            get { return refreshAfterDrop; }
+            set { refreshAfterDrop = value;  }
+        }
+        private bool refreshAfterDrop;
+
+        #endregion
+
+        #region IDragSource Members
+
+        /// <summary>
+        /// Create a DataObject when the user does a left mouse drag operation.
+        /// See IDragSource for further information.
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="button"></param>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public virtual Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item) {
+            // We only drag on left mouse
+            if (button != MouseButtons.Left)
+                return null;
+
+            return this.CreateDataObject(olv);
+        }
+
+        /// <summary>
+        /// Which operations are allowed in the operation? By default, all operations are supported.
+        /// </summary>
+        /// <param name="data"></param>
+        /// <returns>All opertions are supported</returns>
+        public virtual DragDropEffects GetAllowedEffects(Object data) {
+            return DragDropEffects.All | DragDropEffects.Link; // why didn't MS include 'Link' in 'All'??
+        }
+
+        /// <summary>
+        /// The drag operation is finished. Refreshe the dragged rows if so configured.
+        /// </summary>
+        /// <param name="dragObject"></param>
+        /// <param name="effect"></param>
+        public virtual void EndDrag(Object dragObject, DragDropEffects effect) {
+            OLVDataObject data = dragObject as OLVDataObject;
+            if (data == null)
+                return;
+
+            if (this.RefreshAfterDrop)
+                data.ListView.RefreshObjects(data.ModelObjects);
+        }
+
+        /// <summary>
+        /// Create a data object that will be used to as the data object
+        /// for the drag operation.
+        /// </summary>
+        /// <remarks>
+        /// Subclasses can override this method add new formats to the data object.
+        /// </remarks>
+        /// <param name="olv">The ObjectListView that is the source of the drag</param>
+        /// <returns>A data object for the drag</returns>
+        protected virtual object CreateDataObject(ObjectListView olv) {
+            return new OLVDataObject(olv);
+        }
+
+        #endregion
+    }
+}

ObjectListView/DragDrop/OLVDataObject.cs

@@ -0,0 +1,185 @@
+/*
+ * OLVDataObject.cs - An OLE DataObject that knows how to convert rows of an OLV to text and HTML
+ *
+ * Author: Phillip Piper
+ * Date: 2011-03-29 3:34PM
+ *
+ * Change log:
+ * v2.8
+ * 2014-05-02   JPP  - When the listview is completely empty, don't try to set CSV text in the clipboard.
+ * v2.6
+ * 2012-08-08   JPP  - Changed to use OLVExporter.
+ *                   - Added CSV to formats exported to Clipboard
+ * v2.4
+ * 2011-03-29   JPP  - Initial version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware {
+    
+    /// <summary>
+    /// A data transfer object that knows how to transform a list of model
+    /// objects into a text and HTML representation.
+    /// </summary>
+    public class OLVDataObject : DataObject {
+        #region Life and death
+
+        /// <summary>
+        /// Create a data object from the selected objects in the given ObjectListView
+        /// </summary>
+        /// <param name="olv">The source of the data object</param>
+        public OLVDataObject(ObjectListView olv)
+            : this(olv, olv.SelectedObjects) {
+        }
+
+        /// <summary>
+        /// Create a data object which operates on the given model objects 
+        /// in the given ObjectListView
+        /// </summary>
+        /// <param name="olv">The source of the data object</param>
+        /// <param name="modelObjects">The model objects to be put into the data object</param>
+        public OLVDataObject(ObjectListView olv, IList modelObjects) {
+            this.objectListView = olv;
+            this.modelObjects = modelObjects;
+            this.includeHiddenColumns = olv.IncludeHiddenColumnsInDataTransfer;
+            this.includeColumnHeaders = olv.IncludeColumnHeadersInCopy;
+            this.CreateTextFormats();
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets whether hidden columns will also be included in the text
+        /// and HTML representation. If this is false, only visible columns will
+        /// be included.
+        /// </summary>
+        public bool IncludeHiddenColumns {
+            get { return includeHiddenColumns; }
+        }
+        private readonly bool includeHiddenColumns;
+
+        /// <summary>
+        /// Gets or sets whether column headers will also be included in the text
+        /// and HTML representation.
+        /// </summary>
+        public bool IncludeColumnHeaders {
+            get { return includeColumnHeaders; }
+        }
+        private readonly bool includeColumnHeaders;
+
+        /// <summary>
+        /// Gets the ObjectListView that is being used as the source of the data
+        /// </summary>
+        public ObjectListView ListView {
+            get { return objectListView; }
+        }
+        private readonly ObjectListView objectListView;
+
+        /// <summary>
+        /// Gets the model objects that are to be placed in the data object
+        /// </summary>
+        public IList ModelObjects {
+            get { return modelObjects; }
+        }
+        private readonly IList modelObjects;
+
+        #endregion
+
+        /// <summary>
+        /// Put a text and HTML representation of our model objects
+        /// into the data object.
+        /// </summary>
+        public void CreateTextFormats() {
+
+            OLVExporter exporter = this.CreateExporter();
+
+            // Put both the text and html versions onto the clipboard.
+            // For some reason, SetText() with UnicodeText doesn't set the basic CF_TEXT format,
+            // but using SetData() does.
+            //this.SetText(sbText.ToString(), TextDataFormat.UnicodeText);
+            this.SetData(exporter.ExportTo(OLVExporter.ExportFormat.TabSeparated));
+            string exportTo = exporter.ExportTo(OLVExporter.ExportFormat.CSV);
+            if (!String.IsNullOrEmpty(exportTo))
+                this.SetText(exportTo, TextDataFormat.CommaSeparatedValue);
+            this.SetText(ConvertToHtmlFragment(exporter.ExportTo(OLVExporter.ExportFormat.HTML)), TextDataFormat.Html);
+        }
+
+        /// <summary>
+        /// Create an exporter for the data contained in this object
+        /// </summary>
+        /// <returns></returns>
+        protected OLVExporter CreateExporter() {
+            OLVExporter exporter = new OLVExporter(this.ListView);
+            exporter.IncludeColumnHeaders = this.IncludeColumnHeaders;
+            exporter.IncludeHiddenColumns = this.IncludeHiddenColumns;
+            exporter.ModelObjects = this.ModelObjects;
+            return exporter;
+        }
+
+        /// <summary>
+        /// Make a HTML representation of our model objects
+        /// </summary>
+        [Obsolete("Use OLVExporter directly instead", false)]
+        public string CreateHtml() {
+            OLVExporter exporter = this.CreateExporter();
+            return exporter.ExportTo(OLVExporter.ExportFormat.HTML);
+        }
+
+        /// <summary>
+        /// Convert the fragment of HTML into the Clipboards HTML format.
+        /// </summary>
+        /// <remarks>The HTML format is found here http://msdn2.microsoft.com/en-us/library/aa767917.aspx
+        /// </remarks>
+        /// <param name="fragment">The HTML to put onto the clipboard. It must be valid HTML!</param>
+        /// <returns>A string that can be put onto the clipboard and will be recognized as HTML</returns>
+        private string ConvertToHtmlFragment(string fragment) {
+            // Minimal implementation of HTML clipboard format
+            const string SOURCE = "http://www.codeproject.com/Articles/16009/A-Much-Easier-to-Use-ListView";
+
+            const String MARKER_BLOCK =
+                "Version:1.0\r\n" +
+                "StartHTML:{0,8}\r\n" +
+                "EndHTML:{1,8}\r\n" +
+                "StartFragment:{2,8}\r\n" +
+                "EndFragment:{3,8}\r\n" +
+                "StartSelection:{2,8}\r\n" +
+                "EndSelection:{3,8}\r\n" +
+                "SourceURL:{4}\r\n" +
+                "{5}";
+
+            int prefixLength = String.Format(MARKER_BLOCK, 0, 0, 0, 0, SOURCE, "").Length;
+
+            const String DEFAULT_HTML_BODY =
+                "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">" +
+                "<HTML><HEAD></HEAD><BODY><!--StartFragment-->{0}<!--EndFragment--></BODY></HTML>";
+
+            string html = String.Format(DEFAULT_HTML_BODY, fragment);
+            int startFragment = prefixLength + html.IndexOf(fragment, StringComparison.Ordinal);
+            int endFragment = startFragment + fragment.Length;
+
+            return String.Format(MARKER_BLOCK, prefixLength, prefixLength + html.Length, startFragment, endFragment, SOURCE, html);
+        }
+    }
+}

ObjectListView/FastDataListView.cs

@@ -0,0 +1,165 @@
+/*
+ * FastDataListView - A data bindable listview that has the speed of a virtual list
+ *
+ * Author: Phillip Piper
+ * Date: 22/09/2010 8:11 AM
+ *
+ * Change log:
+ * 2015-02-02   JPP  - Made Unfreezing more efficient by removing a redundant BuildList() call
+ * v2.6
+ * 2010-09-22   JPP  - Initial version
+ *
+ * Copyright (C) 2006-2015 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using System.ComponentModel;
+using System.Windows.Forms;
+using System.Drawing.Design;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A FastDataListView virtualizes the display of data from a DataSource. It operates on
+    /// DataSets and DataTables in the same way as a DataListView, but does so much more efficiently.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// A FastDataListView still has to load all its data from the DataSource. If you have SQL statement
+    /// that returns 1 million rows, all 1 million rows will still need to read from the database.
+    /// However, once the rows are loaded, the FastDataListView will only build rows as they are displayed.
+    /// </para>
+    /// </remarks>
+    public class FastDataListView : FastObjectListView
+    {
+        protected override void Dispose(bool disposing)
+        {
+            if (this.adapter != null) {
+                this.adapter.Dispose();
+                this.adapter = null;
+            }
+
+            base.Dispose(disposing);
+        }
+
+        #region Public Properties
+
+        /// <summary>
+        /// Gets or sets whether or not columns will be automatically generated to show the
+        /// columns when the DataSource is set. 
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect afterwards.</remarks>
+        [Category("Data"),
+         Description("Should the control automatically generate columns from the DataSource"),
+         DefaultValue(true)]
+        public bool AutoGenerateColumns
+        {
+            get { return this.Adapter.AutoGenerateColumns; }
+            set { this.Adapter.AutoGenerateColumns = value; }
+        }
+
+        /// <summary>
+        /// Get or set the VirtualListDataSource that will be displayed in this list view.
+        /// </summary>
+        /// <remarks>The VirtualListDataSource should implement either <see cref="IList"/>, <see cref="IBindingList"/>,
+        /// or <see cref="IListSource"/>. Some common examples are the following types of objects:
+        /// <list type="unordered">
+        /// <item><description><see cref="DataView"/></description></item>
+        /// <item><description><see cref="DataTable"/></description></item>
+        /// <item><description><see cref="DataSet"/></description></item>
+        /// <item><description><see cref="DataViewManager"/></description></item>
+        /// <item><description><see cref="BindingSource"/></description></item>
+        /// </list>
+        /// <para>When binding to a list container (i.e. one that implements the
+        /// <see cref="IListSource"/> interface, such as <see cref="DataSet"/>)
+        /// you must also set the <see cref="DataMember"/> property in order
+        /// to identify which particular list you would like to display. You
+        /// may also set the <see cref="DataMember"/> property even when
+        /// VirtualListDataSource refers to a list, since <see cref="DataMember"/> can
+        /// also be used to navigate relations between lists.</para>
+        /// </remarks>
+        [Category("Data"),
+        TypeConverter("System.Windows.Forms.Design.DataSourceConverter, System.Design")]
+        public virtual Object DataSource {
+            get { return this.Adapter.DataSource; }
+            set { this.Adapter.DataSource = value; }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the list or table in the data source for which the DataListView is displaying data.
+        /// </summary>
+        /// <remarks>If the data source is not a DataSet or DataViewManager, this property has no effect</remarks>
+        [Category("Data"),
+         Editor("System.Windows.Forms.Design.DataMemberListEditor, System.Design", typeof(UITypeEditor)),
+         DefaultValue("")]
+        public virtual string DataMember {
+            get { return this.Adapter.DataMember; }
+            set { this.Adapter.DataMember = value; }
+        }
+
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets or sets the DataSourceAdaptor that does the bulk of the work needed
+        /// for data binding.
+        /// </summary>
+        protected DataSourceAdapter Adapter {
+            get {
+                if (adapter == null)
+                    adapter = this.CreateDataSourceAdapter();
+                return adapter;
+            }
+            set { adapter = value; }
+        }
+        private DataSourceAdapter adapter;
+
+        #endregion
+
+        #region Implementation 
+
+        /// <summary>
+        /// Create the DataSourceAdapter that this control will use.
+        /// </summary>
+        /// <returns>A DataSourceAdapter configured for this list</returns>
+        /// <remarks>Subclasses should override this to create their
+        /// own specialized adapters</remarks>
+        protected virtual DataSourceAdapter CreateDataSourceAdapter() {
+            return new DataSourceAdapter(this);
+        }
+
+        /// <summary>
+        /// Change the Unfreeze behaviour 
+        /// </summary>
+        protected override void DoUnfreeze()
+        {
+
+            // Copied from base method, but we don't need to BuildList() since we know that our
+            // data adaptor is going to do that immediately after this method exits.
+            this.EndUpdate();
+            this.ResizeFreeSpaceFillingColumns();
+            // this.BuildList();
+        }
+
+        #endregion
+    }
+}

ObjectListView/FastObjectListView.cs

@@ -0,0 +1,419 @@
+/*
+ * FastObjectListView - A listview that behaves like an ObjectListView but has the speed of a virtual list
+ *
+ * Author: Phillip Piper
+ * Date: 27/09/2008 9:15 AM
+ *
+ * Change log:
+ * 2014-10-15   JPP  - Fire Filter event when applying filters
+ * v2.8
+ * 2012-06-11   JPP  - Added more efficient version of FilteredObjects
+ * v2.5.1
+ * 2011-04-25   JPP  - Fixed problem with removing objects from filtered or sorted list
+ * v2.4
+ * 2010-04-05   JPP  - Added filtering
+ * v2.3
+ * 2009-08-27   JPP  - Added GroupingStrategy
+ *                   - Added optimized Objects property
+ * v2.2.1
+ * 2009-01-07   JPP  - Made all public and protected methods virtual
+ * 2008-09-27   JPP  - Separated from ObjectListView.cs
+ *
+ * Copyright (C) 2006-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A FastObjectListView trades function for speed.
+    /// </summary>
+    /// <remarks>
+    /// <para>On my mid-range laptop, this view builds a list of 10,000 objects in 0.1 seconds,
+    /// as opposed to a normal ObjectListView which takes 10-15 seconds. Lists of up to 50,000 items should be
+    /// able to be handled with sub-second response times even on low end machines.</para>
+    /// <para>
+    /// A FastObjectListView is implemented as a virtual list with many of the virtual modes limits (e.g. no sorting)
+    /// fixed through coding. There are some functions that simply cannot be provided. Specifically, a FastObjectListView cannot:
+    /// <list type="bullet">
+    /// <item><description>use Tile view</description></item>
+    /// <item><description>show groups on XP</description></item>
+    /// </list>
+    /// </para>
+    /// </remarks>
+    public class FastObjectListView : VirtualObjectListView
+    {
+        /// <summary>
+        /// Make a FastObjectListView
+        /// </summary>
+        public FastObjectListView() {
+            this.VirtualListDataSource = new FastObjectListDataSource(this);
+            this.GroupingStrategy = new FastListGroupingStrategy();
+        }
+
+        /// <summary>
+        /// Gets the collection of objects that survive any filtering that may be in place.
+        /// </summary>
+        [Browsable(false),
+            DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public override IEnumerable FilteredObjects {
+            get {
+                // This is much faster than the base method
+                return ((FastObjectListDataSource)this.VirtualListDataSource).FilteredObjectList;
+            }
+        }
+
+        /// <summary>
+        /// Get/set the collection of objects that this list will show
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The contents of the control will be updated immediately after setting this property.
+        /// </para>
+        /// <para>This method preserves selection, if possible. Use SetObjects() if
+        /// you do not want to preserve the selection. Preserving selection is the slowest part of this
+        /// code and performance is O(n) where n is the number of selected rows.</para>
+        /// <para>This method is not thread safe.</para>
+        /// </remarks>
+        [Browsable(false),
+         DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public override IEnumerable Objects {
+            get {
+                // This is much faster than the base method
+                return ((FastObjectListDataSource)this.VirtualListDataSource).ObjectList;
+            }
+            set { base.Objects = value; }
+        }
+
+        /// <summary>
+        /// Move the given collection of objects to the given index.
+        /// </summary>
+        /// <remarks>This operation only makes sense on non-grouped ObjectListViews.</remarks>
+        /// <param name="index"></param>
+        /// <param name="modelObjects"></param>
+        public override void MoveObjects(int index, ICollection modelObjects) {
+            if (this.InvokeRequired) {
+                this.Invoke((MethodInvoker)delegate() { this.MoveObjects(index, modelObjects); });
+                return;
+            }
+
+            // If any object that is going to be moved is before the point where the insertion 
+            // will occur, then we have to reduce the location of our insertion point
+            int displacedObjectCount = 0;
+            foreach (object modelObject in modelObjects) {
+                int i = this.IndexOf(modelObject);
+                if (i >= 0 && i <= index)
+                    displacedObjectCount++;
+            }
+            index -= displacedObjectCount;
+
+            this.BeginUpdate();
+            try {
+                this.RemoveObjects(modelObjects);
+                this.InsertObjects(index, modelObjects);
+            }
+            finally {
+                this.EndUpdate();
+            }
+        }
+
+        /// <summary>
+        /// Remove any sorting and revert to the given order of the model objects
+        /// </summary>
+        /// <remarks>To be really honest, Unsort() doesn't work on FastObjectListViews since
+        /// the original ordering of model objects is lost when Sort() is called. So this method
+        /// effectively just turns off sorting.</remarks>
+        public override void Unsort() {
+            this.ShowGroups = false;
+            this.PrimarySortColumn = null;
+            this.PrimarySortOrder = SortOrder.None;
+            this.SetObjects(this.Objects);
+        }
+    }
+
+    /// <summary>
+    /// Provide a data source for a FastObjectListView
+    /// </summary>
+    /// <remarks>
+    /// This class isn't intended to be used directly, but it is left as a public
+    /// class just in case someone wants to subclass it.
+    /// </remarks>
+    /// <remarks>
+    /// Create a FastObjectListDataSource
+    /// </remarks>
+    /// <param name="listView"></param>
+    public class FastObjectListDataSource(FastObjectListView listView) : AbstractVirtualListDataSource(listView)
+    {
+
+        #region IVirtualListDataSource Members
+
+        /// <summary>
+        /// Get n'th object
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public override object GetNthObject(int n) {
+            if (n >= 0 && n < this.filteredObjectList.Count)
+                return this.filteredObjectList[n];
+            
+            return null;
+        }
+
+        /// <summary>
+        /// How many items are in the data source
+        /// </summary>
+        /// <returns></returns>
+        public override int GetObjectCount() {
+            return this.filteredObjectList.Count;
+        }
+
+        /// <summary>
+        /// Get the index of the given model
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public override int GetObjectIndex(object model) {
+            int index;
+
+            if (model != null && this.objectsToIndexMap.TryGetValue(model, out index))
+                return index;
+            
+            return -1;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="text"></param>
+        /// <param name="first"></param>
+        /// <param name="last"></param>
+        /// <param name="column"></param>
+        /// <returns></returns>
+        public override int SearchText(string text, int first, int last, OLVColumn column) {
+            if (first <= last) {
+                for (int i = first; i <= last; i++) {
+                    string data = column.GetStringValue(this.listView.GetNthItemInDisplayOrder(i).RowObject);
+                    if (data.StartsWith(text, StringComparison.CurrentCultureIgnoreCase))
+                        return i;
+                }
+            } else {
+                for (int i = first; i >= last; i--) {
+                    string data = column.GetStringValue(this.listView.GetNthItemInDisplayOrder(i).RowObject);
+                    if (data.StartsWith(text, StringComparison.CurrentCultureIgnoreCase))
+                        return i;
+                }
+            }
+
+            return -1;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="column"></param>
+        /// <param name="sortOrder"></param>
+        public override void Sort(OLVColumn column, SortOrder sortOrder) {
+            if (sortOrder != SortOrder.None) {
+                ModelObjectComparer comparer = new ModelObjectComparer(column, sortOrder, this.listView.SecondarySortColumn, this.listView.SecondarySortOrder);
+                this.fullObjectList.Sort(comparer);
+                this.filteredObjectList.Sort(comparer);
+            }
+            this.RebuildIndexMap();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        public override void AddObjects(ICollection modelObjects) {
+            foreach (object modelObject in modelObjects) {
+                if (modelObject != null)
+                    this.fullObjectList.Add(modelObject);
+            }
+            this.FilterObjects();
+            this.RebuildIndexMap();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="index"></param>
+        /// <param name="modelObjects"></param>
+        public override void InsertObjects(int index, ICollection modelObjects) {
+            this.fullObjectList.InsertRange(index, modelObjects);
+            this.FilterObjects();
+            this.RebuildIndexMap();
+        }
+
+        /// <summary>
+        /// Remove the given collection of models from this source.
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        public override void RemoveObjects(ICollection modelObjects) {
+
+            // We have to unselect any object that is about to be deleted
+            List<int> indicesToRemove = new List<int>();
+            foreach (object modelObject in modelObjects) {
+                int i = this.GetObjectIndex(modelObject);
+                if (i >= 0)
+                    indicesToRemove.Add(i);
+            }
+
+            // Sort the indices from highest to lowest so that we
+            // remove latter ones before earlier ones. In this way, the
+            // indices of the rows doesn't change after the deletes.
+            indicesToRemove.Sort();
+            indicesToRemove.Reverse();
+
+            foreach (int i in indicesToRemove) 
+                this.listView.SelectedIndices.Remove(i);
+
+            // Remove the objects from the unfiltered list
+            foreach (object modelObject in modelObjects)
+                this.fullObjectList.Remove(modelObject);
+
+            this.FilterObjects();
+            this.RebuildIndexMap();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="collection"></param>
+        public override void SetObjects(IEnumerable collection) {
+            ArrayList newObjects = ObjectListView.EnumerableToArray(collection, true);
+
+            this.fullObjectList = newObjects;
+            this.FilterObjects();
+            this.RebuildIndexMap();
+        }
+
+        /// <summary>
+        /// Update/replace the nth object with the given object
+        /// </summary>
+        /// <param name="index"></param>
+        /// <param name="modelObject"></param>
+        public override void UpdateObject(int index, object modelObject) {
+            if (index < 0 || index >= this.filteredObjectList.Count)
+                return;
+
+            int i = this.fullObjectList.IndexOf(this.filteredObjectList[index]);
+            if (i < 0)
+                return;
+
+            if (ReferenceEquals(this.fullObjectList[i], modelObject))
+                return;
+
+            this.fullObjectList[i] = modelObject;
+            this.filteredObjectList[index] = modelObject;
+            this.objectsToIndexMap[modelObject] = index;
+        }
+
+        private ArrayList fullObjectList = new ArrayList();
+        private ArrayList filteredObjectList = new ArrayList();
+        private IModelFilter modelFilter;
+        private IListFilter listFilter;
+
+        #endregion
+
+        #region IFilterableDataSource Members
+
+        /// <summary>
+        /// Apply the given filters to this data source. One or both may be null.
+        /// </summary>
+        /// <param name="iModelFilter"></param>
+        /// <param name="iListFilter"></param>
+        public override void ApplyFilters(IModelFilter iModelFilter, IListFilter iListFilter) {
+            this.modelFilter = iModelFilter;
+            this.listFilter = iListFilter;
+            this.SetObjects(this.fullObjectList);
+        }
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Gets the full list of objects being used for this fast list. 
+        /// This list is unfiltered.
+        /// </summary>
+        public ArrayList ObjectList {
+            get { return fullObjectList; }
+        }
+
+        /// <summary>
+        /// Gets the list of objects from ObjectList which survive any installed filters.
+        /// </summary>
+        public ArrayList FilteredObjectList {
+            get { return filteredObjectList; }
+        }
+
+        /// <summary>
+        /// Rebuild the map that remembers which model object is displayed at which line
+        /// </summary>
+        protected void RebuildIndexMap() {
+            this.objectsToIndexMap.Clear();
+            for (int i = 0; i < this.filteredObjectList.Count; i++)
+                this.objectsToIndexMap[this.filteredObjectList[i]] = i;
+        }
+        readonly Dictionary<Object, int> objectsToIndexMap = new Dictionary<Object, int>();
+
+        /// <summary>
+        /// Build our filtered list from our full list.
+        /// </summary>
+        protected void FilterObjects() {
+
+            // If this list isn't filtered, we don't need to do anything else
+            if (!this.listView.UseFiltering) {
+                this.filteredObjectList = new ArrayList(this.fullObjectList);
+                return;
+            }
+
+            // Tell the world to filter the objects. If they do so, don't do anything else
+            // ReSharper disable PossibleMultipleEnumeration
+            FilterEventArgs args = new FilterEventArgs(this.fullObjectList);
+            this.listView.OnFilter(args);
+            if (args.FilteredObjects != null) {
+                this.filteredObjectList = ObjectListView.EnumerableToArray(args.FilteredObjects, false);
+                return;
+            }
+
+            IEnumerable objects = (this.listFilter == null) ?
+                this.fullObjectList : this.listFilter.Filter(this.fullObjectList);
+
+            // Apply the object filter if there is one
+            if (this.modelFilter == null) {
+                this.filteredObjectList = ObjectListView.EnumerableToArray(objects, false);
+            } else {
+                this.filteredObjectList = new ArrayList();
+                foreach (object model in objects) {
+                    if (this.modelFilter.Filter(model))
+                        this.filteredObjectList.Add(model);
+                }
+            }
+        }
+
+        #endregion
+    }
+
+}

ObjectListView/Filtering/Cluster.cs

@@ -0,0 +1,125 @@
+/*
+ * Cluster - Implements a simple cluster
+ *
+ * Author: Phillip Piper
+ * Date: 3-March-2011 10:53 pm
+ *
+ * Change log:
+ * 2011-03-03  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// Concrete implementation of the ICluster interface.
+    /// </summary>
+    public class Cluster : ICluster {
+
+        #region Life and death
+
+        /// <summary>
+        /// Create a cluster
+        /// </summary>
+        /// <param name="key">The key for the cluster</param>
+        public Cluster(object key) {
+            this.Count = 1;
+            this.ClusterKey = key;
+        }
+
+        #endregion
+
+        #region Public overrides
+
+        /// <summary>
+        /// Return a string representation of this cluster
+        /// </summary>
+        /// <returns></returns>
+        public override string ToString() {
+            return this.DisplayLabel ?? "[empty]";
+        }
+
+        #endregion
+
+        #region Implementation of ICluster
+
+        /// <summary>
+        /// Gets or sets how many items belong to this cluster
+        /// </summary>
+        public int Count {
+            get { return count; }
+            set { count = value; }
+        }
+        private int count;
+
+        /// <summary>
+        /// Gets or sets the label that will be shown to the user to represent
+        /// this cluster
+        /// </summary>
+        public string DisplayLabel {
+            get { return displayLabel; }
+            set { displayLabel = value; }
+        }
+        private string displayLabel;
+
+        /// <summary>
+        /// Gets or sets the actual data object that all members of this cluster
+        /// have commonly returned.
+        /// </summary>
+        public object ClusterKey {
+            get { return clusterKey; }
+            set { clusterKey = value; }
+        }
+        private object clusterKey;
+
+        #endregion
+
+        #region Implementation of IComparable
+
+        /// <summary>
+        /// Return an indication of the ordering between this object and the given one
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns></returns>
+        public int CompareTo(object other) {
+            if (other == null || other == System.DBNull.Value)
+                return 1;
+
+            ICluster otherCluster = other as ICluster;
+            if (otherCluster == null)
+                return 1;
+
+            string keyAsString = this.ClusterKey as string;
+            if (keyAsString != null)
+                return String.Compare(keyAsString, otherCluster.ClusterKey as string, StringComparison.CurrentCultureIgnoreCase);
+
+            IComparable keyAsComparable = this.ClusterKey as IComparable;
+            if (keyAsComparable != null)
+                return keyAsComparable.CompareTo(otherCluster.ClusterKey);
+
+            return -1;
+        }
+
+        #endregion
+    }
+}

ObjectListView/Filtering/ClusteringStrategy.cs

@@ -0,0 +1,189 @@
+/*
+ * ClusteringStrategy - Implements a simple clustering strategy
+ *
+ * Author: Phillip Piper
+ * Date: 3-March-2011 10:53 pm
+ *
+ * Change log:
+ * 2011-03-03  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Text;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// This class provides a useful base implemention of a clustering
+    /// strategy where the clusters are grouped around the value of a given column.
+    /// </summary>
+    public class ClusteringStrategy : IClusteringStrategy {
+
+        #region Static properties
+
+        /// <summary>
+        /// This field is the text that will be shown to the user when a cluster
+        /// key is null. It is exposed so it can be localized.
+        /// </summary>
+        static public string NULL_LABEL = "[null]";
+
+        /// <summary>
+        /// This field is the text that will be shown to the user when a cluster
+        /// key is empty (i.e. a string of zero length). It is exposed so it can be localized.
+        /// </summary>
+        static public string EMPTY_LABEL = "[empty]";
+
+        /// <summary>
+        /// Gets or sets the format that will be used by default for clusters that only
+        /// contain 1 item. The format string must accept two placeholders:
+        /// - {0} is the cluster key converted to a string
+        /// - {1} is the number of items in the cluster (always 1 in this case)
+        /// </summary>
+        static public string DefaultDisplayLabelFormatSingular {
+            get { return defaultDisplayLabelFormatSingular; }
+            set { defaultDisplayLabelFormatSingular = value; }
+        }
+        static private string defaultDisplayLabelFormatSingular = "{0} ({1} item)";
+
+        /// <summary>
+        /// Gets or sets the format that will be used by default for clusters that 
+        /// contain 0 or two or more items. The format string must accept two placeholders:
+        /// - {0} is the cluster key converted to a string
+        /// - {1} is the number of items in the cluster
+        /// </summary>
+        static public string DefaultDisplayLabelFormatPlural {
+            get { return defaultDisplayLabelFormatPural; }
+            set { defaultDisplayLabelFormatPural = value; }
+        }
+        static private string defaultDisplayLabelFormatPural = "{0} ({1} items)";
+
+        #endregion
+
+        #region Life and death
+
+        /// <summary>
+        /// Create a clustering strategy
+        /// </summary>
+        public ClusteringStrategy() {
+            this.DisplayLabelFormatSingular = DefaultDisplayLabelFormatSingular;
+            this.DisplayLabelFormatPlural = DefaultDisplayLabelFormatPlural;
+        }
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets the column upon which this strategy is operating
+        /// </summary>
+        public OLVColumn Column {
+            get { return column; }
+            set { column = value; }
+        }
+        private OLVColumn column;
+
+        /// <summary>
+        /// Gets or sets the format that will be used when the cluster
+        /// contains only 1 item. The format string must accept two placeholders:
+        /// - {0} is the cluster key converted to a string
+        /// - {1} is the number of items in the cluster (always 1 in this case)
+        /// </summary>
+        /// <remarks>If this is not set, the value from 
+        /// ClusteringStrategy.DefaultDisplayLabelFormatSingular will be used</remarks>
+        public string DisplayLabelFormatSingular {
+            get { return displayLabelFormatSingular; }
+            set { displayLabelFormatSingular = value; }
+        }
+        private string displayLabelFormatSingular;
+
+        /// <summary>
+        /// Gets or sets the format that will be used when the cluster 
+        /// contains 0 or two or more items. The format string must accept two placeholders:
+        /// - {0} is the cluster key converted to a string
+        /// - {1} is the number of items in the cluster
+        /// </summary>
+        /// <remarks>If this is not set, the value from 
+        /// ClusteringStrategy.DefaultDisplayLabelFormatPlural will be used</remarks>
+        public string DisplayLabelFormatPlural {
+            get { return displayLabelFormatPural; }
+            set { displayLabelFormatPural = value; }
+        }
+        private string displayLabelFormatPural;
+
+        #endregion
+
+        #region ICluster implementation
+
+        /// <summary>
+        /// Get the cluster key by which the given model will be partitioned by this strategy
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        virtual public object GetClusterKey(object model) {
+            return this.Column.GetValue(model);
+        }
+
+        /// <summary>
+        /// Create a cluster to hold the given cluster key
+        /// </summary>
+        /// <param name="clusterKey"></param>
+        /// <returns></returns>
+        virtual public ICluster CreateCluster(object clusterKey) {
+            return new Cluster(clusterKey);
+        }
+
+        /// <summary>
+        /// Gets the display label that the given cluster should use
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <returns></returns>
+        virtual public string GetClusterDisplayLabel(ICluster cluster) {
+            string s = this.Column.ValueToString(cluster.ClusterKey) ?? NULL_LABEL;
+            if (String.IsNullOrEmpty(s)) 
+                s = EMPTY_LABEL;
+            return this.ApplyDisplayFormat(cluster, s);
+        }
+
+        /// <summary>
+        /// Create a filter that will include only model objects that
+        /// match one or more of the given values.
+        /// </summary>
+        /// <param name="valuesChosenForFiltering"></param>
+        /// <returns></returns>
+        virtual public IModelFilter CreateFilter(IList valuesChosenForFiltering) {
+            return new OneOfFilter(this.GetClusterKey, valuesChosenForFiltering);
+        }
+
+        /// <summary>
+        /// Create a label that combines the string representation of the cluster
+        /// key with a format string that holds an "X [N items in cluster]" type layout.
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <param name="s"></param>
+        /// <returns></returns>
+        virtual protected string ApplyDisplayFormat(ICluster cluster, string s) {
+            string format = (cluster.Count == 1) ? this.DisplayLabelFormatSingular : this.DisplayLabelFormatPlural;
+            return String.IsNullOrEmpty(format) ? s : String.Format(format, s, cluster.Count);
+        }
+
+        #endregion
+    }
+}

ObjectListView/Filtering/ClustersFromGroupsStrategy.cs

@@ -0,0 +1,70 @@
+/*
+ * ClusteringStrategy - Implements a simple clustering strategy
+ *
+ * Author: Phillip Piper
+ * Date: 1-April-2011 8:12am
+ *
+ * Change log:
+ * 2011-04-01  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// This class calculates clusters from the groups that the column uses.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This is the default strategy for all non-date, filterable columns.
+    /// </para>
+    /// <para>
+    /// This class does not strictly mimic the groups created by the given column.
+    /// In particular, if the programmer changes the default grouping technique
+    /// by listening for grouping events, this class will not mimic that behaviour.
+    /// </para>
+    /// </remarks>
+    public class ClustersFromGroupsStrategy : ClusteringStrategy {
+
+        /// <summary>
+        /// Get the cluster key by which the given model will be partitioned by this strategy
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public override object GetClusterKey(object model) {
+            return this.Column.GetGroupKey(model);
+        }
+
+        /// <summary>
+        /// Gets the display label that the given cluster should use
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <returns></returns>
+        public override string GetClusterDisplayLabel(ICluster cluster) {
+            string s = this.Column.ConvertGroupKeyToTitle(cluster.ClusterKey);
+            if (String.IsNullOrEmpty(s)) 
+                s = EMPTY_LABEL;
+            return this.ApplyDisplayFormat(cluster, s);
+        }
+    }
+}

ObjectListView/Filtering/DateTimeClusteringStrategy.cs

@@ -0,0 +1,187 @@
+/*
+ * DateTimeClusteringStrategy - A strategy to cluster objects by a date time
+ *
+ * Author: Phillip Piper
+ * Date: 30-March-2011 9:40am
+ *
+ * Change log:
+ * 2011-03-30  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Globalization;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// This enum is used to indicate various portions of a datetime
+    /// </summary>
+    [Flags]
+    public enum DateTimePortion {
+        /// <summary>
+        /// Year
+        /// </summary>
+        Year = 0x01,
+        
+        /// <summary>
+        /// Month
+        /// </summary>
+        Month = 0x02,
+        
+        /// <summary>
+        /// Day of the month
+        /// </summary>
+        Day = 0x04,
+        
+        /// <summary>
+        /// Hour
+        /// </summary>
+        Hour = 0x08,
+        
+        /// <summary>
+        /// Minute
+        /// </summary>
+        Minute = 0x10,
+
+        /// <summary>
+        /// Second
+        /// </summary>
+        Second = 0x20
+    }
+
+    /// <summary>
+    /// This class implements a strategy where the model objects are clustered
+    /// according to some portion of the datetime value in the configured column.
+    /// </summary>
+    /// <remarks>To create a strategy that grouped people who were born in
+    /// the same month, you would create a strategy that extracted just
+    /// the month, and formatted it to show just the month's name. Like this:
+    /// </remarks>
+    /// <example>
+    /// someColumn.ClusteringStrategy = new DateTimeClusteringStrategy(DateTimePortion.Month, "MMMM");
+    /// </example>
+    public class DateTimeClusteringStrategy : ClusteringStrategy {
+        #region Life and death
+
+        /// <summary>
+        /// Create a strategy that clusters by month/year
+        /// </summary>
+        public DateTimeClusteringStrategy()
+            : this(DateTimePortion.Year | DateTimePortion.Month, "MMMM yyyy") {
+        }
+
+        /// <summary>
+        /// Create a strategy that clusters around the given parts
+        /// </summary>
+        /// <param name="portions"></param>
+        /// <param name="format"></param>
+        public DateTimeClusteringStrategy(DateTimePortion portions, string format) {
+            this.Portions = portions;
+            this.Format = format;
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets the format string will will be used to create a user-presentable
+        /// version of the cluster key.
+        /// </summary>
+        /// <remarks>The format should use the date/time format strings, as documented
+        /// in the Windows SDK. Both standard formats and custom format will work.</remarks>
+        /// <example>"D" - long date pattern</example>
+        /// <example>"MMMM, yyyy" - "January, 1999"</example>
+        public string Format {
+            get { return format;  }
+            set { format = value;  }
+        }
+        private string format;
+
+        /// <summary>
+        /// Gets or sets the parts of the DateTime that will be extracted when
+        /// determining the clustering key for an object.
+        /// </summary>
+        public DateTimePortion Portions {
+            get { return portions;  }
+            set { portions = value;  }
+        }
+        private DateTimePortion portions = DateTimePortion.Year | DateTimePortion.Month;
+
+        #endregion
+
+        #region IClusterStrategy implementation
+
+        /// <summary>
+        /// Get the cluster key by which the given model will be partitioned by this strategy
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public override object GetClusterKey(object model) {
+            // Get the data attribute we want from the given model
+            // Make sure the returned value is a DateTime
+            DateTime? dateTime = this.Column.GetValue(model) as DateTime?;
+            if (!dateTime.HasValue)
+                return null;
+
+            // Extract the parts of the datetime that we are intereted in.
+            // Even if we aren't interested in a particular portion, we still have to give it a reasonable default
+            // otherwise we won't be able to build a DateTime object for it
+            int year = ((this.Portions & DateTimePortion.Year) == DateTimePortion.Year) ? dateTime.Value.Year : 1;
+            int month = ((this.Portions & DateTimePortion.Month) == DateTimePortion.Month) ? dateTime.Value.Month : 1;
+            int day = ((this.Portions & DateTimePortion.Day) == DateTimePortion.Day) ? dateTime.Value.Day : 1;
+            int hour = ((this.Portions & DateTimePortion.Hour) == DateTimePortion.Hour) ? dateTime.Value.Hour : 0;
+            int minute = ((this.Portions & DateTimePortion.Minute) == DateTimePortion.Minute) ? dateTime.Value.Minute : 0;
+            int second = ((this.Portions & DateTimePortion.Second) == DateTimePortion.Second) ? dateTime.Value.Second : 0;
+
+            return new DateTime(year, month, day, hour, minute, second);
+        }
+
+        /// <summary>
+        /// Gets the display label that the given cluster should use
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <returns></returns>
+        public override string GetClusterDisplayLabel(ICluster cluster) {
+            DateTime? dateTime = cluster.ClusterKey as DateTime?; 
+
+            return this.ApplyDisplayFormat(cluster, dateTime.HasValue ? this.DateToString(dateTime.Value) : NULL_LABEL);
+        }
+
+        /// <summary>
+        /// Convert the given date into a user presentable string
+        /// </summary>
+        /// <param name="dateTime"></param>
+        /// <returns></returns>
+        protected virtual string DateToString(DateTime dateTime) {
+            if (String.IsNullOrEmpty(this.Format))
+                return dateTime.ToString(CultureInfo.CurrentUICulture);
+
+            try {
+                return dateTime.ToString(this.Format);
+            }
+            catch (FormatException) {
+                return String.Format("Bad format string '{0}' for value '{1}'", this.Format, dateTime);
+            }
+        }
+    
+        #endregion
+    }
+}

ObjectListView/Filtering/FilterMenuBuilder.cs

@@ -0,0 +1,369 @@
+/*
+ * FilterMenuBuilder - Responsible for creating a Filter menu
+ *
+ * Author: Phillip Piper
+ * Date: 4-March-2011 11:59 pm
+ *
+ * Change log:
+ * 2012-05-20  JPP  - Allow the same model object to be in multiple clusters
+ *                    Useful for xor'ed flag fields, and multi-value strings
+ *                    (e.g. hobbies that are stored as comma separated values).
+ * v2.5.1
+ * 2012-04-14  JPP  - Fixed rare bug with clustering an empty list (SF #3445118)
+ * v2.5
+ * 2011-04-12  JPP  - Added some images to menu
+ * 2011-03-04  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.Collections;
+using System.Drawing;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// Instances of this class know how to build a Filter menu.
+    /// It is responsible for clustering the values in the target column,
+    /// build a menu that shows those clusters, and then constructing
+    /// a filter that will enact the users choices.
+    /// </summary>
+    /// <remarks>
+    /// Almost all of the methods in this class are declared as "virtual protected"
+    /// so that subclasses can provide alternative behaviours.
+    /// </remarks>
+    public class FilterMenuBuilder {
+
+        #region Static properties
+
+        /// <summary>
+        /// Gets or sets the string that labels the Apply button.
+        /// Exposed so it can be localized.
+        /// </summary>
+        static public string APPLY_LABEL = "Apply";
+
+        /// <summary>
+        /// Gets or sets the string that labels the Clear All menu item.
+        /// Exposed so it can be localized.
+        /// </summary>
+        static public string CLEAR_ALL_FILTERS_LABEL = "Clear All Filters";
+
+        /// <summary>
+        /// Gets or sets the string that labels the Filtering menu as a whole..
+        /// Exposed so it can be localized.
+        /// </summary>
+        static public string FILTERING_LABEL = "Filtering";
+
+        /// <summary>
+        /// Gets or sets the string that represents Select All values.
+        /// If this is set to null or empty, no Select All option will be included.
+        /// Exposed so it can be localized.
+        /// </summary>
+        static public string SELECT_ALL_LABEL = "Select All";
+
+        /// <summary>
+        /// Gets or sets the image that will be placed next to the Clear Filtering menu item
+        /// </summary>
+        static public Bitmap ClearFilteringImage = BrightIdeasSoftware.Properties.Resources.ClearFiltering;
+
+        /// <summary>
+        /// Gets or sets the image that will be placed next to all "Apply" menu items on the filtering menu
+        /// </summary>
+        static public Bitmap FilteringImage = BrightIdeasSoftware.Properties.Resources.Filtering;
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets whether null should be considered as a valid data value.
+        /// If this is true (the default), then a cluster will null as a key will be allow.
+        /// If this is false, object that return a cluster key of null will ignored.
+        /// </summary>
+        public bool TreatNullAsDataValue {
+            get { return treatNullAsDataValue; }
+            set { treatNullAsDataValue = value; }
+        }
+        private bool treatNullAsDataValue = true;
+
+        /// <summary>
+        /// Gets or sets the maximum number of objects that the clustering strategy
+        /// will consider. This should be large enough to collect all unique clusters,
+        /// but small enough to finish in a reasonable time.
+        /// </summary>
+        /// <remarks>The default value is 10,000. This should be perfectly
+        /// acceptable for almost all lists.</remarks>
+        public int MaxObjectsToConsider {
+            get { return maxObjectsToConsider; }
+            set { maxObjectsToConsider = value; }
+        }
+        private int maxObjectsToConsider = 10000;
+
+        #endregion
+
+        /// <summary>
+        /// Create a Filter menu on the given tool tip for the given column in the given ObjectListView.
+        /// </summary>
+        /// <remarks>This is the main entry point into this class.</remarks>
+        /// <param name="strip"></param>
+        /// <param name="listView"></param>
+        /// <param name="column"></param>
+        /// <returns>The strip that should be shown to the user</returns>
+        virtual public ToolStripDropDown MakeFilterMenu(ToolStripDropDown strip, ObjectListView listView, OLVColumn column) {
+            if (strip == null) throw new ArgumentNullException("strip");
+            if (listView == null) throw new ArgumentNullException("listView");
+            if (column == null) throw new ArgumentNullException("column");
+
+            if (!column.UseFiltering || column.ClusteringStrategy == null || listView.Objects == null)
+                return strip;
+
+            List<ICluster> clusters = this.Cluster(column.ClusteringStrategy, listView, column);
+            if (clusters.Count > 0) {
+                this.SortClusters(column.ClusteringStrategy, clusters);
+                strip.Items.Add(this.CreateFilteringMenuItem(column, clusters));
+            }
+
+            return strip;
+        }
+
+        /// <summary>
+        /// Create a collection of clusters that should be presented to the user
+        /// </summary>
+        /// <param name="strategy"></param>
+        /// <param name="listView"></param>
+        /// <param name="column"></param>
+        /// <returns></returns>
+        virtual protected List<ICluster> Cluster(IClusteringStrategy strategy, ObjectListView listView, OLVColumn column) {
+            // Build a map that correlates cluster key to clusters
+            NullableDictionary<object, ICluster> map = new NullableDictionary<object, ICluster>();
+            int count = 0;
+            foreach (object model in listView.ObjectsForClustering) {
+                this.ClusterOneModel(strategy, map, model);
+
+                if (count++ > this.MaxObjectsToConsider)
+                    break;
+            }
+
+            // Now that we know exactly how many items are in each cluster, create a label for it
+            foreach (ICluster cluster in map.Values)
+                cluster.DisplayLabel = strategy.GetClusterDisplayLabel(cluster);
+
+            return new List<ICluster>(map.Values);
+        }
+
+        private void ClusterOneModel(IClusteringStrategy strategy, NullableDictionary<object, ICluster> map, object model) {
+            object clusterKey = strategy.GetClusterKey(model);
+
+            // If the returned value is an IEnumerable, that means the given model can belong to more than one cluster
+            IEnumerable keyEnumerable = clusterKey as IEnumerable;
+            if (clusterKey is string || keyEnumerable == null)
+                keyEnumerable = new object[] {clusterKey};
+
+            // Deal with nulls and DBNulls
+            ArrayList nullCorrected = new ArrayList();
+            foreach (object key in keyEnumerable) {
+                if (key == null || key == System.DBNull.Value) {
+                    if (this.TreatNullAsDataValue)
+                        nullCorrected.Add(null);
+                } else nullCorrected.Add(key);
+            }
+
+            // Group by key
+            foreach (object key in nullCorrected) {
+                if (map.ContainsKey(key))
+                    map[key].Count += 1;
+                else
+                    map[key] = strategy.CreateCluster(key);
+            }
+        }
+
+        /// <summary>
+        /// Order the given list of clusters in the manner in which they should be presented to the user.
+        /// </summary>
+        /// <param name="strategy"></param>
+        /// <param name="clusters"></param>
+        virtual protected void SortClusters(IClusteringStrategy strategy, List<ICluster> clusters) {
+            clusters.Sort();
+        }
+
+        /// <summary>
+        /// Do the work of making a menu that shows the clusters to the users
+        /// </summary>
+        /// <param name="column"></param>
+        /// <param name="clusters"></param>
+        /// <returns></returns>
+        virtual protected ToolStripMenuItem CreateFilteringMenuItem(OLVColumn column, List<ICluster> clusters) {
+            ToolStripCheckedListBox checkedList = new ToolStripCheckedListBox();
+            checkedList.Tag = column;
+            foreach (ICluster cluster in clusters)
+                checkedList.AddItem(cluster, column.ValuesChosenForFiltering.Contains(cluster.ClusterKey));
+            if (!String.IsNullOrEmpty(SELECT_ALL_LABEL)) {
+                int checkedCount = checkedList.CheckedItems.Count;
+                if (checkedCount == 0)
+                    checkedList.AddItem(SELECT_ALL_LABEL, CheckState.Unchecked);
+                else
+                    checkedList.AddItem(SELECT_ALL_LABEL, checkedCount == clusters.Count ? CheckState.Checked : CheckState.Indeterminate);
+            }
+            checkedList.ItemCheck += new ItemCheckEventHandler(HandleItemCheckedWrapped);
+
+            ToolStripMenuItem clearAll = new ToolStripMenuItem(CLEAR_ALL_FILTERS_LABEL, ClearFilteringImage, delegate(object sender, EventArgs args) {
+                this.ClearAllFilters(column);
+            });
+            ToolStripMenuItem apply = new ToolStripMenuItem(APPLY_LABEL, FilteringImage, delegate(object sender, EventArgs args) {
+                this.EnactFilter(checkedList, column);
+            });
+            ToolStripMenuItem subMenu = new ToolStripMenuItem(FILTERING_LABEL, null, new ToolStripItem[] { 
+                clearAll, new ToolStripSeparator(), checkedList, apply });
+            return subMenu;
+        }
+
+        /// <summary>
+        /// Wrap a protected section around the real HandleItemChecked method, so that if
+        /// that method tries to change a "checkedness" of an item, we don't get a recursive 
+        /// stack error. Effectively, this ensure that HandleItemChecked is only called
+        /// in response to a user action.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void HandleItemCheckedWrapped(object sender, ItemCheckEventArgs e) {
+            if (alreadyInHandleItemChecked)
+                return;
+
+            try {
+                alreadyInHandleItemChecked = true;
+                this.HandleItemChecked(sender, e);
+            }
+            finally {
+                alreadyInHandleItemChecked = false;
+            }
+        }
+        bool alreadyInHandleItemChecked = false;
+
+        /// <summary>
+        /// Handle a user-generated ItemCheck event
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        virtual protected void HandleItemChecked(object sender, ItemCheckEventArgs e) {
+
+            ToolStripCheckedListBox checkedList = sender as ToolStripCheckedListBox;
+            if (checkedList == null) return;
+            OLVColumn column = checkedList.Tag as OLVColumn;
+            if (column == null) return;
+            ObjectListView listView = column.ListView as ObjectListView;
+            if (listView == null) return;
+
+            // Deal with the "Select All" item if there is one
+            int selectAllIndex = checkedList.Items.IndexOf(SELECT_ALL_LABEL);
+            if (selectAllIndex >= 0)
+                HandleSelectAllItem(e, checkedList, selectAllIndex);
+        }
+
+        /// <summary>
+        /// Handle any checking/unchecking of the Select All option, and keep
+        /// its checkedness in sync with everything else that is checked.
+        /// </summary>
+        /// <param name="e"></param>
+        /// <param name="checkedList"></param>
+        /// <param name="selectAllIndex"></param>
+        virtual protected void HandleSelectAllItem(ItemCheckEventArgs e, ToolStripCheckedListBox checkedList, int selectAllIndex) {
+            // Did they check/uncheck the "Select All"?
+            if (e.Index == selectAllIndex) {
+                if (e.NewValue == CheckState.Checked)
+                    checkedList.CheckAll();
+                if (e.NewValue == CheckState.Unchecked)
+                    checkedList.UncheckAll();
+                return;
+            }
+
+            // OK. The user didn't check/uncheck SelectAll. Now we have to update it's
+            // checkedness to reflect the state of everything else
+            // If all clusters are checked, we check the Select All.
+            // If no clusters are checked, the uncheck the Select All.
+            // For everything else, Select All is set to indeterminate.
+
+            // How many items are currenty checked? 
+            int count = checkedList.CheckedItems.Count;
+
+            // First complication.
+            // The value of the Select All itself doesn't count
+            if (checkedList.GetItemCheckState(selectAllIndex) != CheckState.Unchecked)
+                count -= 1;
+
+            // Another complication.
+            // CheckedItems does not yet know about the item the user has just
+            // clicked, so we have to adjust the count of checked items to what
+            // it is going to be
+            if (e.NewValue != e.CurrentValue) {
+                if (e.NewValue == CheckState.Checked)
+                    count += 1;
+                else
+                    count -= 1;
+            }
+
+            // Update the state of the Select All item
+            if (count == 0)
+                checkedList.SetItemState(selectAllIndex, CheckState.Unchecked);
+            else if (count == checkedList.Items.Count - 1)
+                checkedList.SetItemState(selectAllIndex, CheckState.Checked);
+            else
+                checkedList.SetItemState(selectAllIndex, CheckState.Indeterminate);
+        }
+
+        /// <summary>
+        /// Clear all the filters that are applied to the given column
+        /// </summary>
+        /// <param name="column">The column from which filters are to be removed</param>
+        virtual protected void ClearAllFilters(OLVColumn column) {
+
+            ObjectListView olv = column.ListView as ObjectListView;
+            if (olv == null || olv.IsDisposed)
+                return;
+
+            olv.ResetColumnFiltering();
+        }
+
+        /// <summary>
+        /// Apply the selected values from the given list as a filter on the given column
+        /// </summary>
+        /// <param name="checkedList">A list in which the checked items should be used as filters</param>
+        /// <param name="column">The column for which a filter should be generated</param>
+        virtual protected void EnactFilter(ToolStripCheckedListBox checkedList, OLVColumn column) {
+            
+            ObjectListView olv = column.ListView as ObjectListView;
+            if (olv == null || olv.IsDisposed)
+                return;
+
+            // Collect all the checked values
+            ArrayList chosenValues = new ArrayList();
+            foreach (object x in checkedList.CheckedItems) {
+                ICluster cluster = x as ICluster;
+                if (cluster != null) {
+                    chosenValues.Add(cluster.ClusterKey);
+                }
+            }
+            column.ValuesChosenForFiltering = chosenValues;
+
+            olv.UpdateColumnFiltering();
+        }
+    }
+}

ObjectListView/Filtering/Filters.cs

@@ -0,0 +1,481 @@
+/*
+ * Filters - Filtering on ObjectListViews
+ *
+ * Author: Phillip Piper
+ * Date: 03/03/2010 17:00 
+ *
+ * Change log:
+ * 2011-03-01  JPP  Added CompositeAllFilter, CompositeAnyFilter and OneOfFilter
+ * v2.4.1
+ * 2010-06-23  JPP  Extended TextMatchFilter to handle regular expressions and string prefix matching.
+ * v2.4
+ * 2010-03-03  JPP  Initial version
+ *
+ * TO DO:
+ *
+ * Copyright (C) 2010-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using System.Reflection;
+using System.Drawing;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// Interface for model-by-model filtering
+    /// </summary>
+    public interface IModelFilter
+    {
+        /// <summary>
+        /// Should the given model be included when this filter is installed
+        /// </summary>
+        /// <param name="modelObject">The model object to consider</param>
+        /// <returns>Returns true if the model will be included by the filter</returns>
+        bool Filter(object modelObject);
+    }
+
+    /// <summary>
+    /// Interface for whole list filtering
+    /// </summary>
+    public interface IListFilter
+    {
+        /// <summary>
+        /// Return a subset of the given list of model objects as the new
+        /// contents of the ObjectListView
+        /// </summary>
+        /// <param name="modelObjects">The collection of model objects that the list will possibly display</param>
+        /// <returns>The filtered collection that holds the model objects that will be displayed.</returns>
+        IEnumerable Filter(IEnumerable modelObjects);
+    }
+
+    /// <summary>
+    /// Base class for model-by-model filters
+    /// </summary>
+    public class AbstractModelFilter : IModelFilter
+    {
+        /// <summary>
+        /// Should the given model be included when this filter is installed
+        /// </summary>
+        /// <param name="modelObject">The model object to consider</param>
+        /// <returns>Returns true if the model will be included by the filter</returns>
+        virtual public bool Filter(object modelObject) {
+            return true;
+        }
+    }
+
+    /// <summary>
+    /// This filter calls a given Predicate to decide if a model object should be included
+    /// </summary>
+    public class ModelFilter : IModelFilter
+    {
+        /// <summary>
+        /// Create a filter based on the given predicate
+        /// </summary>
+        /// <param name="predicate">The function that will filter objects</param>
+        public ModelFilter(Predicate<object> predicate) {
+            this.Predicate = predicate;
+        }
+
+        /// <summary>
+        /// Gets or sets the predicate used to filter model objects
+        /// </summary>
+        protected Predicate<object> Predicate {
+            get { return predicate; }
+            set { predicate = value; }
+        }
+        private Predicate<object> predicate;
+
+        /// <summary>
+        /// Should the given model object be included?
+        /// </summary>
+        /// <param name="modelObject"></param>
+        /// <returns></returns>
+        virtual public bool Filter(object modelObject) {
+            return this.Predicate == null ? true : this.Predicate(modelObject);
+        }
+    }
+
+    /// <summary>
+    /// A CompositeFilter joins several other filters together.
+    /// If there are no filters, all model objects are included
+    /// </summary>
+    abstract public class CompositeFilter : IModelFilter {
+
+        /// <summary>
+        /// Create an empty filter
+        /// </summary>
+        public CompositeFilter() {
+        }
+
+        /// <summary>
+        /// Create a composite filter from the given list of filters
+        /// </summary>
+        /// <param name="filters">A list of filters</param>
+        public CompositeFilter(IEnumerable<IModelFilter> filters) {
+            foreach (IModelFilter filter in filters) {
+                if (filter != null)
+                    Filters.Add(filter);
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the filters used by this composite
+        /// </summary>
+        public IList<IModelFilter> Filters {
+            get { return filters; }
+            set { filters = value; }
+        }
+        private IList<IModelFilter> filters = new List<IModelFilter>();
+
+        /// <summary>
+        /// Get the sub filters that are text match filters
+        /// </summary>
+        public IEnumerable<TextMatchFilter> TextFilters {
+            get {
+                foreach (IModelFilter filter in this.Filters) {
+                    TextMatchFilter textFilter = filter as TextMatchFilter;
+                    if (textFilter != null)
+                        yield return textFilter;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Decide whether or not the given model should be included by the filter
+        /// </summary>
+        /// <param name="modelObject"></param>
+        /// <returns>True if the object is included by the filter</returns>
+        virtual public bool Filter(object modelObject) {
+            if (this.Filters == null || this.Filters.Count == 0)
+                return true;
+
+            return this.FilterObject(modelObject);
+        }
+
+        /// <summary>
+        /// Decide whether or not the given model should be included by the filter
+        /// </summary>
+        /// <remarks>Filters is guaranteed to be non-empty when this method is called</remarks>
+        /// <param name="modelObject">The model object under consideration</param>
+        /// <returns>True if the object is included by the filter</returns>
+        abstract public bool FilterObject(object modelObject);
+    }
+
+    /// <summary>
+    /// A CompositeAllFilter joins several other filters together.
+    /// A model object must satisfy all filters to be included.
+    /// If there are no filters, all model objects are included
+    /// </summary>
+    /// <remarks>
+    /// Create a filter
+    /// </remarks>
+    /// <param name="filters"></param>
+    public class CompositeAllFilter(List<IModelFilter> filters) : CompositeFilter(filters) {
+
+        /// <summary>
+        /// Decide whether or not the given model should be included by the filter
+        /// </summary>
+        /// <remarks>Filters is guaranteed to be non-empty when this method is called</remarks>
+        /// <param name="modelObject">The model object under consideration</param>
+        /// <returns>True if the object is included by the filter</returns>
+        override public bool FilterObject(object modelObject) {
+            foreach (IModelFilter filter in this.Filters)
+                if (!filter.Filter(modelObject))
+                    return false;
+
+            return true;
+        }
+    }
+
+    /// <summary>
+    /// A CompositeAllFilter joins several other filters together.
+    /// A model object must only satisfy one of the filters to be included.
+    /// If there are no filters, all model objects are included
+    /// </summary>
+    /// <remarks>
+    /// Create a filter from the given filters
+    /// </remarks>
+    /// <param name="filters"></param>
+    public class CompositeAnyFilter(List<IModelFilter> filters) : CompositeFilter(filters) {
+
+        /// <summary>
+        /// Decide whether or not the given model should be included by the filter
+        /// </summary>
+        /// <remarks>Filters is guaranteed to be non-empty when this method is called</remarks>
+        /// <param name="modelObject">The model object under consideration</param>
+        /// <returns>True if the object is included by the filter</returns>
+        override public bool FilterObject(object modelObject) {
+            foreach (IModelFilter filter in this.Filters)
+                if (filter.Filter(modelObject))
+                    return true;
+
+            return false;
+        }
+    }
+
+    /// <summary>
+    /// Instances of this class extract a value from the model object
+    /// and compare that value to a list of fixed values. The model
+    /// object is included if the extracted value is in the list
+    /// </summary>
+    /// <remarks>If there is no delegate installed or there are
+    /// no values to match, no model objects will be matched</remarks>
+    public class OneOfFilter : IModelFilter {
+
+        /// <summary>
+        /// Create a filter that will use the given delegate to extract values
+        /// </summary>
+        /// <param name="valueGetter"></param>
+        public OneOfFilter(AspectGetterDelegate valueGetter) :
+            this(valueGetter, new ArrayList()) {
+        }
+
+        /// <summary>
+        /// Create a filter that will extract values using the given delegate
+        /// and compare them to the values in the given list.
+        /// </summary>
+        /// <param name="valueGetter"></param>
+        /// <param name="possibleValues"></param>
+        public OneOfFilter(AspectGetterDelegate valueGetter, ICollection possibleValues) {
+            this.ValueGetter = valueGetter;
+            this.PossibleValues = new ArrayList(possibleValues);
+        }
+
+        /// <summary>
+        /// Gets or sets the delegate that will be used to extract values
+        /// from model objects
+        /// </summary>
+        virtual public AspectGetterDelegate ValueGetter {
+            get { return valueGetter; }
+            set { valueGetter = value; }
+        }
+        private AspectGetterDelegate valueGetter;
+
+        /// <summary>
+        /// Gets or sets the list of values that the value extracted from
+        /// the model object must match in order to be included.
+        /// </summary>
+        virtual public IList PossibleValues {
+            get { return possibleValues; }
+            set { possibleValues = value; }
+        }
+        private IList possibleValues;
+
+        /// <summary>
+        /// Should the given model object be included?
+        /// </summary>
+        /// <param name="modelObject"></param>
+        /// <returns></returns>
+        public virtual bool Filter(object modelObject) {
+            if (this.ValueGetter == null || this.PossibleValues == null || this.PossibleValues.Count == 0)
+                return false;
+
+            object result = this.ValueGetter(modelObject);
+            IEnumerable enumerable = result as IEnumerable;
+            if (result is string || enumerable == null)
+                return this.DoesValueMatch(result);
+
+            foreach (object x in enumerable) {
+                if (this.DoesValueMatch(x))
+                    return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Decides if the given property is a match for the values in the PossibleValues collection
+        /// </summary>
+        /// <param name="result"></param>
+        /// <returns></returns>
+        protected virtual bool DoesValueMatch(object result) {
+            return this.PossibleValues.Contains(result);
+        }
+    }
+
+    /// <summary>
+    /// Instances of this class match a property of a model objects against
+    /// a list of bit flags. The property should be an xor-ed collection
+    /// of bits flags.
+    /// </summary>
+    /// <remarks>Both the property compared and the list of possible values 
+    /// must be convertible to ulongs.</remarks>
+    public class FlagBitSetFilter : OneOfFilter {
+
+        /// <summary>
+        /// Create an instance
+        /// </summary>
+        /// <param name="valueGetter"></param>
+        /// <param name="possibleValues"></param>
+        public FlagBitSetFilter(AspectGetterDelegate valueGetter, ICollection possibleValues) : base(valueGetter, possibleValues) {
+            this.ConvertPossibleValues();
+        }
+
+        /// <summary>
+        /// Gets or sets the collection of values that will be matched.
+        /// These must be ulongs (or convertible to ulongs).
+        /// </summary>
+        public override IList PossibleValues {
+            get { return base.PossibleValues; }
+            set {
+                base.PossibleValues = value;
+                this.ConvertPossibleValues();
+            }
+        }
+
+        private void ConvertPossibleValues() {
+            this.possibleValuesAsUlongs = new List<UInt64>();
+            foreach (object x in this.PossibleValues)
+                this.possibleValuesAsUlongs.Add(Convert.ToUInt64(x));
+        }
+
+        /// <summary>
+        /// Decides if the given property is a match for the values in the PossibleValues collection
+        /// </summary>
+        /// <param name="result"></param>
+        /// <returns></returns>
+        protected override bool DoesValueMatch(object result) {
+            try {
+                UInt64 value = Convert.ToUInt64(result);
+                foreach (ulong flag in this.possibleValuesAsUlongs) {
+                    if ((value & flag) == flag)
+                        return true;
+                }
+                return false;
+            }
+            catch (InvalidCastException) {
+                return false;
+            }
+            catch (FormatException) {
+                return false;
+            }
+        }
+
+        private List<UInt64> possibleValuesAsUlongs = new List<UInt64>();
+    }
+
+    /// <summary>
+    /// Base class for whole list filters
+    /// </summary>
+    public class AbstractListFilter : IListFilter
+    {
+        /// <summary>
+        /// Return a subset of the given list of model objects as the new
+        /// contents of the ObjectListView
+        /// </summary>
+        /// <param name="modelObjects">The collection of model objects that the list will possibly display</param>
+        /// <returns>The filtered collection that holds the model objects that will be displayed.</returns>
+        virtual public IEnumerable Filter(IEnumerable modelObjects) {
+            return modelObjects;
+        }
+    }
+
+    /// <summary>
+    /// Instance of this class implement delegate based whole list filtering
+    /// </summary>
+    public class ListFilter : AbstractListFilter
+    {
+        /// <summary>
+        /// A delegate that filters on a whole list
+        /// </summary>
+        /// <param name="rowObjects"></param>
+        /// <returns></returns>
+        public delegate IEnumerable ListFilterDelegate(IEnumerable rowObjects);
+
+        /// <summary>
+        /// Create a ListFilter
+        /// </summary>
+        /// <param name="function"></param>
+        public ListFilter(ListFilterDelegate function) {
+            this.Function = function;
+        }
+
+        /// <summary>
+        /// Gets or sets the delegate that will filter the list
+        /// </summary>
+        public ListFilterDelegate Function {
+            get { return function; }
+            set { function = value; }
+        }
+        private ListFilterDelegate function;
+
+        /// <summary>
+        /// Do the actual work of filtering
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        /// <returns></returns>
+        public override IEnumerable Filter(IEnumerable modelObjects) {
+            if (this.Function == null)
+                return modelObjects;
+
+            return this.Function(modelObjects);
+        }
+    }
+
+    /// <summary>
+    /// Filter the list so only the last N entries are displayed
+    /// </summary>
+    public class TailFilter : AbstractListFilter
+    {
+        /// <summary>
+        /// Create a no-op tail filter
+        /// </summary>
+        public TailFilter() {
+        }
+
+        /// <summary>
+        /// Create a filter that includes on the last N model objects
+        /// </summary>
+        /// <param name="numberOfObjects"></param>
+        public TailFilter(int numberOfObjects) {
+            this.Count = numberOfObjects;
+        }
+
+        /// <summary>
+        /// Gets or sets the number of model objects that will be 
+        /// returned from the tail of the list
+        /// </summary>
+        public int Count {
+            get { return count; }
+            set { count = value; }
+        }
+        private int count;
+
+        /// <summary>
+        /// Return the last N subset of the model objects
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        /// <returns></returns>
+        public override IEnumerable Filter(IEnumerable modelObjects) {
+            if (this.Count <= 0)
+                return modelObjects;
+
+            ArrayList list = ObjectListView.EnumerableToArray(modelObjects, false);
+
+            if (this.Count > list.Count)
+                return list;
+
+            object[] tail = new object[this.Count];
+            list.CopyTo(list.Count - this.Count, tail, 0, this.Count);
+            return new ArrayList(tail);
+        }
+    }
+}

ObjectListView/Filtering/FlagClusteringStrategy.cs

@@ -0,0 +1,160 @@
+/*
+ * FlagClusteringStrategy - Implements a clustering strategy for a field which is a single integer 
+ *                          containing an XOR'ed collection of bit flags
+ *
+ * Author: Phillip Piper
+ * Date: 23-March-2012 8:33 am
+ *
+ * Change log:
+ * 2012-03-23  JPP  - First version
+ * 
+ * Copyright (C) 2012 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// Instances of this class cluster model objects on the basis of a
+    /// property that holds an xor-ed collection of bit flags.
+    /// </summary>
+    public class FlagClusteringStrategy : ClusteringStrategy
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Create a clustering strategy that operates on the flags of the given enum
+        /// </summary>
+        /// <param name="enumType"></param>
+        public FlagClusteringStrategy(Type enumType) {
+            if (enumType == null) throw new ArgumentNullException("enumType");
+            if (!enumType.IsEnum) throw new ArgumentException("Type must be enum", "enumType");
+            if (enumType.GetCustomAttributes(typeof(FlagsAttribute), false) == null) throw new ArgumentException("Type must have [Flags] attribute", "enumType");
+
+            List<long> flags = new List<long>();
+            foreach (object x in Enum.GetValues(enumType))
+                flags.Add(Convert.ToInt64(x));
+
+            List<string> flagLabels = new List<string>();
+            foreach (string x in Enum.GetNames(enumType))
+                flagLabels.Add(x);
+
+            this.SetValues(flags.ToArray(), flagLabels.ToArray());
+        }
+
+        /// <summary>
+        /// Create a clustering strategy around the given collections of flags and their display labels.
+        /// There must be the same number of elements in both collections.
+        /// </summary>
+        /// <param name="values">The list of flags. </param>
+        /// <param name="labels"></param>
+        public FlagClusteringStrategy(long[] values, string[] labels) {
+            this.SetValues(values, labels);
+        }
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Gets the value that will be xor-ed to test for the presence of a particular value.
+        /// </summary>
+        public long[] Values {
+            get { return this.values; }
+            private set { this.values = value; }
+        }
+        private long[] values;
+
+        /// <summary>
+        /// Gets the labels that will be used when the corresponding Value is XOR present in the data.
+        /// </summary>
+        public string[] Labels {
+            get { return this.labels; }
+            private set { this.labels = value; }
+        }
+        private string[] labels;
+
+        private void SetValues(long[] flags, string[] flagLabels) {
+            if (flags == null || flags.Length == 0) throw new ArgumentNullException("flags");
+            if (flagLabels == null || flagLabels.Length == 0) throw new ArgumentNullException("flagLabels");
+            if (flags.Length != flagLabels.Length) throw new ArgumentException("values and labels must have the same number of entries", "flags");
+
+            this.Values = flags;
+            this.Labels = flagLabels;
+        }
+
+        #endregion
+
+        #region Implementation of IClusteringStrategy
+
+        /// <summary>
+        /// Get the cluster key by which the given model will be partitioned by this strategy
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public override object GetClusterKey(object model) {
+            List<long> flags = new List<long>();
+            try {
+                long modelValue = Convert.ToInt64(this.Column.GetValue(model));
+                foreach (long x in this.Values) {
+                    if ((x & modelValue) == x)
+                        flags.Add(x);
+                }
+                return flags;
+            }
+            catch (InvalidCastException ex) {
+                System.Diagnostics.Debug.Write(ex);
+                return flags;
+            }
+            catch (FormatException ex) {
+                System.Diagnostics.Debug.Write(ex);
+                return flags;
+            }
+        }
+
+        /// <summary>
+        /// Gets the display label that the given cluster should use
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <returns></returns>
+        public override string GetClusterDisplayLabel(ICluster cluster) {
+            long clusterKeyAsUlong = Convert.ToInt64(cluster.ClusterKey);
+            for (int i = 0; i < this.Values.Length; i++ ) {
+                if (clusterKeyAsUlong == this.Values[i])
+                    return this.ApplyDisplayFormat(cluster, this.Labels[i]);
+            }
+            return this.ApplyDisplayFormat(cluster, clusterKeyAsUlong.ToString(CultureInfo.CurrentUICulture));
+        }
+
+        /// <summary>
+        /// Create a filter that will include only model objects that
+        /// match one or more of the given values.
+        /// </summary>
+        /// <param name="valuesChosenForFiltering"></param>
+        /// <returns></returns>
+        public override IModelFilter CreateFilter(IList valuesChosenForFiltering) {
+            return new FlagBitSetFilter(this.GetClusterKey, valuesChosenForFiltering);
+        }
+
+        #endregion
+    }
+}

ObjectListView/Filtering/ICluster.cs

@@ -0,0 +1,56 @@
+/*
+ * ICluster - A cluster is a group of objects that can be included or excluded as a whole
+ *
+ * Author: Phillip Piper
+ * Date: 4-March-2011 11:59 pm
+ *
+ * Change log:
+ * 2011-03-04  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// A cluster is a like collection of objects that can be usefully filtered
+    /// as whole using the filtering UI provided by the ObjectListView.
+    /// </summary>
+    public interface ICluster : IComparable {
+        /// <summary>
+        /// Gets or sets how many items belong to this cluster
+        /// </summary>
+        int Count { get; set; }
+
+        /// <summary>
+        /// Gets or sets the label that will be shown to the user to represent
+        /// this cluster
+        /// </summary>
+        string DisplayLabel { get; set; }
+
+        /// <summary>
+        /// Gets or sets the actual data object that all members of this cluster
+        /// have commonly returned.
+        /// </summary>
+        object ClusterKey { get; set; }
+    }
+}

ObjectListView/Filtering/IClusteringStrategy.cs

@@ -0,0 +1,80 @@
+/*
+ * IClusterStrategy - Encapsulates the ability to create a list of clusters from an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 4-March-2011 11:59 pm
+ *
+ * Change log:
+ * 2012-05-23  JPP  - Added CreateFilter() method to interface to allow the strategy
+ *                    to control the actual model filter that is created.
+ * v2.5
+ * 2011-03-04  JPP  - First version
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightIdeasSoftware{
+
+    /// <summary>
+    /// Implementation of this interface control the selecting of cluster keys
+    /// and how those clusters will be presented to the user
+    /// </summary>
+    public interface IClusteringStrategy {
+
+        /// <summary>
+        /// Gets or sets the column upon which this strategy will operate
+        /// </summary>
+        OLVColumn Column { get; set; }
+
+        /// <summary>
+        /// Get the cluster key by which the given model will be partitioned by this strategy
+        /// </summary>
+        /// <remarks>If the returned value is an IEnumerable, the given model is considered
+        /// to belong to multiple clusters</remarks>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        object GetClusterKey(object model);
+
+        /// <summary>
+        /// Create a cluster to hold the given cluster key
+        /// </summary>
+        /// <param name="clusterKey"></param>
+        /// <returns></returns>
+        ICluster CreateCluster(object clusterKey);
+
+        /// <summary>
+        /// Gets the display label that the given cluster should use
+        /// </summary>
+        /// <param name="cluster"></param>
+        /// <returns></returns>
+        string GetClusterDisplayLabel(ICluster cluster);
+
+        /// <summary>
+        /// Create a filter that will include only model objects that
+        /// match one or more of the given values.
+        /// </summary>
+        /// <param name="valuesChosenForFiltering"></param>
+        /// <returns></returns>
+        IModelFilter CreateFilter(IList valuesChosenForFiltering);
+    }
+}

ObjectListView/Filtering/TextMatchFilter.cs

@@ -0,0 +1,629 @@
+/*
+ * TextMatchFilter - Text based filtering on ObjectListViews
+ *
+ * Author: Phillip Piper
+ * Date: 31/05/2011 7:45am 
+ *
+ * Change log:
+ * v2.6
+ * 2012-10-13  JPP  Allow filtering to consider additional columns
+ * v2.5.1
+ * 2011-06-22  JPP  Handle searching for empty strings
+ * v2.5.0
+ * 2011-05-31  JPP  Initial version
+ *
+ * TO DO:
+ *
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Drawing;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// Instances of this class include only those rows of the listview
+    /// that match one or more given strings.
+    /// </summary>
+    /// <remarks>This class can match strings by prefix, regex, or simple containment.
+    /// There are factory methods for each of these matching strategies.</remarks>
+    public class TextMatchFilter : AbstractModelFilter {
+
+        #region Life and death
+
+        /// <summary>
+        /// Create a text filter that will include rows where any cell matches 
+        /// any of the given regex expressions.
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="texts"></param>
+        /// <returns></returns>
+        /// <remarks>Any string that is not a valid regex expression will be ignored.</remarks>
+        public static TextMatchFilter Regex(ObjectListView olv, params string[] texts) {
+            TextMatchFilter filter = new TextMatchFilter(olv);
+            filter.RegexStrings = texts;
+            return filter;
+        }
+
+        /// <summary>
+        /// Create a text filter that includes rows where any cell begins with one of the given strings
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="texts"></param>
+        /// <returns></returns>
+        public static TextMatchFilter Prefix(ObjectListView olv, params string[] texts) {
+            TextMatchFilter filter = new TextMatchFilter(olv);
+            filter.PrefixStrings = texts;
+            return filter;
+        }
+
+        /// <summary>
+        /// Create a text filter that includes rows where any cell contains any of the given strings.
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="texts"></param>
+        /// <returns></returns>
+        public static TextMatchFilter Contains(ObjectListView olv, params string[] texts) {
+            TextMatchFilter filter = new TextMatchFilter(olv);
+            filter.ContainsStrings = texts;
+            return filter;
+        }
+
+        /// <summary>
+        /// Create a TextFilter
+        /// </summary>
+        /// <param name="olv"></param>
+        public TextMatchFilter(ObjectListView olv) {
+            this.ListView = olv;
+        }
+
+        /// <summary>
+        /// Create a TextFilter that finds the given string
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="text"></param>
+        public TextMatchFilter(ObjectListView olv, string text) {
+            this.ListView = olv;
+            this.ContainsStrings = new string[] { text };
+        }
+
+        /// <summary>
+        /// Create a TextFilter that finds the given string using the given comparison
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="text"></param>
+        /// <param name="comparison"></param>
+        public TextMatchFilter(ObjectListView olv, string text, StringComparison comparison) {
+            this.ListView = olv;
+            this.ContainsStrings = new string[] { text };
+            this.StringComparison = comparison;
+        }
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets which columns will be used for the comparisons? If this is null, all columns will be used
+        /// </summary>
+        public OLVColumn[] Columns {
+            get { return columns; }
+            set { columns = value; }
+        }
+        private OLVColumn[] columns;
+
+        /// <summary>
+        /// Gets or sets additional columns which will be used in the comparison. These will be used
+        /// in addition to either the Columns property or to all columns taken from the control.
+        /// </summary>
+        public OLVColumn[] AdditionalColumns {
+            get { return additionalColumns; }
+            set { additionalColumns = value; }
+        }
+        private OLVColumn[] additionalColumns;
+
+        /// <summary>
+        /// Gets or sets the collection of strings that will be used for 
+        /// contains matching. Setting this replaces all previous texts
+        /// of any kind.
+        /// </summary>
+        public IEnumerable<string> ContainsStrings {
+            get {
+                foreach (TextMatchingStrategy component in this.MatchingStrategies)
+                    yield return component.Text;
+            }
+            set {
+                this.MatchingStrategies = new List<TextMatchingStrategy>();
+                if (value != null) {
+                    foreach (string text in value)
+                        this.MatchingStrategies.Add(new TextContainsMatchingStrategy(this, text));
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets whether or not this filter has any search criteria
+        /// </summary>
+        public bool HasComponents {
+            get {
+                return this.MatchingStrategies.Count > 0;
+            }
+        }
+
+        /// <summary>
+        /// Gets or set the ObjectListView upon which this filter will work
+        /// </summary>
+        /// <remarks>
+        /// You cannot really rebase a filter after it is created, so do not change this value.
+        /// It is included so that it can be set in an object initializer.
+        /// </remarks>
+        public ObjectListView ListView {
+            get { return listView; }
+            set { listView = value; }
+        }
+        private ObjectListView listView;
+
+        /// <summary>
+        /// Gets or sets the collection of strings that will be used for 
+        /// prefix matching. Setting this replaces all previous texts
+        /// of any kind.
+        /// </summary>
+        public IEnumerable<string> PrefixStrings {
+            get {
+                foreach (TextMatchingStrategy component in this.MatchingStrategies)
+                    yield return component.Text;
+            }
+            set {
+                this.MatchingStrategies = new List<TextMatchingStrategy>();
+                if (value != null) {
+                    foreach (string text in value)
+                        this.MatchingStrategies.Add(new TextBeginsMatchingStrategy(this, text));
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the options that will be used when compiling the regular expression.
+        /// </summary>
+        /// <remarks>
+        /// This is only used when doing Regex matching (obviously).
+        /// If this is not set specifically, the appropriate options are chosen to match the
+        /// StringComparison setting (culture invariant, case sensitive).
+        /// </remarks>
+        public RegexOptions RegexOptions {
+            get {
+                if (!regexOptions.HasValue) {
+                    switch (this.StringComparison) {
+                        case StringComparison.CurrentCulture:
+                            regexOptions = RegexOptions.None;
+                            break;
+                        case StringComparison.CurrentCultureIgnoreCase:
+                            regexOptions = RegexOptions.IgnoreCase;
+                            break;
+                        case StringComparison.Ordinal:
+                        case StringComparison.InvariantCulture:
+                            regexOptions = RegexOptions.CultureInvariant;
+                            break;
+                        case StringComparison.OrdinalIgnoreCase:
+                        case StringComparison.InvariantCultureIgnoreCase:
+                            regexOptions = RegexOptions.CultureInvariant | RegexOptions.IgnoreCase;
+                            break;
+                        default:
+                            regexOptions = RegexOptions.None;
+                            break;
+                    }
+                }
+                return regexOptions.Value;
+            }
+            set {
+                regexOptions = value;
+            }
+        }
+        private RegexOptions? regexOptions;
+
+        /// <summary>
+        /// Gets or sets the collection of strings that will be used for 
+        /// regex pattern matching. Setting this replaces all previous texts
+        /// of any kind.
+        /// </summary>
+        public IEnumerable<string> RegexStrings {
+            get {
+                foreach (TextMatchingStrategy component in this.MatchingStrategies)
+                    yield return component.Text;
+            }
+            set {
+                this.MatchingStrategies = new List<TextMatchingStrategy>();
+                if (value != null) {
+                    foreach (string text in value)
+                        this.MatchingStrategies.Add(new TextRegexMatchingStrategy(this, text));
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets or  sets how the filter will match text
+        /// </summary>
+        public StringComparison StringComparison {
+            get { return this.stringComparison; }
+            set { this.stringComparison = value; }
+        }
+        private StringComparison stringComparison = StringComparison.InvariantCultureIgnoreCase;
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Loop over the columns that are being considering by the filter
+        /// </summary>
+        /// <returns></returns>
+        protected virtual IEnumerable<OLVColumn> IterateColumns() {
+            if (this.Columns == null) {
+                foreach (OLVColumn column in this.ListView.Columns)
+                    yield return column;
+            } else {
+                foreach (OLVColumn column in this.Columns)
+                    yield return column;
+            }
+            if (this.AdditionalColumns != null) {
+                foreach (OLVColumn column in this.AdditionalColumns)
+                    yield return column;
+            }
+        }
+
+        #endregion
+
+        #region Public interface
+
+        /// <summary>
+        /// Do the actual work of filtering
+        /// </summary>
+        /// <param name="modelObject"></param>
+        /// <returns></returns>
+        public override bool Filter(object modelObject) {
+            if (this.ListView == null || !this.HasComponents)
+                return true;
+
+            foreach (OLVColumn column in this.IterateColumns()) {
+                if (column.IsVisible && column.Searchable) {
+                    string[] cellTexts = column.GetSearchValues(modelObject);
+                    if (cellTexts != null && cellTexts.Length > 0) {
+                        foreach (TextMatchingStrategy filter in this.MatchingStrategies) {
+                            if (String.IsNullOrEmpty(filter.Text))
+                                return true;
+                            foreach (string cellText in cellTexts) {
+                                if (filter.MatchesText(cellText))
+                                    return true;
+                            }
+                        }
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Find all the ways in which this filter matches the given string.
+        /// </summary>
+        /// <remarks>This is used by the renderer to decide which bits of
+        /// the string should be highlighted</remarks>
+        /// <param name="cellText"></param>
+        /// <returns>A list of character ranges indicating the matched substrings</returns>
+        public IEnumerable<CharacterRange> FindAllMatchedRanges(string cellText) {
+            List<CharacterRange> ranges = new List<CharacterRange>();
+
+            foreach (TextMatchingStrategy filter in this.MatchingStrategies) {
+                 if (!String.IsNullOrEmpty(filter.Text))
+                    ranges.AddRange(filter.FindAllMatchedRanges(cellText));
+            }
+
+            return ranges;
+        }
+
+        /// <summary>
+        /// Is the given column one of the columns being used by this filter?
+        /// </summary>
+        /// <param name="column"></param>
+        /// <returns></returns>
+        public bool IsIncluded(OLVColumn column) {
+            if (this.Columns == null) {
+                return column.ListView == this.ListView;
+            }
+
+            foreach (OLVColumn x in this.Columns) {
+                if (x == column)
+                    return true;
+            }
+
+            return false;
+        }
+
+        #endregion
+
+        #region Implementation members
+
+        private List<TextMatchingStrategy> MatchingStrategies = new List<TextMatchingStrategy>();
+
+        #endregion
+
+        #region Components
+
+        /// <summary>
+        /// Base class for the various types of string matching that TextMatchFilter provides
+        /// </summary>
+        abstract protected class TextMatchingStrategy {
+
+            /// <summary>
+            /// Gets how the filter will match text
+            /// </summary>
+            public StringComparison StringComparison {
+                get { return this.TextFilter.StringComparison; }
+            }
+
+            /// <summary>
+            /// Gets the text filter to which this component belongs
+            /// </summary>
+            public TextMatchFilter TextFilter {
+                get { return textFilter; }
+                set { textFilter = value; }
+            }
+            private TextMatchFilter textFilter;
+
+            /// <summary>
+            /// Gets or sets the text that will be matched
+            /// </summary>
+            public string Text {
+                get { return this.text; }
+                set { this.text = value; }
+            }
+            private string text;
+
+            /// <summary>
+            /// Find all the ways in which this filter matches the given string.
+            /// </summary>
+            /// <remarks>
+            /// <para>
+            /// This is used by the renderer to decide which bits of
+            /// the string should be highlighted.
+            /// </para>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>A list of character ranges indicating the matched substrings</returns>
+            abstract public IEnumerable<CharacterRange> FindAllMatchedRanges(string cellText);
+
+            /// <summary>
+            /// Does the given text match the filter
+            /// </summary>
+            /// <remarks>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>Return true if the given cellText matches our strategy</returns>
+            abstract public bool MatchesText(string cellText);
+        }
+
+        /// <summary>
+        /// This component provides text contains matching strategy.
+        /// </summary>
+        protected class TextContainsMatchingStrategy : TextMatchingStrategy {
+
+            /// <summary>
+            /// Create a text contains strategy
+            /// </summary>
+            /// <param name="filter"></param>
+            /// <param name="text"></param>
+            public TextContainsMatchingStrategy(TextMatchFilter filter, string text) {
+                this.TextFilter = filter;
+                this.Text = text;
+            }
+
+            /// <summary>
+            /// Does the given text match the filter
+            /// </summary>
+            /// <remarks>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>Return true if the given cellText matches our strategy</returns>
+            override public bool MatchesText(string cellText) {
+                return cellText.IndexOf(this.Text, this.StringComparison) != -1;
+            }
+
+            /// <summary>
+            /// Find all the ways in which this filter matches the given string.
+            /// </summary>
+            /// <remarks>
+            /// <para>
+            /// This is used by the renderer to decide which bits of
+            /// the string should be highlighted.
+            /// </para>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>A list of character ranges indicating the matched substrings</returns>
+            override public IEnumerable<CharacterRange> FindAllMatchedRanges(string cellText) {
+                List<CharacterRange> ranges = new List<CharacterRange>();
+
+                int matchIndex = cellText.IndexOf(this.Text, this.StringComparison);
+                while (matchIndex != -1) {
+                    ranges.Add(new CharacterRange(matchIndex, this.Text.Length));
+                    matchIndex = cellText.IndexOf(this.Text, matchIndex + this.Text.Length, this.StringComparison);
+                }
+
+                return ranges;
+            }
+        }
+
+        /// <summary>
+        /// This component provides text begins with matching strategy.
+        /// </summary>
+        protected class TextBeginsMatchingStrategy : TextMatchingStrategy {
+
+            /// <summary>
+            /// Create a text begins strategy
+            /// </summary>
+            /// <param name="filter"></param>
+            /// <param name="text"></param>
+            public TextBeginsMatchingStrategy(TextMatchFilter filter, string text) {
+                this.TextFilter = filter;
+                this.Text = text;
+            }
+
+            /// <summary>
+            /// Does the given text match the filter
+            /// </summary>
+            /// <remarks>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>Return true if the given cellText matches our strategy</returns>
+            override public bool MatchesText(string cellText) {
+                return cellText.StartsWith(this.Text, this.StringComparison);
+            }
+
+            /// <summary>
+            /// Find all the ways in which this filter matches the given string.
+            /// </summary>
+            /// <remarks>
+            /// <para>
+            /// This is used by the renderer to decide which bits of
+            /// the string should be highlighted.
+            /// </para>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>A list of character ranges indicating the matched substrings</returns>
+            override public IEnumerable<CharacterRange> FindAllMatchedRanges(string cellText) {
+                List<CharacterRange> ranges = new List<CharacterRange>();
+
+                if (cellText.StartsWith(this.Text, this.StringComparison))
+                    ranges.Add(new CharacterRange(0, this.Text.Length));
+
+                return ranges;
+            }
+
+        }
+
+        /// <summary>
+        /// This component provides regex matching strategy.
+        /// </summary>
+        protected class TextRegexMatchingStrategy : TextMatchingStrategy {
+
+            /// <summary>
+            /// Creates a regex strategy
+            /// </summary>
+            /// <param name="filter"></param>
+            /// <param name="text"></param>
+            public TextRegexMatchingStrategy(TextMatchFilter filter, string text) {
+                this.TextFilter = filter;
+                this.Text = text;
+            }
+
+            /// <summary>
+            /// Gets or sets the options that will be used when compiling the regular expression.
+            /// </summary>
+            public RegexOptions RegexOptions {
+                get {
+                    return this.TextFilter.RegexOptions;
+                }
+            }
+
+            /// <summary>
+            /// Gets or sets a compilex regular expression, based on our current Text and RegexOptions.
+            /// </summary>
+            /// <remarks>
+            /// If Text fails to compile as a regular expression, this will return a Regex object
+            /// that will match all strings.
+            /// </remarks>
+            protected Regex Regex {
+                get {
+                    if (this.regex == null) {
+                        try {
+                            this.regex = new Regex(this.Text, this.RegexOptions);
+                        }
+                        catch (ArgumentException) {
+                            this.regex = TextRegexMatchingStrategy.InvalidRegexMarker;
+                        }
+                    }
+                    return this.regex;
+                }
+                set {
+                    this.regex = value;
+                }
+            }
+            private Regex regex;
+
+            /// <summary>
+            /// Gets whether or not our current regular expression is a valid regex
+            /// </summary>
+            protected bool IsRegexInvalid {
+                get {
+                    return this.Regex == TextRegexMatchingStrategy.InvalidRegexMarker;
+                }
+            }
+            static private Regex InvalidRegexMarker = new Regex(".*");
+
+            /// <summary>
+            /// Does the given text match the filter
+            /// </summary>
+            /// <remarks>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>Return true if the given cellText matches our strategy</returns>
+            public override bool MatchesText(string cellText) {
+                if (this.IsRegexInvalid)
+                    return true;
+                return this.Regex.Match(cellText).Success;
+            }
+
+            /// <summary>
+            /// Find all the ways in which this filter matches the given string.
+            /// </summary>
+            /// <remarks>
+            /// <para>
+            /// This is used by the renderer to decide which bits of
+            /// the string should be highlighted.
+            /// </para>
+            /// <para>this.Text will not be null or empty when this is called.</para>
+            /// </remarks>
+            /// <param name="cellText">The text of the cell we want to search</param>
+            /// <returns>A list of character ranges indicating the matched substrings</returns>
+            override public IEnumerable<CharacterRange> FindAllMatchedRanges(string cellText) {
+                List<CharacterRange> ranges = new List<CharacterRange>();
+
+                if (!this.IsRegexInvalid) {
+                    foreach (Match match in this.Regex.Matches(cellText)) {
+                        if (match.Length > 0)
+                            ranges.Add(new CharacterRange(match.Index, match.Length));
+                    }
+                }
+
+                return ranges;
+            }
+        }
+
+        #endregion
+    }
+}

ObjectListView/Implementation/Attributes.cs

@@ -0,0 +1,335 @@
+/*
+ * Attributes - Attributes that can be attached to properties of models to allow columns to be
+ *              built from them directly
+ *
+ * Author: Phillip Piper
+ * Date: 15/08/2009 22:01
+ *
+ * Change log:
+ * v2.6
+ * 2012-08-16  JPP  - Added [OLVChildren] and [OLVIgnore]
+ *                  - OLV attributes can now only be set on properties
+ * v2.4
+ * 2010-04-14  JPP  - Allow Name property to be set
+ * 
+ * v2.3
+ * 2009-08-15  JPP  - Initial version
+ *
+ * To do:
+ * 
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// This attribute is used to mark a property of a model
+    /// class that should be noticed by Generator class.
+    /// </summary>
+    /// <remarks>
+    /// All the attributes of this class match their equivilent properties on OLVColumn.
+    /// </remarks>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class OLVColumnAttribute : Attribute
+    {
+        #region Constructor
+
+        // There are several property where we actually want nullable value (bool?, int?),
+        // but it seems attribute properties can't be nullable types.
+        // So we explicitly track if those properties have been set.
+
+        /// <summary>
+        /// Create a new OLVColumnAttribute
+        /// </summary>
+        public OLVColumnAttribute() {
+        }
+
+        /// <summary>
+        /// Create a new OLVColumnAttribute with the given title
+        /// </summary>
+        /// <param name="title">The title of the column</param>
+        public OLVColumnAttribute(string title) {
+            this.Title = title;
+        }
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string AspectToStringFormat {
+            get { return aspectToStringFormat; }
+            set { aspectToStringFormat = value; }
+        }
+        private string aspectToStringFormat;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool CheckBoxes {
+            get { return checkBoxes; }
+            set {
+                checkBoxes = value;
+                this.IsCheckBoxesSet = true;
+            }
+        }
+        private bool checkBoxes;
+        internal bool IsCheckBoxesSet = false;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public int DisplayIndex {
+            get { return displayIndex; }
+            set { displayIndex = value; }
+        }
+        private int displayIndex = -1;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool FillsFreeSpace {
+            get { return fillsFreeSpace; }
+            set { fillsFreeSpace = value; }
+        }
+        private bool fillsFreeSpace;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public int FreeSpaceProportion {
+            get { return freeSpaceProportion; }
+            set {
+                freeSpaceProportion = value;
+                IsFreeSpaceProportionSet = true;
+            }
+        }
+        private int freeSpaceProportion;
+        internal bool IsFreeSpaceProportionSet = false;
+
+        /// <summary>
+        /// An array of IComparables that mark the cutoff points for values when
+        /// grouping on this column. 
+        /// </summary>
+        public object[] GroupCutoffs {
+            get { return groupCutoffs; }
+            set { groupCutoffs = value; }
+        }
+        private object[] groupCutoffs;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string[] GroupDescriptions {
+            get { return groupDescriptions; }
+            set { groupDescriptions = value; }
+        }
+        private string[] groupDescriptions;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string GroupWithItemCountFormat {
+            get { return groupWithItemCountFormat; }
+            set { groupWithItemCountFormat = value; }
+        }
+        private string groupWithItemCountFormat;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string GroupWithItemCountSingularFormat {
+            get { return groupWithItemCountSingularFormat; }
+            set { groupWithItemCountSingularFormat = value; }
+        }
+        private string groupWithItemCountSingularFormat;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool Hyperlink {
+            get { return hyperlink; }
+            set { hyperlink = value; }
+        }
+        private bool hyperlink;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string ImageAspectName {
+            get { return imageAspectName; }
+            set { imageAspectName = value; }
+        }
+        private string imageAspectName;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool IsEditable {
+            get { return isEditable; }
+            set {
+                isEditable = value;
+                this.IsEditableSet = true;
+            }
+        }
+        private bool isEditable = true;
+        internal bool IsEditableSet = false;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool IsVisible {
+            get { return isVisible; }
+            set { isVisible = value; }
+        }
+        private bool isVisible = true;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool IsTileViewColumn {
+            get { return isTileViewColumn; }
+            set { isTileViewColumn = value; }
+        }
+        private bool isTileViewColumn;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public int MaximumWidth {
+            get { return maximumWidth; }
+            set { maximumWidth = value; }
+        }
+        private int maximumWidth = -1;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public int MinimumWidth {
+            get { return minimumWidth; }
+            set { minimumWidth = value; }
+        }
+        private int minimumWidth = -1;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public String Name {
+            get { return name; }
+            set { name = value; }
+        }
+        private String name;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public HorizontalAlignment TextAlign {
+            get { return this.textAlign; }
+            set {
+                this.textAlign = value;
+                IsTextAlignSet = true;
+            }
+        }
+        private HorizontalAlignment textAlign = HorizontalAlignment.Left;
+        internal bool IsTextAlignSet = false;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public String Tag {
+            get { return tag; }
+            set { tag = value; }
+        }
+        private String tag;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public String Title {
+            get { return title; }
+            set { title = value; }
+        }
+        private String title;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public String ToolTipText {
+            get { return toolTipText; }
+            set { toolTipText = value; }
+        }
+        private String toolTipText;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool TriStateCheckBoxes {
+            get { return triStateCheckBoxes; }
+            set { 
+                triStateCheckBoxes = value;
+                this.IsTriStateCheckBoxesSet = true;
+            }
+        }
+        private bool triStateCheckBoxes;
+        internal bool IsTriStateCheckBoxesSet = false;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool UseInitialLetterForGroup {
+            get { return useInitialLetterForGroup; }
+            set { useInitialLetterForGroup = value; }
+        }
+        private bool useInitialLetterForGroup;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public int Width {
+            get { return width; }
+            set { width = value; }
+        }
+        private int width = 150;
+
+        #endregion
+    }
+
+    /// <summary>
+    /// Properties marked with [OLVChildren] will be used as the children source in a TreeListView.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class OLVChildrenAttribute : Attribute
+    {
+        
+    }
+
+    /// <summary>
+    /// Properties marked with [OLVIgnore] will not have columns generated for them.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class OLVIgnoreAttribute : Attribute
+    {
+
+    }
+}

ObjectListView/Implementation/Comparers.cs

@@ -0,0 +1,315 @@
+/*
+ * Comparers - Various Comparer classes used within ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 25/11/2008 17:15 
+ *
+ * Change log:
+ * v2.8.1
+ * 2014-12-03  JPP  - Added StringComparer
+ * v2.3
+ * 2009-08-24  JPP  - Added OLVGroupComparer
+ * 2009-06-01  JPP  - ModelObjectComparer would crash if secondary sort column was null.
+ * 2008-12-20  JPP  - Fixed bug with group comparisons when a group key was null (SF#2445761)
+ * 2008-11-25  JPP  Initial version
+ *
+ * TO DO:
+ *
+ * Copyright (C) 2006-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// ColumnComparer is the workhorse for all comparison between two values of a particular column.
+    /// If the column has a specific comparer, use that to compare the values. Otherwise, do
+    /// a case insensitive string compare of the string representations of the values.
+    /// </summary>
+    /// <remarks><para>This class inherits from both IComparer and its generic counterpart
+    /// so that it can be used on untyped and typed collections.</para>
+    /// <para>This is used by normal (non-virtual) ObjectListViews. Virtual lists use
+    /// ModelObjectComparer</para>
+    /// </remarks>
+    /// <remarks>
+    /// Create a ColumnComparer that will order the rows in a list view according
+    /// to the values in a given column
+    /// </remarks>
+    /// <param name="col">The column whose values will be compared</param>
+    /// <param name="order">The ordering for column values</param>
+    public class ColumnComparer(OLVColumn col, SortOrder order) : IComparer, IComparer<OLVListItem>
+    {
+        /// <summary>
+        /// Gets or sets the method that will be used to compare two strings.
+        /// The default is to compare on the current culture, case-insensitive
+        /// </summary>
+        public static StringCompareDelegate StringComparer
+        {
+            get { return stringComparer; }
+            set { stringComparer = value; }
+        }
+        private static StringCompareDelegate stringComparer;
+
+        /// <summary>
+        /// Create a ColumnComparer that will order the rows in a list view according
+        /// to the values in a given column, and by a secondary column if the primary
+        /// column is equal.
+        /// </summary>
+        /// <param name="col">The column whose values will be compared</param>
+        /// <param name="order">The ordering for column values</param>
+        /// <param name="col2">The column whose values will be compared for secondary sorting</param>
+        /// <param name="order2">The ordering for secondary column values</param>
+        public ColumnComparer(OLVColumn col, SortOrder order, OLVColumn col2, SortOrder order2)
+            : this(col, order)
+        {
+            // There is no point in secondary sorting on the same column
+            if (col != col2)
+                this.secondComparer = new ColumnComparer(col2, order2);
+        }
+
+        /// <summary>
+        /// Compare two rows
+        /// </summary>
+        /// <param name="x">row1</param>
+        /// <param name="y">row2</param>
+        /// <returns>An ordering indication: -1, 0, 1</returns>
+        public int Compare(object x, object y)
+        {
+            return this.Compare((OLVListItem)x, (OLVListItem)y);
+        }
+
+        /// <summary>
+        /// Compare two rows
+        /// </summary>
+        /// <param name="x">row1</param>
+        /// <param name="y">row2</param>
+        /// <returns>An ordering indication: -1, 0, 1</returns>
+        public int Compare(OLVListItem x, OLVListItem y)
+        {
+            if (this.sortOrder == SortOrder.None)
+                return 0;
+
+            int result = 0;
+            object x1 = this.column.GetValue(x.RowObject);
+            object y1 = this.column.GetValue(y.RowObject);
+
+            // Handle nulls. Null values come last
+            bool xIsNull = (x1 == null || x1 == System.DBNull.Value);
+            bool yIsNull = (y1 == null || y1 == System.DBNull.Value);
+            if (xIsNull || yIsNull) {
+                if (xIsNull && yIsNull)
+                    result = 0;
+                else
+                    result = (xIsNull ? -1 : 1);
+            } else {
+                result = this.CompareValues(x1, y1);
+            }
+
+            if (this.sortOrder == SortOrder.Descending)
+                result = 0 - result;
+
+            // If the result was equality, use the secondary comparer to resolve it
+            if (result == 0 && this.secondComparer != null)
+                result = this.secondComparer.Compare(x, y);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Compare the actual values to be used for sorting
+        /// </summary>
+        /// <param name="x">The aspect extracted from the first row</param>
+        /// <param name="y">The aspect extracted from the second row</param>
+        /// <returns>An ordering indication: -1, 0, 1</returns>
+        public int CompareValues(object x, object y)
+        {
+            // Force case insensitive compares on strings
+            String xAsString = x as String;
+            if (xAsString != null)
+                return CompareStrings(xAsString, y as String);
+            
+            IComparable comparable = x as IComparable;
+            return comparable != null ? comparable.CompareTo(y) : 0;
+        }
+
+        private static int CompareStrings(string x, string y)
+        {
+            if (StringComparer == null)
+                return String.Compare(x, y, StringComparison.CurrentCultureIgnoreCase);
+            else
+                return StringComparer(x, y);
+        }
+
+        private OLVColumn column = col;
+        private SortOrder sortOrder = order;
+        private ColumnComparer secondComparer;
+    }
+
+
+    /// <summary>
+    /// This comparer sort list view groups. OLVGroups have a "SortValue" property,
+    /// which is used if present. Otherwise, the titles of the groups will be compared.
+    /// </summary>
+    /// <remarks>
+    /// Create a group comparer
+    /// </remarks>
+    /// <param name="order">The ordering for column values</param>
+    public class OLVGroupComparer(SortOrder order) : IComparer<OLVGroup>
+    {
+
+        /// <summary>
+        /// Compare the two groups. OLVGroups have a "SortValue" property,
+        /// which is used if present. Otherwise, the titles of the groups will be compared.
+        /// </summary>
+        /// <param name="x">group1</param>
+        /// <param name="y">group2</param>
+        /// <returns>An ordering indication: -1, 0, 1</returns>
+        public int Compare(OLVGroup x, OLVGroup y) {
+            // If we can compare the sort values, do that.
+            // Otherwise do a case insensitive compare on the group header.
+            int result;
+            if (x.SortValue != null && y.SortValue != null)
+                result = x.SortValue.CompareTo(y.SortValue);
+            else
+                result = String.Compare(x.Header, y.Header, StringComparison.CurrentCultureIgnoreCase);
+
+            if (this.sortOrder == SortOrder.Descending)
+                result = 0 - result;
+
+            return result;
+        }
+
+        private SortOrder sortOrder = order;
+    }
+
+    /// <summary>
+    /// This comparer can be used to sort a collection of model objects by a given column
+    /// </summary>
+    /// <remarks>
+    /// <para>This is used by virtual ObjectListViews. Non-virtual lists use
+    /// ColumnComparer</para>
+    /// </remarks>
+    /// <remarks>
+    /// Create a model object comparer
+    /// </remarks>
+    /// <param name="col"></param>
+    /// <param name="order"></param>
+    public class ModelObjectComparer(OLVColumn col, SortOrder order) : IComparer, IComparer<object>
+    {
+        /// <summary>
+        /// Gets or sets the method that will be used to compare two strings.
+        /// The default is to compare on the current culture, case-insensitive
+        /// </summary>
+        public static StringCompareDelegate StringComparer
+        {
+            get { return stringComparer; }
+            set { stringComparer = value; }
+        }
+        private static StringCompareDelegate stringComparer;
+
+        /// <summary>
+        /// Create a model object comparer with a secondary sorting column
+        /// </summary>
+        /// <param name="col"></param>
+        /// <param name="order"></param>
+        /// <param name="col2"></param>
+        /// <param name="order2"></param>
+        public ModelObjectComparer(OLVColumn col, SortOrder order, OLVColumn col2, SortOrder order2)
+            : this(col, order)
+        {
+            // There is no point in secondary sorting on the same column
+            if (col != col2 && col2 != null && order2 != SortOrder.None)
+                this.secondComparer = new ModelObjectComparer(col2, order2);
+        }
+
+        /// <summary>
+        /// Compare the two model objects
+        /// </summary>
+        /// <param name="x"></param>
+        /// <param name="y"></param>
+        /// <returns></returns>
+        public int Compare(object x, object y)
+        {
+            int result = 0;
+            object x1 = this.column.GetValue(x);
+            object y1 = this.column.GetValue(y);
+
+            if (this.sortOrder == SortOrder.None)
+                return 0;
+
+            // Handle nulls. Null values come last
+            bool xIsNull = (x1 == null || x1 == System.DBNull.Value);
+            bool yIsNull = (y1 == null || y1 == System.DBNull.Value);
+            if (xIsNull || yIsNull) {
+                if (xIsNull && yIsNull)
+                    result = 0;
+                else
+                    result = (xIsNull ? -1 : 1);
+            } else {
+                result = this.CompareValues(x1, y1);
+            }
+
+            if (this.sortOrder == SortOrder.Descending)
+                result = 0 - result;
+
+            // If the result was equality, use the secondary comparer to resolve it
+            if (result == 0 && this.secondComparer != null)
+                result = this.secondComparer.Compare(x, y);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Compare the actual values
+        /// </summary>
+        /// <param name="x"></param>
+        /// <param name="y"></param>
+        /// <returns></returns>
+        public int CompareValues(object x, object y)
+        {
+            // Force case insensitive compares on strings
+            String xStr = x as String;
+            if (xStr != null)
+                return CompareStrings(xStr, y as String);
+            
+            IComparable comparable = x as IComparable;
+            return comparable != null ? comparable.CompareTo(y) : 0;
+        }
+
+        private static int CompareStrings(string x, string y)
+        {
+            if (StringComparer == null)
+                return String.Compare(x, y, StringComparison.CurrentCultureIgnoreCase);
+            else
+                return StringComparer(x, y);
+        }
+
+        private OLVColumn column = col;
+        private SortOrder sortOrder = order;
+        private ModelObjectComparer secondComparer;
+
+        #region IComparer<object> Members
+
+        #endregion
+    }
+
+}

ObjectListView/Implementation/DataSourceAdapter.cs

@@ -0,0 +1,630 @@
+/*
+ * DataSourceAdapter - A helper class that translates DataSource events for an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 20/09/2010 7:42 AM
+ *
+ * Change log:
+ * v2.9
+ * 2015-10-31  JPP  - Put back sanity check on upper limit of source items
+ * 2015-02-02  JPP  - Made CreateColumnsFromSource() only rebuild columns when new ones were added
+ * v2.8.1
+ * 2014-11-23  JPP  - Honour initial CurrencyManager.Position when setting DataSource.
+ * 2014-10-27  JPP  - Fix issue where SelectedObject was not sync'ed with CurrencyManager.Position (SF #129)
+ * v2.6
+ * 2012-08-16  JPP  - Unify common column creation functionality with Generator when possible
+ * 
+ * 2010-09-20  JPP  - Initial version
+ * 
+ * Copyright (C) 2010-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.ComponentModel;
+using System.Data;
+using System.Windows.Forms;
+using System.Diagnostics;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A helper class that translates DataSource events for an ObjectListView
+    /// </summary>
+    public class DataSourceAdapter : IDisposable
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Make a DataSourceAdapter
+        /// </summary>
+        public DataSourceAdapter(ObjectListView olv) {
+            if (olv == null) throw new ArgumentNullException("olv");
+
+            this.ListView = olv;
+            // ReSharper disable once DoNotCallOverridableMethodsInConstructor
+            this.BindListView(this.ListView);
+        }
+
+        /// <summary>
+        /// Finalize this object
+        /// </summary>
+        ~DataSourceAdapter() {
+            this.Dispose(false);
+        }
+
+        /// <summary>
+        /// Release all the resources used by this instance
+        /// </summary>
+        public void Dispose() {
+            this.Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        /// <summary>
+        /// Release all the resources used by this instance
+        /// </summary>
+        public virtual void Dispose(bool fromUser) {
+            this.UnbindListView(this.ListView);
+            this.UnbindDataSource();
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        /// <summary>
+        /// Gets or sets whether or not columns will be automatically generated to show the
+        /// columns when the DataSource is set. 
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect afterwards.</remarks>
+        public bool AutoGenerateColumns {
+            get { return this.autoGenerateColumns; }
+            set { this.autoGenerateColumns = value; }
+        }
+        private bool autoGenerateColumns = true;
+
+        /// <summary>
+        /// Get or set the DataSource that will be displayed in this list view.
+        /// </summary>
+        public virtual Object DataSource {
+            get { return dataSource; }
+            set {
+                dataSource = value;
+                this.RebindDataSource(true);
+            }
+        }
+        private Object dataSource;
+
+        /// <summary>
+        /// Gets or sets the name of the list or table in the data source for which the DataListView is displaying data.
+        /// </summary>
+        /// <remarks>If the data source is not a DataSet or DataViewManager, this property has no effect</remarks>
+        public virtual string DataMember {
+            get { return dataMember; }
+            set {
+                if (dataMember != value) {
+                    dataMember = value;
+                    RebindDataSource();
+                }
+            }
+        }
+        private string dataMember = "";
+
+        /// <summary>
+        /// Gets the ObjectListView upon which this adaptor will operate
+        /// </summary>
+        public ObjectListView ListView {
+            get { return listView; }
+            internal set { listView = value; }
+        }
+        private ObjectListView listView;
+
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets or sets the currency manager which is handling our binding context
+        /// </summary>
+        protected CurrencyManager CurrencyManager {
+            get { return currencyManager; }
+            set { currencyManager = value; }
+        }
+        private CurrencyManager currencyManager;
+
+        #endregion
+
+        #region Binding and unbinding
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="olv"></param>
+        protected virtual void BindListView(ObjectListView olv) {
+            if (olv == null)
+                return;
+
+            olv.Freezing += new EventHandler<FreezeEventArgs>(HandleListViewFreezing);
+            olv.SelectionChanged += new EventHandler(HandleListViewSelectionChanged);
+            olv.BindingContextChanged += new EventHandler(HandleListViewBindingContextChanged);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="olv"></param>
+        protected virtual void UnbindListView(ObjectListView olv) {
+            if (olv == null)
+                return;
+
+            olv.Freezing -= new EventHandler<FreezeEventArgs>(HandleListViewFreezing);
+            olv.SelectionChanged -= new EventHandler(HandleListViewSelectionChanged);
+            olv.BindingContextChanged -= new EventHandler(HandleListViewBindingContextChanged);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        protected virtual void BindDataSource() {
+            if (this.CurrencyManager == null)
+                return;
+
+            this.CurrencyManager.MetaDataChanged += new EventHandler(HandleCurrencyManagerMetaDataChanged);
+            this.CurrencyManager.PositionChanged += new EventHandler(HandleCurrencyManagerPositionChanged);
+            this.CurrencyManager.ListChanged += new ListChangedEventHandler(CurrencyManagerListChanged);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        protected virtual void UnbindDataSource() {
+            if (this.CurrencyManager == null)
+                return;
+
+            this.CurrencyManager.MetaDataChanged -= new EventHandler(HandleCurrencyManagerMetaDataChanged);
+            this.CurrencyManager.PositionChanged -= new EventHandler(HandleCurrencyManagerPositionChanged);
+            this.CurrencyManager.ListChanged -= new ListChangedEventHandler(CurrencyManagerListChanged);
+        }
+
+        #endregion
+
+        #region Initialization
+
+        /// <summary>
+        /// Our data source has changed. Figure out how to handle the new source
+        /// </summary>
+        protected virtual void RebindDataSource() {
+            RebindDataSource(false);
+        }
+
+        /// <summary>
+        /// Our data source has changed. Figure out how to handle the new source
+        /// </summary>
+        protected virtual void RebindDataSource(bool forceDataInitialization) {
+
+            CurrencyManager tempCurrencyManager = null;
+            if (this.ListView != null && this.ListView.BindingContext != null && this.DataSource != null) {
+                tempCurrencyManager = this.ListView.BindingContext[this.DataSource, this.DataMember] as CurrencyManager;
+            }
+
+            // Has our currency manager changed?
+            if (this.CurrencyManager != tempCurrencyManager) {
+                this.UnbindDataSource();
+                this.CurrencyManager = tempCurrencyManager;
+                this.BindDataSource();
+
+                // Our currency manager has changed so we have to initialize a new data source
+                forceDataInitialization = true;
+            }
+
+            if (forceDataInitialization)
+                InitializeDataSource();
+        }
+
+        /// <summary>
+        /// The data source for this control has changed. Reconfigure the control for the new source
+        /// </summary>
+        protected virtual void InitializeDataSource() {
+            if (this.ListView.Frozen || this.CurrencyManager == null)
+                return;
+
+            this.CreateColumnsFromSource();
+            this.CreateMissingAspectGettersAndPutters();
+            this.SetListContents();
+            this.ListView.AutoSizeColumns();
+
+            // Fake a position change event so that the control matches any initial Position
+            this.HandleCurrencyManagerPositionChanged(null, null);
+        }
+
+        /// <summary>
+        /// Take the contents of the currently bound list and put them into the control
+        /// </summary>
+        protected virtual void SetListContents() {
+            this.ListView.Objects = this.CurrencyManager.List;
+        }
+
+        /// <summary>
+        /// Create columns for the listview based on what properties are available in the data source
+        /// </summary>
+        /// <remarks>
+        /// <para>This method will create columns if there is not already a column displaying that property.</para>
+        /// </remarks>
+        protected virtual void CreateColumnsFromSource() {
+            if (this.CurrencyManager == null)
+                return;
+
+            // Don't generate any columns in design mode. If we do, the user will see them,
+            // but the Designer won't know about them and won't persist them, which is very confusing
+            if (this.ListView.IsDesignMode)
+                return;
+
+            // Don't create columns if we've been told not to
+            if (!this.AutoGenerateColumns)
+                return;
+
+            // Use a Generator to create columns
+            Generator generator = Generator.Instance as Generator ?? new Generator();
+
+            PropertyDescriptorCollection properties = this.CurrencyManager.GetItemProperties();
+            if (properties.Count == 0)
+                return;
+
+            bool wereColumnsAdded = false;
+            foreach (PropertyDescriptor property in properties) {
+
+                if (!this.ShouldCreateColumn(property))
+                    continue;
+
+                // Create a column
+                OLVColumn column = generator.MakeColumnFromPropertyDescriptor(property);
+                this.ConfigureColumn(column, property);
+
+                // Add it to our list
+                this.ListView.AllColumns.Add(column);
+                wereColumnsAdded = true;
+            }
+
+            if (wereColumnsAdded)
+                generator.PostCreateColumns(this.ListView);
+        }
+
+        /// <summary>
+        /// Decide if a new column should be added to the control to display
+        /// the given property
+        /// </summary>
+        /// <param name="property"></param>
+        /// <returns></returns>
+        protected virtual bool ShouldCreateColumn(PropertyDescriptor property) {
+
+            // Is there a column that already shows this property? If so, we don't show it again
+            if (this.ListView.AllColumns.Exists(delegate(OLVColumn x) { return x.AspectName == property.Name; }))
+                return false;
+
+            // Relationships to other tables turn up as IBindibleLists. Don't make columns to show them.
+            // CHECK: Is this always true? What other things could be here? Constraints? Triggers?
+            if (property.PropertyType == typeof(IBindingList))
+                return false;
+
+            // Ignore anything marked with [OLVIgnore]
+            return property.Attributes[typeof(OLVIgnoreAttribute)] == null;
+        }
+
+        /// <summary>
+        /// Configure the given column to show the given property.
+        /// The title and aspect name of the column are already filled in.
+        /// </summary>
+        /// <param name="column"></param>
+        /// <param name="property"></param>
+        protected virtual void ConfigureColumn(OLVColumn column, PropertyDescriptor property) {
+
+            column.LastDisplayIndex = this.ListView.AllColumns.Count;
+
+            // If our column is a BLOB, it could be an image, so assign a renderer to draw it.
+            // CONSIDER: Is this a common enough case to warrant this code?
+            if (property.PropertyType == typeof(System.Byte[]))
+                column.Renderer = new ImageRenderer();
+        }
+
+        /// <summary>
+        /// Generate aspect getters and putters for any columns that are missing them (and for which we have
+        /// enough information to actually generate a getter)
+        /// </summary>
+        protected virtual void CreateMissingAspectGettersAndPutters() {
+            foreach (OLVColumn x in this.ListView.AllColumns) {
+                OLVColumn column = x; // stack based variable accessible from closures
+                if (column.AspectGetter == null && !String.IsNullOrEmpty(column.AspectName)) {
+                    column.AspectGetter = delegate(object row) {
+                        // In most cases, rows will be DataRowView objects
+                        DataRowView drv = row as DataRowView;
+                        if (drv == null) 
+                            return column.GetAspectByName(row);
+                        return (drv.Row.RowState == DataRowState.Detached) ? null : drv[column.AspectName];
+                    };
+                }
+                if (column.IsEditable && column.AspectPutter == null && !String.IsNullOrEmpty(column.AspectName)) {
+                    column.AspectPutter = delegate(object row, object newValue) {
+                        // In most cases, rows will be DataRowView objects
+                        DataRowView drv = row as DataRowView;
+                        if (drv == null)
+                            column.PutAspectByName(row, newValue);
+                        else {
+                            if (drv.Row.RowState != DataRowState.Detached)
+                                drv[column.AspectName] = newValue;
+                        }
+                    };
+                }
+            }
+        }
+
+        #endregion
+
+        #region Event Handlers
+
+        /// <summary>
+        /// CurrencyManager ListChanged event handler.
+        /// Deals with fine-grained changes to list items.
+        /// </summary>
+        /// <remarks>
+        /// It's actually difficult to deal with these changes in a fine-grained manner.
+        /// If our listview is grouped, then any change may make a new group appear or
+        /// an old group disappear. It is rarely enough to simply update the affected row.
+        /// </remarks>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected virtual void CurrencyManagerListChanged(object sender, ListChangedEventArgs e) {
+            Debug.Assert(sender == this.CurrencyManager);
+
+            // Ignore changes make while frozen, since we will do a complete rebuild when we unfreeze
+            if (this.ListView.Frozen)
+                return;
+
+            //System.Diagnostics.Debug.WriteLine(e.ListChangedType);
+            Stopwatch sw = Stopwatch.StartNew();
+            switch (e.ListChangedType) {
+
+                case ListChangedType.Reset:
+                    this.HandleListChangedReset(e);
+                    break;
+
+                case ListChangedType.ItemChanged:
+                    this.HandleListChangedItemChanged(e);
+                    break;
+
+                case ListChangedType.ItemAdded:
+                    this.HandleListChangedItemAdded(e);
+                    break;
+
+                // An item has gone away.
+                case ListChangedType.ItemDeleted:
+                    this.HandleListChangedItemDeleted(e);
+                    break;
+
+                // An item has changed its index.
+                case ListChangedType.ItemMoved:
+                    this.HandleListChangedItemMoved(e);
+                    break;
+
+                // Something has changed in the metadata.
+                // CHECK: When are these events actually fired?
+                case ListChangedType.PropertyDescriptorAdded:
+                case ListChangedType.PropertyDescriptorChanged:
+                case ListChangedType.PropertyDescriptorDeleted:
+                    this.HandleListChangedMetadataChanged(e);
+                    break;
+            }
+            sw.Stop();
+            System.Diagnostics.Debug.WriteLine(String.Format("PERF - Processing {0} event on {1} rows took {2}ms", e.ListChangedType, this.ListView.GetItemCount(), sw.ElapsedMilliseconds));
+
+        }
+
+        /// <summary>
+        /// Handle PropertyDescriptor* events
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void HandleListChangedMetadataChanged(ListChangedEventArgs e) {
+            this.InitializeDataSource();
+        }
+
+        /// <summary>
+        /// Handle ItemMoved event
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void HandleListChangedItemMoved(ListChangedEventArgs e) {
+            // When is this actually triggered?
+            this.InitializeDataSource();
+        }
+
+        /// <summary>
+        /// Handle the ItemDeleted event
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void HandleListChangedItemDeleted(ListChangedEventArgs e) {
+            this.InitializeDataSource();
+        }
+
+        /// <summary>
+        /// Handle an ItemAdded event.
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void HandleListChangedItemAdded(ListChangedEventArgs e) {
+            // We get this event twice if certain grid controls are used to add a new row to a
+            // datatable: once when the editing of a new row begins, and once again when that
+            // editing commits. (If the user cancels the creation of the new row, we never see
+            // the second creation.) We detect this by seeing if this is a view on a row in a
+            // DataTable, and if it is, testing to see if it's a new row under creation.
+
+            Object newRow = this.CurrencyManager.List[e.NewIndex];
+            DataRowView drv = newRow as DataRowView;
+            if (drv == null || !drv.IsNew) {
+                // Either we're not dealing with a view on a data table, or this is the commit
+                // notification. Either way, this is the final notification, so we want to
+                // handle the new row now!
+                this.InitializeDataSource();
+            }
+        }
+
+        /// <summary>
+        /// Handle the Reset event
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void HandleListChangedReset(ListChangedEventArgs e) {
+            // The whole list has changed utterly, so reload it.
+            this.InitializeDataSource();
+        }
+
+        /// <summary>
+        /// Handle ItemChanged event. This is triggered when a single item
+        /// has changed, so just refresh that one item.
+        /// </summary>
+        /// <param name="e"></param>
+        /// <remarks>Even in this simple case, we should probably rebuild the list.
+        /// For example, the change could put the item into its own new group.</remarks>
+        protected virtual void HandleListChangedItemChanged(ListChangedEventArgs e) {
+            // A single item has changed, so just refresh that.
+            //System.Diagnostics.Debug.WriteLine(String.Format("HandleListChangedItemChanged: {0}, {1}", e.NewIndex, e.PropertyDescriptor.Name));
+           
+            Object changedRow = this.CurrencyManager.List[e.NewIndex];
+            this.ListView.RefreshObject(changedRow);
+        }
+
+        /// <summary>
+        /// The CurrencyManager calls this if the data source looks
+        /// different. We just reload everything.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        /// <remarks>
+        /// CHECK: Do we need this if we are handle ListChanged metadata events?
+        /// </remarks>
+        protected virtual void HandleCurrencyManagerMetaDataChanged(object sender, EventArgs e) {
+            this.InitializeDataSource();
+        }
+
+        /// <summary>
+        /// Called by the CurrencyManager when the currently selected item
+        /// changes. We update the ListView selection so that we stay in sync
+        /// with any other controls bound to the same source.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected virtual void HandleCurrencyManagerPositionChanged(object sender, EventArgs e) {
+            int index = this.CurrencyManager.Position;
+
+            // Make sure the index is sane (-1 pops up from time to time)
+            if (index < 0 || index >= this.ListView.GetItemCount())
+                return;
+
+            // Avoid recursion. If we are currently changing the index, don't
+            // start the process again.
+            if (this.isChangingIndex)
+                return;
+
+            try {
+                this.isChangingIndex = true;
+                this.ChangePosition(index);
+            }
+            finally {
+                this.isChangingIndex = false;
+            }
+        }
+        private bool isChangingIndex = false;
+
+        /// <summary>
+        /// Change the control's position (which is it's currently selected row)
+        /// to the nth row in the dataset
+        /// </summary>
+        /// <param name="index">The index of the row to be selected</param>
+        protected virtual void ChangePosition(int index) {
+            // We can't use the index directly, since our listview may be sorted
+            // Only assign if not null
+            if (this.ListView.SelectedObject != null)
+            {
+                this.ListView.SelectedObject = this.CurrencyManager.List[index];
+            }
+
+            // THINK: Do we always want to bring it into view?
+            if (this.ListView.SelectedIndices.Count > 0)
+                this.ListView.EnsureVisible(this.ListView.SelectedIndices[0]);
+        }
+
+        #endregion
+
+        #region ObjectListView event handlers
+
+        /// <summary>
+        /// Handle the selection changing in our ListView.
+        /// We need to tell our currency manager about the new position.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected virtual void HandleListViewSelectionChanged(object sender, EventArgs e) {
+            // Prevent recursion
+            if (this.isChangingIndex)
+                return;
+
+            // Sanity 
+            if (this.CurrencyManager == null)
+                return;
+
+            // If only one item is selected, tell the currency manager which item is selected.
+            // CurrencyManager can't handle multiple selection so there's nothing we can do 
+            // if more than one row is selected.
+            if (this.ListView.SelectedIndices.Count != 1)
+                return;
+
+            try {
+                this.isChangingIndex = true;
+
+                // We can't use the selectedIndex directly, since our listview may be sorted and/or filtered
+                // So we have to find the index of the selected object within the original list.
+                this.CurrencyManager.Position = this.CurrencyManager.List.IndexOf(this.ListView.SelectedObject);
+            } finally {
+                this.isChangingIndex = false;
+            }
+        }
+
+        /// <summary>
+        /// Handle the frozenness of our ListView changing. 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected virtual void HandleListViewFreezing(object sender, FreezeEventArgs e) {
+            if (!alreadyFreezing && e.FreezeLevel == 0) {
+                try {
+                    alreadyFreezing = true;
+                    this.RebindDataSource(true);
+                } finally {
+                    alreadyFreezing = false;
+                }
+            }
+        }
+        private bool alreadyFreezing = false;
+
+        /// <summary>
+        /// Handle a change to the BindingContext of our ListView.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        protected virtual void HandleListViewBindingContextChanged(object sender, EventArgs e) {
+            this.RebindDataSource(false);
+        }
+
+        #endregion
+    }
+}

ObjectListView/Implementation/Delegates.cs

@@ -0,0 +1,168 @@
+/*
+ * Delegates - All delegate definitions used in ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * v2.10
+ * 2015-12-30  JPP  - Added CellRendererGetterDelegate
+ * v2.?
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2015 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Windows.Forms;
+using System.Drawing;
+
+namespace BrightIdeasSoftware {
+
+    #region Delegate declarations
+
+    /// <summary>
+    /// These delegates are used to extract an aspect from a row object
+    /// </summary>
+    public delegate Object AspectGetterDelegate(Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to put a changed value back into a model object
+    /// </summary>
+    public delegate void AspectPutterDelegate(Object rowObject, Object newValue);
+
+    /// <summary>
+    /// These delegates can be used to convert an aspect value to a display string,
+    /// instead of using the default ToString()
+    /// </summary>
+    public delegate string AspectToStringConverterDelegate(Object value);
+
+    /// <summary>
+    /// These delegates are used to get the tooltip for a cell
+    /// </summary>
+    public delegate String CellToolTipGetterDelegate(OLVColumn column, Object modelObject);
+
+    /// <summary>
+    /// These delegates are used to the state of the checkbox for a row object.
+    /// </summary>
+    /// <remarks><para>
+    /// For reasons known only to someone in Microsoft, we can only set
+    /// a boolean on the ListViewItem to indicate it's "checked-ness", but when
+    /// we receive update events, we have to use a tristate CheckState. So we can
+    /// be told about an indeterminate state, but we can't set it ourselves.
+    /// </para>
+    /// <para>As of version 2.0, we can now return indeterminate state.</para>
+    /// </remarks>
+    public delegate CheckState CheckStateGetterDelegate(Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to get the state of the checkbox for a row object.
+    /// </summary>
+    /// <param name="rowObject"></param>
+    /// <returns></returns>
+    public delegate bool BooleanCheckStateGetterDelegate(Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to put a changed check state back into a model object
+    /// </summary>
+    public delegate CheckState CheckStatePutterDelegate(Object rowObject, CheckState newValue);
+
+    /// <summary>
+    /// These delegates are used to put a changed check state back into a model object
+    /// </summary>
+    /// <param name="rowObject"></param>
+    /// <param name="newValue"></param>
+    /// <returns></returns>
+    public delegate bool BooleanCheckStatePutterDelegate(Object rowObject, bool newValue);
+
+    /// <summary>
+    /// These delegates are used to get the renderer for a particular cell
+    /// </summary>
+    public delegate IRenderer CellRendererGetterDelegate(Object rowObject, OLVColumn column);
+
+    /// <summary>
+    /// The callbacks for RightColumnClick events
+    /// </summary>
+    public delegate void ColumnRightClickEventHandler(object sender, ColumnClickEventArgs e);
+
+    /// <summary>
+    /// This delegate will be used to own draw header column.
+    /// </summary>
+    public delegate bool HeaderDrawingDelegate(Graphics g, Rectangle r, int columnIndex, OLVColumn column, bool isPressed, HeaderStateStyle stateStyle);
+
+    /// <summary>
+    /// This delegate is called when a group has been created but not yet made
+    /// into a real ListViewGroup. The user can take this opportunity to fill
+    /// in lots of other details about the group.
+    /// </summary>
+    public delegate void GroupFormatterDelegate(OLVGroup group, GroupingParameters parms);
+
+    /// <summary>
+    /// These delegates are used to retrieve the object that is the key of the group to which the given row belongs.
+    /// </summary>
+    public delegate Object GroupKeyGetterDelegate(Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to convert a group key into a title for the group
+    /// </summary>
+    public delegate string GroupKeyToTitleConverterDelegate(Object groupKey);
+
+    /// <summary>
+    /// These delegates are used to get the tooltip for a column header
+    /// </summary>
+    public delegate String HeaderToolTipGetterDelegate(OLVColumn column);
+        
+    /// <summary>
+    /// These delegates are used to fetch the image selector that should be used
+    /// to choose an image for this column.
+    /// </summary>
+    public delegate Object ImageGetterDelegate(Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to draw a cell
+    /// </summary>
+    public delegate bool RenderDelegate(EventArgs e, Graphics g, Rectangle r, Object rowObject);
+
+    /// <summary>
+    /// These delegates are used to fetch a row object for virtual lists
+    /// </summary>
+    public delegate Object RowGetterDelegate(int rowIndex);
+
+    /// <summary>
+    /// These delegates are used to format a listviewitem before it is added to the control.
+    /// </summary>
+    public delegate void RowFormatterDelegate(OLVListItem olvItem);
+
+    /// <summary>
+    /// These delegates can be used to return the array of texts that should be searched for text filtering
+    /// </summary>
+    public delegate string[] SearchValueGetterDelegate(Object value);
+
+    /// <summary>
+    /// These delegates are used to sort the listview in some custom fashion
+    /// </summary>
+    public delegate void SortDelegate(OLVColumn column, SortOrder sortOrder);
+
+    /// <summary>
+    /// These delegates are used to order two strings.
+    /// x cannot be null. y can be null.
+    /// </summary>
+    public delegate int StringCompareDelegate(string x, string y);
+
+    #endregion
+}

ObjectListView/Implementation/DragSource.cs

@@ -0,0 +1,407 @@
+///*
+// * DragSource.cs - Add drag source functionality to an ObjectListView
+// *
+// * UNFINISHED
+// *
+// * Author: Phillip Piper
+// * Date: 2009-03-17 5:15 PM
+// *
+// * Change log:
+// * v2.3
+// * 2009-07-06   JPP  - Make sure Link is acceptable as an drop effect by default
+// *                     (since MS didn't make it part of the 'All' value)
+// * v2.2
+// * 2009-04-15   JPP  - Separated DragSource.cs into DropSink.cs
+// * 2009-03-17   JPP  - Initial version
+// *
+// * Copyright (C) 2009 Phillip Piper
+// *
+// * This program is free software: you can redistribute it and/or modify
+// * it under the terms of the GNU General Public License as published by
+// * the Free Software Foundation, either version 3 of the License, or
+// * (at your option) any later version.
+// *
+// * This program is distributed in the hope that it will be useful,
+// * but WITHOUT ANY WARRANTY; without even the implied warranty of
+// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// * GNU General Public License for more details.
+// *
+// * You should have received a copy of the GNU General Public License
+// * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// *
+// * If you wish to use this code in a closed source application, please contact phillip_piper@bigfoot.com.
+// */
+
+//using System;
+//using System.Collections;
+//using System.Collections.Generic;
+//using System.Text;
+//using System.Windows.Forms;
+//using System.Drawing;
+//using System.Drawing.Drawing2D;
+
+//namespace BrightIdeasSoftware
+//{
+//    /// <summary>
+//    /// An IDragSource controls how drag out from the ObjectListView will behave
+//    /// </summary>
+//    public interface IDragSource
+//    {
+//        /// <summary>
+//        /// A drag operation is beginning. Return the data object that will be used
+//        /// for data transfer. Return null to prevent the drag from starting.
+//        /// </summary>
+//        /// <remarks>
+//        /// The returned object is later passed to the GetAllowedEffect() and EndDrag()
+//        /// methods.
+//        /// </remarks>
+//        /// <param name="olv">What ObjectListView is being dragged from.</param>
+//        /// <param name="button">Which mouse button is down?</param>
+//        /// <param name="item">What item was directly dragged by the user? There may be more than just this
+//        /// item selected.</param>
+//        /// <returns>The data object that will be used for data transfer. This will often be a subclass
+//        /// of DataObject, but does not need to be.</returns>
+//        Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item);
+
+//        /// <summary>
+//        /// What operations are possible for this drag? This controls the icon shown during the drag
+//        /// </summary>
+//        /// <param name="dragObject">The data object returned by StartDrag()</param>
+//        /// <returns>A combination of DragDropEffects flags</returns>
+//        DragDropEffects GetAllowedEffects(Object dragObject);
+
+//        /// <summary>
+//        /// The drag operation is complete. Do whatever is necessary to complete the action.
+//        /// </summary>
+//        /// <param name="dragObject">The data object returned by StartDrag()</param>
+//        /// <param name="effect">The value returned from GetAllowedEffects()</param>
+//        void EndDrag(Object dragObject, DragDropEffects effect);
+//    }
+
+//    /// <summary>
+//    /// A do-nothing implementation of IDragSource that can be safely subclassed.
+//    /// </summary>
+//    public class AbstractDragSource : IDragSource
+//    {
+//        #region IDragSource Members
+
+//        /// <summary>
+//        /// See IDragSource documentation
+//        /// </summary>
+//        /// <param name="olv"></param>
+//        /// <param name="button"></param>
+//        /// <param name="item"></param>
+//        /// <returns></returns>
+//        public virtual Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item) {
+//            return null;
+//        }
+
+//        /// <summary>
+//        /// See IDragSource documentation
+//        /// </summary>
+//        /// <param name="data"></param>
+//        /// <returns></returns>
+//        public virtual DragDropEffects GetAllowedEffects(Object data) {
+//            return DragDropEffects.None;
+//        }
+
+//        /// <summary>
+//        /// See IDragSource documentation
+//        /// </summary>
+//        /// <param name="dragObject"></param>
+//        /// <param name="effect"></param>
+//        public virtual void EndDrag(Object dragObject, DragDropEffects effect) {
+//        }
+
+//        #endregion
+//    }
+
+//    /// <summary>
+//    /// A reasonable implementation of IDragSource that provides normal
+//    /// drag source functionality. It creates a data object that supports
+//    /// inter-application dragging of text and HTML representation of
+//    /// the dragged rows. It can optionally force a refresh of all dragged
+//    /// rows when the drag is complete.
+//    /// </summary>
+//    /// <remarks>Subclasses can override GetDataObject() to add new
+//    /// data formats to the data transfer object.</remarks>
+//    public class SimpleDragSource : IDragSource
+//    {
+//        #region Constructors
+
+//        /// <summary>
+//        /// Construct a SimpleDragSource
+//        /// </summary>
+//        public SimpleDragSource() {
+//        }
+
+//        /// <summary>
+//        /// Construct a SimpleDragSource that refreshes the dragged rows when
+//        /// the drag is complete
+//        /// </summary>
+//        /// <param name="refreshAfterDrop"></param>
+//        public SimpleDragSource(bool refreshAfterDrop) {
+//            this.RefreshAfterDrop = refreshAfterDrop;
+//        }
+
+//        #endregion
+
+//        #region Public properties
+
+//        /// <summary>
+//        /// Gets or sets whether the dragged rows should be refreshed when the
+//        /// drag operation is complete.
+//        /// </summary>
+//        public bool RefreshAfterDrop {
+//            get { return refreshAfterDrop; }
+//            set { refreshAfterDrop = value;  }
+//        }
+//        private bool refreshAfterDrop;
+
+//        #endregion
+
+//        #region IDragSource Members
+
+//        /// <summary>
+//        /// Create a DataObject when the user does a left mouse drag operation.
+//        /// See IDragSource for further information.
+//        /// </summary>
+//        /// <param name="olv"></param>
+//        /// <param name="button"></param>
+//        /// <param name="item"></param>
+//        /// <returns></returns>
+//        public virtual Object StartDrag(ObjectListView olv, MouseButtons button, OLVListItem item) {
+//            // We only drag on left mouse
+//            if (button != MouseButtons.Left)
+//                return null;
+
+//            return this.CreateDataObject(olv);
+//        }
+
+//        /// <summary>
+//        /// Which operations are allowed in the operation? By default, all operations are supported.
+//        /// </summary>
+//        /// <param name="data"></param>
+//        /// <returns>All opertions are supported</returns>
+//        public virtual DragDropEffects GetAllowedEffects(Object data) {
+//            return DragDropEffects.All | DragDropEffects.Link; // why didn't MS include 'Link' in 'All'??
+//        }
+
+//        /// <summary>
+//        /// The drag operation is finished. Refreshe the dragged rows if so configured.
+//        /// </summary>
+//        /// <param name="dragObject"></param>
+//        /// <param name="effect"></param>
+//        public virtual void EndDrag(Object dragObject, DragDropEffects effect) {
+//            OLVDataObject data = dragObject as OLVDataObject;
+//            if (data == null)
+//                return;
+
+//            if (this.RefreshAfterDrop)
+//                data.ListView.RefreshObjects(data.ModelObjects);
+//        }
+
+//        /// <summary>
+//        /// Create a data object that will be used to as the data object
+//        /// for the drag operation.
+//        /// </summary>
+//        /// <remarks>
+//        /// Subclasses can override this method add new formats to the data object.
+//        /// </remarks>
+//        /// <param name="olv">The ObjectListView that is the source of the drag</param>
+//        /// <returns>A data object for the drag</returns>
+//        protected virtual object CreateDataObject(ObjectListView olv) {
+//            OLVDataObject data = new OLVDataObject(olv);
+//            data.CreateTextFormats();
+//            return data;
+//        }
+
+//        #endregion
+//    }
+
+//    /// <summary>
+//    /// A data transfer object that knows how to transform a list of model
+//    /// objects into a text and HTML representation.
+//    /// </summary>
+//    public class OLVDataObject : DataObject
+//    {
+//        #region Life and death
+
+//        /// <summary>
+//        /// Create a data object from the selected objects in the given ObjectListView
+//        /// </summary>
+//        /// <param name="olv">The source of the data object</param>
+//        public OLVDataObject(ObjectListView olv) : this(olv, olv.SelectedObjects) {
+//        }
+
+//        /// <summary>
+//        /// Create a data object which operates on the given model objects
+//        /// in the given ObjectListView
+//        /// </summary>
+//        /// <param name="olv">The source of the data object</param>
+//        /// <param name="modelObjects">The model objects to be put into the data object</param>
+//        public OLVDataObject(ObjectListView olv, IList modelObjects) {
+//            this.objectListView = olv;
+//            this.modelObjects = modelObjects;
+//            this.includeHiddenColumns = olv.IncludeHiddenColumnsInDataTransfer;
+//            this.includeColumnHeaders = olv.IncludeColumnHeadersInCopy;
+//        }
+
+//        #endregion
+
+//        #region Properties
+
+//        /// <summary>
+//        /// Gets or sets whether hidden columns will also be included in the text
+//        /// and HTML representation. If this is false, only visible columns will
+//        /// be included.
+//        /// </summary>
+//        public bool IncludeHiddenColumns {
+//            get { return includeHiddenColumns; }
+//        }
+//        private bool includeHiddenColumns;
+
+//        /// <summary>
+//        /// Gets or sets whether column headers will also be included in the text
+//        /// and HTML representation.
+//        /// </summary>
+//        public bool IncludeColumnHeaders
+//        {
+//            get { return includeColumnHeaders; }
+//        }
+//        private bool includeColumnHeaders;
+
+//        /// <summary>
+//        /// Gets the ObjectListView that is being used as the source of the data
+//        /// </summary>
+//        public ObjectListView ListView {
+//            get { return objectListView; }
+//        }
+//        private ObjectListView objectListView;
+
+//        /// <summary>
+//        /// Gets the model objects that are to be placed in the data object
+//        /// </summary>
+//        public IList ModelObjects {
+//            get { return modelObjects; }
+//        }
+//        private IList modelObjects = new ArrayList();
+
+//        #endregion
+
+//        /// <summary>
+//        /// Put a text and HTML representation of our model objects
+//        /// into the data object.
+//        /// </summary>
+//        public void CreateTextFormats() {
+//            IList<OLVColumn> columns = this.IncludeHiddenColumns ? this.ListView.AllColumns : this.ListView.ColumnsInDisplayOrder;
+
+//            // Build text and html versions of the selection
+//            StringBuilder sbText = new StringBuilder();
+//            StringBuilder sbHtml = new StringBuilder("<table>");
+
+//            // Include column headers
+//            if (includeColumnHeaders)
+//            {
+//                sbHtml.Append("<tr><td>");
+//                foreach (OLVColumn col in columns)
+//                {
+//                    if (col != columns[0])
+//                    {
+//                        sbText.Append("\t");
+//                        sbHtml.Append("</td><td>");
+//                    }
+//                    string strValue = col.Text;
+//                    sbText.Append(strValue);
+//                    sbHtml.Append(strValue); //TODO: Should encode the string value
+//                }
+//                sbText.AppendLine();
+//                sbHtml.AppendLine("</td></tr>");
+//            }
+
+//            foreach (object modelObject in this.ModelObjects)
+//            {
+//                sbHtml.Append("<tr><td>");
+//                foreach (OLVColumn col in columns) {
+//                    if (col != columns[0]) {
+//                        sbText.Append("\t");
+//                        sbHtml.Append("</td><td>");
+//                    }
+//                    string strValue = col.GetStringValue(modelObject);
+//                    sbText.Append(strValue);
+//                    sbHtml.Append(strValue); //TODO: Should encode the string value
+//                }
+//                sbText.AppendLine();
+//                sbHtml.AppendLine("</td></tr>");
+//            }
+//            sbHtml.AppendLine("</table>");
+
+//            // Put both the text and html versions onto the clipboard.
+//            // For some reason, SetText() with UnicodeText doesn't set the basic CF_TEXT format,
+//            // but using SetData() does.
+//            //this.SetText(sbText.ToString(), TextDataFormat.UnicodeText);
+//            this.SetData(sbText.ToString());
+//            this.SetText(ConvertToHtmlFragment(sbHtml.ToString()), TextDataFormat.Html);
+//        }
+
+//        /// <summary>
+//        /// Make a HTML representation of our model objects
+//        /// </summary>
+//        public string CreateHtml() {
+//            IList<OLVColumn> columns = this.ListView.ColumnsInDisplayOrder;
+
+//            // Build html version of the selection
+//            StringBuilder sbHtml = new StringBuilder("<table>");
+
+//            foreach (object modelObject in this.ModelObjects) {
+//                sbHtml.Append("<tr><td>");
+//                foreach (OLVColumn col in columns) {
+//                    if (col != columns[0]) {
+//                        sbHtml.Append("</td><td>");
+//                    }
+//                    string strValue = col.GetStringValue(modelObject);
+//                    sbHtml.Append(strValue); //TODO: Should encode the string value
+//                }
+//                sbHtml.AppendLine("</td></tr>");
+//            }
+//            sbHtml.AppendLine("</table>");
+
+//            return sbHtml.ToString();
+//        }
+
+//        /// <summary>
+//        /// Convert the fragment of HTML into the Clipboards HTML format.
+//        /// </summary>
+//        /// <remarks>The HTML format is found here http://msdn2.microsoft.com/en-us/library/aa767917.aspx
+//        /// </remarks>
+//        /// <param name="fragment">The HTML to put onto the clipboard. It must be valid HTML!</param>
+//        /// <returns>A string that can be put onto the clipboard and will be recognized as HTML</returns>
+//        private string ConvertToHtmlFragment(string fragment) {
+//            // Minimal implementation of HTML clipboard format
+//            string source = "http://www.codeproject.com/KB/list/ObjectListView.aspx";
+
+//            const String MARKER_BLOCK =
+//                "Version:1.0\r\n" +
+//                "StartHTML:{0,8}\r\n" +
+//                "EndHTML:{1,8}\r\n" +
+//                "StartFragment:{2,8}\r\n" +
+//                "EndFragment:{3,8}\r\n" +
+//                "StartSelection:{2,8}\r\n" +
+//                "EndSelection:{3,8}\r\n" +
+//                "SourceURL:{4}\r\n" +
+//                "{5}";
+
+//            int prefixLength = String.Format(MARKER_BLOCK, 0, 0, 0, 0, source, "").Length;
+
+//            const String DEFAULT_HTML_BODY =
+//                "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">" +
+//                "<HTML><HEAD></HEAD><BODY><!--StartFragment-->{0}<!--EndFragment--></BODY></HTML>";
+
+//            string html = String.Format(DEFAULT_HTML_BODY, fragment);
+//            int startFragment = prefixLength + html.IndexOf(fragment);
+//            int endFragment = startFragment + fragment.Length;
+
+//            return String.Format(MARKER_BLOCK, prefixLength, prefixLength + html.Length, startFragment, endFragment, source, html);
+//        }
+//    }
+//}

ObjectListView/Implementation/Enums.cs

@@ -0,0 +1,104 @@
+/*
+ * Enums - All enum definitions used in ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightIdeasSoftware {
+
+    public partial class ObjectListView {
+        /// <summary>
+        /// How does a user indicate that they want to edit cells?
+        /// </summary>
+        public enum CellEditActivateMode {
+            /// <summary>
+            /// This list cannot be edited. F2 does nothing.
+            /// </summary>
+            None = 0,
+
+            /// <summary>
+            /// A single click on  a <strong>subitem</strong> will edit the value. Single clicking the primary column,
+            /// selects the row just like normal. The user must press F2 to edit the primary column.
+            /// </summary>
+            SingleClick = 1,
+
+            /// <summary>
+            /// Double clicking a subitem or the primary column will edit that cell.
+            /// F2 will edit the primary column.
+            /// </summary>
+            DoubleClick = 2,
+
+            /// <summary>
+            /// Pressing F2 is the only way to edit the cells. Once the primary column is being edited,
+            /// the other cells in the row can be edited by pressing Tab.
+            /// </summary>
+            F2Only = 3,
+
+            /// <summary>
+            /// A single click on  a <strong>any</strong> cell will edit the value, even the primary column.
+            /// </summary>
+            SingleClickAlways = 4,
+        }
+
+        /// <summary>
+        /// These values specify how column selection will be presented to the user
+        /// </summary>
+        public enum ColumnSelectBehaviour {
+            /// <summary>
+            /// No column selection will be presented 
+            /// </summary>
+            None,
+
+            /// <summary>
+            /// The columns will be show in the main menu
+            /// </summary>
+            InlineMenu,
+
+            /// <summary>
+            /// The columns will be shown in a submenu
+            /// </summary>
+            Submenu,
+
+            /// <summary>
+            /// A model dialog will be presented to allow the user to choose columns
+            /// </summary>
+            ModelDialog,
+
+            /*
+             * NonModelDialog is just a little bit tricky since the OLV can change views while the dialog is showing
+             * So, just comment this out for the time being.
+             
+            /// <summary>
+            /// A non-model dialog will be presented to allow the user to choose columns
+            /// </summary>
+            NonModelDialog
+             * 
+             */
+        }
+    }
+}

ObjectListView/Implementation/GroupingParameters.cs

@@ -0,0 +1,175 @@
+/*
+ * GroupingParameters - All the data that is used to create groups in an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// This class contains all the settings used when groups are created
+    /// </summary>
+    public class GroupingParameters {
+        /// <summary>
+        /// Create a GroupingParameters
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="groupByColumn"></param>
+        /// <param name="groupByOrder"></param>
+        /// <param name="column"></param>
+        /// <param name="order"></param>
+        /// <param name="secondaryColumn"></param>
+        /// <param name="secondaryOrder"></param>
+        /// <param name="titleFormat"></param>
+        /// <param name="titleSingularFormat"></param>
+        /// <param name="sortItemsByPrimaryColumn"></param>
+        public GroupingParameters(ObjectListView olv, OLVColumn groupByColumn, SortOrder groupByOrder,
+            OLVColumn column, SortOrder order, OLVColumn secondaryColumn, SortOrder secondaryOrder,
+            string titleFormat, string titleSingularFormat, bool sortItemsByPrimaryColumn) {
+            this.ListView = olv;
+            this.GroupByColumn = groupByColumn;
+            this.GroupByOrder = groupByOrder;
+            this.PrimarySort = column;
+            this.PrimarySortOrder = order;
+            this.SecondarySort = secondaryColumn;
+            this.SecondarySortOrder = secondaryOrder;
+            this.SortItemsByPrimaryColumn = sortItemsByPrimaryColumn;
+            this.TitleFormat = titleFormat;
+            this.TitleSingularFormat = titleSingularFormat;
+        }
+
+        /// <summary>
+        /// Gets or sets the ObjectListView being grouped
+        /// </summary>
+        public ObjectListView ListView {
+            get { return this.listView; }
+            set { this.listView = value; }
+        }
+        private ObjectListView listView;
+
+        /// <summary>
+        /// Gets or sets the column used to create groups
+        /// </summary>
+        public OLVColumn GroupByColumn {
+            get { return this.groupByColumn; }
+            set { this.groupByColumn = value; }
+        }
+        private OLVColumn groupByColumn;
+
+        /// <summary>
+        /// In what order will the groups themselves be sorted?
+        /// </summary>
+        public SortOrder GroupByOrder {
+            get { return this.groupByOrder; }
+            set { this.groupByOrder = value; }
+        }
+        private SortOrder groupByOrder;
+
+        /// <summary>
+        /// If this is set, this comparer will be used to order the groups
+        /// </summary>
+        public IComparer<OLVGroup> GroupComparer {
+            get { return this.groupComparer; }
+            set { this.groupComparer = value; }
+        }
+        private IComparer<OLVGroup> groupComparer;
+
+        /// <summary>
+        /// If this is set, this comparer will be used to order items within each group
+        /// </summary>
+        public IComparer<OLVListItem> ItemComparer {
+            get { return this.itemComparer; }
+            set { this.itemComparer = value; }
+        }
+        private IComparer<OLVListItem> itemComparer;
+
+        /// <summary>
+        /// Gets or sets the column that will be the primary sort
+        /// </summary>
+        public OLVColumn PrimarySort {
+            get { return this.primarySort; }
+            set { this.primarySort = value; }
+        }
+        private OLVColumn primarySort;
+
+        /// <summary>
+        /// Gets or sets the ordering for the primary sort
+        /// </summary>
+        public SortOrder PrimarySortOrder {
+            get { return this.primarySortOrder; }
+            set { this.primarySortOrder = value; }
+        }
+        private SortOrder primarySortOrder;
+
+        /// <summary>
+        /// Gets or sets the column used for secondary sorting
+        /// </summary>
+        public OLVColumn SecondarySort {
+            get { return this.secondarySort; }
+            set { this.secondarySort = value; }
+        }
+        private OLVColumn secondarySort;
+
+        /// <summary>
+        /// Gets or sets the ordering for the secondary sort
+        /// </summary>
+        public SortOrder SecondarySortOrder {
+            get { return this.secondarySortOrder; }
+            set { this.secondarySortOrder = value; }
+        }
+        private SortOrder secondarySortOrder;
+
+        /// <summary>
+        /// Gets or sets the title format used for groups with zero or more than one element
+        /// </summary>
+        public string TitleFormat {
+            get { return this.titleFormat; }
+            set { this.titleFormat = value; }
+        }
+        private string titleFormat;
+
+        /// <summary>
+        /// Gets or sets the title format used for groups with only one element
+        /// </summary>
+        public string TitleSingularFormat {
+            get { return this.titleSingularFormat; }
+            set { this.titleSingularFormat = value; }
+        }
+        private string titleSingularFormat;
+
+        /// <summary>
+        /// Gets or sets whether the items should be sorted by the primary column
+        /// </summary>
+        public bool SortItemsByPrimaryColumn {
+            get { return this.sortItemsByPrimaryColumn; }
+            set { this.sortItemsByPrimaryColumn = value; }
+        }
+        private bool sortItemsByPrimaryColumn;
+    }
+}

ObjectListView/Implementation/Groups.cs

@@ -0,0 +1,747 @@
+/*
+ * Groups - Enhancements to the normal ListViewGroup
+ *
+ * Author: Phillip Piper
+ * Date: 22/08/2009 6:03PM
+ *
+ * Change log:
+ * v2.3
+ * 2009-09-09   JPP  - Added Collapsed and Collapsible properties
+ * 2009-09-01   JPP  - Cleaned up code, added more docs
+ *                   - Works under VS2005 again
+ * 2009-08-22   JPP  - Initial version
+ *
+ * To do:
+ * - Implement subseting
+ * - Implement footer items
+ * 
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// These values indicate what is the state of the group. These values
+    /// are taken directly from the SDK and many are not used by ObjectListView.
+    /// </summary>
+    [Flags]
+    public enum GroupState
+    {
+        /// <summary>
+        /// Normal
+        /// </summary>
+        LVGS_NORMAL = 0x0,
+
+        /// <summary>
+        /// Collapsed
+        /// </summary>
+        LVGS_COLLAPSED = 0x1,
+
+        /// <summary>
+        /// Hidden
+        /// </summary>
+        LVGS_HIDDEN = 0x2,
+
+        /// <summary>
+        /// NoHeader
+        /// </summary>
+        LVGS_NOHEADER = 0x4,
+
+        /// <summary>
+        /// Can be collapsed
+        /// </summary>
+        LVGS_COLLAPSIBLE = 0x8,
+
+        /// <summary>
+        /// Has focus
+        /// </summary>
+        LVGS_FOCUSED = 0x10,
+
+        /// <summary>
+        /// Is Selected
+        /// </summary>
+        LVGS_SELECTED = 0x20,
+
+        /// <summary>
+        /// Is subsetted
+        /// </summary>
+        LVGS_SUBSETED = 0x40,
+
+        /// <summary>
+        /// Subset link has focus
+        /// </summary>
+        LVGS_SUBSETLINKFOCUSED = 0x80,
+
+        /// <summary>
+        /// All styles
+        /// </summary>
+        LVGS_ALL = 0xFFFF
+    }
+
+    /// <summary>
+    /// This mask indicates which members of a LVGROUP have valid data. These values
+    /// are taken directly from the SDK and many are not used by ObjectListView.
+    /// </summary>
+    [Flags]
+    public enum GroupMask
+    {
+        /// <summary>
+        /// No mask
+        /// </summary>
+        LVGF_NONE = 0,
+
+        /// <summary>
+        /// Group has header
+        /// </summary>
+        LVGF_HEADER = 1,
+
+        /// <summary>
+        /// Group has footer
+        /// </summary>
+        LVGF_FOOTER = 2,
+
+        /// <summary>
+        /// Group has state
+        /// </summary>
+        LVGF_STATE = 4,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGF_ALIGN = 8,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGF_GROUPID = 0x10,
+
+        /// <summary>
+        /// pszSubtitle is valid
+        /// </summary>
+        LVGF_SUBTITLE = 0x00100,  
+
+        /// <summary>
+        /// pszTask is valid
+        /// </summary>
+        LVGF_TASK = 0x00200, 
+
+        /// <summary>
+        /// pszDescriptionTop is valid
+        /// </summary>
+        LVGF_DESCRIPTIONTOP = 0x00400,  
+
+        /// <summary>
+        /// pszDescriptionBottom is valid
+        /// </summary>
+        LVGF_DESCRIPTIONBOTTOM = 0x00800,  
+
+        /// <summary>
+        /// iTitleImage is valid
+        /// </summary>
+        LVGF_TITLEIMAGE = 0x01000,  
+
+        /// <summary>
+        /// iExtendedImage is valid
+        /// </summary>
+        LVGF_EXTENDEDIMAGE = 0x02000,  
+        
+        /// <summary>
+        /// iFirstItem and cItems are valid
+        /// </summary>
+        LVGF_ITEMS = 0x04000,  
+        
+        /// <summary>
+        /// pszSubsetTitle is valid
+        /// </summary>
+        LVGF_SUBSET = 0x08000,  
+     
+        /// <summary>
+        /// readonly, cItems holds count of items in visible subset, iFirstItem is valid
+        /// </summary>
+        LVGF_SUBSETITEMS = 0x10000  
+    }
+
+    /// <summary>
+    /// This mask indicates which members of a GROUPMETRICS structure are valid
+    /// </summary>
+    [Flags]
+    public enum GroupMetricsMask
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGMF_NONE = 0,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGMF_BORDERSIZE = 1,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGMF_BORDERCOLOR = 2,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVGMF_TEXTCOLOR = 4
+    }
+
+    /// <summary>
+    /// Instances of this class enhance the capabilities of a normal ListViewGroup,
+    /// enabling the functionality that was released in v6 of the common controls.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// In this implementation (2009-09), these objects are essentially passive.
+    /// Setting properties does not automatically change the associated group in
+    /// the listview. Collapsed and Collapsible are two exceptions to this and 
+    /// give immediate results.
+    /// </para>
+    /// <para>
+    /// This really should be a subclass of ListViewGroup, but that class is 
+    /// sealed (why is that?). So this class provides the same interface as a
+    /// ListViewGroup, plus many other new properties.
+    /// </para>
+    /// </remarks>
+    public class OLVGroup
+    {
+        #region Creation
+
+        /// <summary>
+        /// Create an OLVGroup
+        /// </summary>
+        public OLVGroup() : this("Default group header") {
+        }
+
+        /// <summary>
+        /// Create a group with the given title
+        /// </summary>
+        /// <param name="header">Title of the group</param>
+        public OLVGroup(string header) {
+            this.Header = header;
+            this.Id = OLVGroup.nextId++;
+            this.TitleImage = -1;
+            this.ExtendedImage = -1;
+        }
+        private static int nextId;
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets the bottom description of the group
+        /// </summary>
+        /// <remarks>
+        /// Descriptions only appear when group is centered and there is a title image
+        /// </remarks>
+        public string BottomDescription {
+            get { return this.bottomDescription; }
+            set { this.bottomDescription = value; }
+        }
+        private string bottomDescription;
+
+        /// <summary>
+        /// Gets or sets whether or not this group is collapsed
+        /// </summary>
+        public bool Collapsed {
+            get { return this.GetOneState(GroupState.LVGS_COLLAPSED); }
+            set { this.SetOneState(value, GroupState.LVGS_COLLAPSED); }
+        }
+
+        /// <summary>
+        /// Gets or sets whether or not this group can be collapsed
+        /// </summary>
+        public bool Collapsible {
+            get { return this.GetOneState(GroupState.LVGS_COLLAPSIBLE); }
+            set { this.SetOneState(value, GroupState.LVGS_COLLAPSIBLE); }
+        }
+
+        /// <summary>
+        /// Gets or sets some representation of the contents of this group
+        /// </summary>
+        /// <remarks>This is user defined (like Tag)</remarks>
+        public IList Contents {
+            get { return this.contents; }
+            set { this.contents = value; }
+        }
+        private IList contents;
+
+        /// <summary>
+        /// Gets whether this group has been created.
+        /// </summary>
+        public bool Created {
+            get { return this.ListView != null; }
+        }
+
+        /// <summary>
+        /// Gets or sets the int or string that will select the extended image to be shown against the title
+        /// </summary>
+        public object ExtendedImage {
+            get { return this.extendedImage; }
+            set { this.extendedImage = value; }
+        }
+        private object extendedImage;
+
+        /// <summary>
+        /// Gets or sets the footer of the group
+        /// </summary>
+        public string Footer {
+            get { return this.footer; }
+            set { this.footer = value; }
+        }
+        private string footer;
+
+        /// <summary>
+        /// Gets the internal id of our associated ListViewGroup.
+        /// </summary>
+        public int GroupId {
+            get {
+                if (this.ListViewGroup == null)
+                    return this.Id;
+
+                // Use reflection to get around the access control on the ID property
+                if (OLVGroup.groupIdPropInfo == null) {
+                    OLVGroup.groupIdPropInfo = typeof(ListViewGroup).GetProperty("ID", 
+                        BindingFlags.NonPublic | BindingFlags.Instance);
+                    System.Diagnostics.Debug.Assert(OLVGroup.groupIdPropInfo != null);
+                }
+                
+                int? groupId = OLVGroup.groupIdPropInfo.GetValue(this.ListViewGroup, null) as int?;
+                return groupId.HasValue ? groupId.Value : -1;
+            }
+        }
+        private static PropertyInfo groupIdPropInfo;
+
+        /// <summary>
+        /// Gets or sets the header of the group
+        /// </summary>
+        public string Header {
+            get { return this.header; }
+            set { this.header = value; }
+        }
+        private string header;
+
+        /// <summary>
+        /// Gets or sets the horizontal alignment of the group header
+        /// </summary>
+        public HorizontalAlignment HeaderAlignment {
+            get { return this.headerAlignment; }
+            set { this.headerAlignment = value; }
+        }
+        private HorizontalAlignment headerAlignment;
+
+        /// <summary>
+        /// Gets or sets the internally created id of the group
+        /// </summary>
+        public int Id {
+            get { return this.id; }
+            set { this.id = value; }
+        }
+        private int id;
+
+        /// <summary>
+        /// Gets or sets ListViewItems that are members of this group
+        /// </summary>
+        /// <remarks>Listener of the BeforeCreatingGroups event can populate this collection.
+        /// It is only used on non-virtual lists.</remarks>
+        public IList<OLVListItem> Items {
+            get { return this.items; }
+            set { this.items = value; }
+        }
+        private IList<OLVListItem> items = new List<OLVListItem>();
+
+        /// <summary>
+        /// Gets or sets the key that was used to partition objects into this group
+        /// </summary>
+        /// <remarks>This is user defined (like Tag)</remarks>
+        public object Key {
+            get { return this.key; }
+            set { this.key = value; }
+        }
+        private object key;
+
+        /// <summary>
+        /// Gets the ObjectListView that this group belongs to
+        /// </summary>
+        /// <remarks>If this is null, the group has not yet been created.</remarks>
+        public ObjectListView ListView {
+            get { return this.listView; }
+            protected set { this.listView = value; }
+        }
+        private ObjectListView listView;
+
+        /// <summary>
+        /// Gets or sets the name of the group
+        /// </summary>
+        /// <remarks>As of 2009-09-01, this property is not used.</remarks>
+        public string Name {
+            get { return this.name; }
+            set { this.name = value; }
+        }
+        private string name;
+
+        /// <summary>
+        /// Gets or sets whether this group is focused
+        /// </summary>
+        public bool Focused
+        {
+            get { return this.GetOneState(GroupState.LVGS_FOCUSED); }
+            set { this.SetOneState(value, GroupState.LVGS_FOCUSED); }
+        }
+
+        /// <summary>
+        /// Gets or sets whether this group is selected
+        /// </summary>
+        public bool Selected
+        {
+            get { return this.GetOneState(GroupState.LVGS_SELECTED); }
+            set { this.SetOneState(value, GroupState.LVGS_SELECTED); }
+        }
+
+        /// <summary>
+        /// Gets or sets the text that will show that this group is subsetted
+        /// </summary>
+        /// <remarks>
+        /// As of WinSDK v7.0, subsetting of group is officially unimplemented.
+        /// We can get around this using undocumented interfaces and may do so.
+        /// </remarks>
+        public string SubsetTitle {
+            get { return this.subsetTitle; }
+            set { this.subsetTitle = value; }
+        }
+        private string subsetTitle;
+
+        /// <summary>
+        /// Gets or set the subtitleof the task
+        /// </summary>
+        public string Subtitle {
+            get { return this.subtitle; }
+            set { this.subtitle = value; }
+        }
+        private string subtitle;
+
+        /// <summary>
+        /// Gets or sets the value by which this group will be sorted.
+        /// </summary>
+        public IComparable SortValue {
+            get { return this.sortValue; }
+            set { this.sortValue = value; }
+        }
+        private IComparable sortValue;
+
+        /// <summary>
+        /// Gets or sets the state of the group
+        /// </summary>
+        public GroupState State {
+            get { return this.state; }
+            set { this.state = value; }
+        }
+        private GroupState state;
+
+        /// <summary>
+        /// Gets or sets which bits of State are valid
+        /// </summary>
+        public GroupState StateMask {
+            get { return this.stateMask; }
+            set { this.stateMask = value; }
+        }
+        private GroupState stateMask;
+
+        /// <summary>
+        /// Gets or sets whether this group is showing only a subset of its elements
+        /// </summary>
+        /// <remarks>
+        /// As of WinSDK v7.0, this property officially does nothing.
+        /// </remarks>
+        public bool Subseted {
+            get { return this.GetOneState(GroupState.LVGS_SUBSETED); }
+            set { this.SetOneState(value, GroupState.LVGS_SUBSETED); }
+        }
+
+        /// <summary>
+        /// Gets or sets the user-defined data attached to this group
+        /// </summary>
+        public object Tag {
+            get { return this.tag; }
+            set { this.tag = value; }
+        }
+        private object tag;
+
+        /// <summary>
+        /// Gets or sets the task of this group
+        /// </summary>
+        /// <remarks>This task is the clickable text that appears on the right margin
+        /// of the group header.</remarks>
+        public string Task {
+            get { return this.task; }
+            set { this.task = value; }
+        }
+        private string task;
+
+        /// <summary>
+        /// Gets or sets the int or string that will select the image to be shown against the title
+        /// </summary>
+        public object TitleImage {
+            get { return this.titleImage; }
+            set { this.titleImage = value; }
+        }
+        private object titleImage;
+
+        /// <summary>
+        /// Gets or sets the top description of the group
+        /// </summary>
+        /// <remarks>
+        /// Descriptions only appear when group is centered and there is a title image
+        /// </remarks>
+        public string TopDescription {
+            get { return this.topDescription; }
+            set { this.topDescription = value; }
+        }
+        private string topDescription;
+
+        /// <summary>
+        /// Gets or sets the number of items that are within this group.
+        /// </summary>
+        /// <remarks>This should only be used for virtual groups.</remarks>
+        public int VirtualItemCount {
+            get { return this.virtualItemCount; }
+            set { this.virtualItemCount = value; }
+        }
+        private int virtualItemCount;
+
+        #endregion
+
+        #region Protected properties
+
+        /// <summary>
+        /// Gets or sets the ListViewGroup that is shadowed by this group.
+        /// </summary>
+        /// <remarks>For virtual groups, this will always be null.</remarks>
+        protected ListViewGroup ListViewGroup {
+            get { return this.listViewGroup; }
+            set { this.listViewGroup = value; }
+        }
+        private ListViewGroup listViewGroup;
+        #endregion
+
+        #region Calculations/Conversions
+
+        /// <summary>
+        /// Calculate the index into the group image list of the given image selector
+        /// </summary>
+        /// <param name="imageSelector"></param>
+        /// <returns></returns>
+        public int GetImageIndex(object imageSelector) {
+            if (imageSelector == null || this.ListView == null || this.ListView.GroupImageList == null)
+                return -1;
+
+            if (imageSelector is Int32)
+                return (int)imageSelector;
+
+            String imageSelectorAsString = imageSelector as String;
+            if (imageSelectorAsString != null)
+                return this.ListView.GroupImageList.Images.IndexOfKey(imageSelectorAsString);
+
+            return -1;
+        }
+
+        /// <summary>
+        /// Convert this object to a string representation
+        /// </summary>
+        /// <returns></returns>
+        public override string ToString() {
+            return this.Header;
+        }
+
+        #endregion
+
+        #region Commands
+
+        /// <summary>
+        /// Insert a native group into the underlying Windows control,
+        /// *without* using a ListViewGroup
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <remarks>This is used when creating virtual groups</remarks>
+        public void InsertGroupNewStyle(ObjectListView olv) {
+            this.ListView = olv;
+            NativeMethods.InsertGroup(olv, this.AsNativeGroup(true));
+        }
+
+        /// <summary>
+        /// Insert a native group into the underlying control via a ListViewGroup
+        /// </summary>
+        /// <param name="olv"></param>
+        public void InsertGroupOldStyle(ObjectListView olv) {
+            this.ListView = olv;
+
+            // Create/update the associated ListViewGroup
+            if (this.ListViewGroup == null)
+                this.ListViewGroup = new ListViewGroup();
+            this.ListViewGroup.Header = this.Header;
+            this.ListViewGroup.HeaderAlignment = this.HeaderAlignment;
+            this.ListViewGroup.Name = this.Name;
+
+            // Remember which OLVGroup created the ListViewGroup
+            this.ListViewGroup.Tag = this; 
+            
+            // Add the group to the control
+            olv.Groups.Add(this.ListViewGroup);
+
+            // Add any extra information
+            NativeMethods.SetGroupInfo(olv, this.GroupId, this.AsNativeGroup(false));
+        }
+
+        /// <summary>
+        /// Change the members of the group to match the current contents of Items,
+        /// using a ListViewGroup
+        /// </summary>
+        public void SetItemsOldStyle() {
+            List<OLVListItem> list = this.Items as List<OLVListItem>;
+            if (list == null) {
+                foreach (OLVListItem item in this.Items) {
+                    this.ListViewGroup.Items.Add(item);
+                }
+            } else {
+                this.ListViewGroup.Items.AddRange(list.ToArray());
+            }
+        }
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Create a native LVGROUP structure that matches this group
+        /// </summary>
+        internal NativeMethods.LVGROUP2 AsNativeGroup(bool withId) {
+
+            NativeMethods.LVGROUP2 group = new NativeMethods.LVGROUP2();
+            group.cbSize = (uint)Marshal.SizeOf(typeof(NativeMethods.LVGROUP2));
+            group.mask = (uint)(GroupMask.LVGF_HEADER ^ GroupMask.LVGF_ALIGN ^ GroupMask.LVGF_STATE);
+            group.pszHeader = this.Header;
+            group.uAlign = (uint)this.HeaderAlignment;
+            group.stateMask = (uint)this.StateMask;
+            group.state = (uint)this.State;
+
+            if (withId) {
+                group.iGroupId = this.GroupId;
+                group.mask ^= (uint)GroupMask.LVGF_GROUPID;
+            }
+
+            if (!String.IsNullOrEmpty(this.Footer)) {
+                group.pszFooter = this.Footer;
+                group.mask ^= (uint)GroupMask.LVGF_FOOTER;
+            }
+
+            if (!String.IsNullOrEmpty(this.Subtitle)) {
+                group.pszSubtitle = this.Subtitle;
+                group.mask ^= (uint)GroupMask.LVGF_SUBTITLE;
+            }
+
+            if (!String.IsNullOrEmpty(this.Task)) {
+                group.pszTask = this.Task;
+                group.mask ^= (uint)GroupMask.LVGF_TASK;
+            }
+
+            if (!String.IsNullOrEmpty(this.TopDescription)) {
+                group.pszDescriptionTop = this.TopDescription;
+                group.mask ^= (uint)GroupMask.LVGF_DESCRIPTIONTOP;
+            }
+
+            if (!String.IsNullOrEmpty(this.BottomDescription)) {
+                group.pszDescriptionBottom = this.BottomDescription;
+                group.mask ^= (uint)GroupMask.LVGF_DESCRIPTIONBOTTOM;
+            }
+
+            int imageIndex = this.GetImageIndex(this.TitleImage);
+            if (imageIndex >= 0) {
+                group.iTitleImage = imageIndex;
+                group.mask ^= (uint)GroupMask.LVGF_TITLEIMAGE;
+            }
+
+            imageIndex = this.GetImageIndex(this.ExtendedImage);
+            if (imageIndex >= 0) {
+                group.iExtendedImage = imageIndex;
+                group.mask ^= (uint)GroupMask.LVGF_EXTENDEDIMAGE;
+            }
+
+            if (!String.IsNullOrEmpty(this.SubsetTitle)) {
+                group.pszSubsetTitle = this.SubsetTitle;
+                group.mask ^= (uint)GroupMask.LVGF_SUBSET;
+            }
+
+            if (this.VirtualItemCount > 0) {
+                group.cItems = this.VirtualItemCount;
+                group.mask ^= (uint)GroupMask.LVGF_ITEMS;
+            }
+
+            return group;
+        }
+
+        private bool GetOneState(GroupState mask) {
+            if (this.Created)
+                this.State = this.GetState();
+            return (this.State & mask) == mask;
+        }
+
+        /// <summary>
+        /// Get the current state of this group from the underlying control
+        /// </summary>
+        protected GroupState GetState() {
+            return NativeMethods.GetGroupState(this.ListView, this.GroupId, GroupState.LVGS_ALL);
+        }
+
+        /// <summary>
+        /// Get the current state of this group from the underlying control
+        /// </summary>
+        protected int SetState(GroupState newState, GroupState mask) {
+            NativeMethods.LVGROUP2 group = new NativeMethods.LVGROUP2();
+            group.cbSize = ((uint)Marshal.SizeOf(typeof(NativeMethods.LVGROUP2)));
+            group.mask = (uint)GroupMask.LVGF_STATE;
+            group.state = (uint)newState;
+            group.stateMask = (uint)mask;
+            return NativeMethods.SetGroupInfo(this.ListView, this.GroupId, group);
+        }
+
+        private void SetOneState(bool value, GroupState mask)
+        {
+            this.StateMask ^= mask;
+            if (value)
+                this.State ^= mask;
+            else
+                this.State &= ~mask;
+
+            if (this.Created)
+                this.SetState(this.State, mask);
+        }
+
+        #endregion
+
+    }
+}

ObjectListView/Implementation/Munger.cs

@@ -0,0 +1,559 @@
+/*
+ * Munger - An Interface pattern on getting and setting values from object through Reflection
+ *
+ * Author: Phillip Piper
+ * Date: 28/11/2008 17:15 
+ *
+ * Change log:
+ * v2.5.1
+ * 2012-05-01  JPP  - Added IgnoreMissingAspects property
+ * v2.5
+ * 2011-05-20  JPP  - Accessing through an indexer when the target had both a integer and
+ *                    a string indexer didn't work reliably.
+ * v2.4.1
+ * 2010-08-10  JPP  - Refactored into Munger/SimpleMunger. 3x faster!
+ * v2.3
+ * 2009-02-15  JPP  - Made Munger a public class
+ * 2009-01-20  JPP  - Made the Munger capable of handling indexed access.
+ *                    Incidentally, this removed the ugliness that the last change introduced.
+ * 2009-01-18  JPP  - Handle target objects from a DataListView (normally DataRowViews)
+ * v2.0
+ * 2008-11-28  JPP  Initial version
+ *
+ * TO DO:
+ *
+ * Copyright (C) 2006-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// An instance of Munger gets a value from or puts a value into a target object. The property
+    /// to be peeked (or poked) is determined from a string. The peeking or poking is done using reflection.
+    /// </summary>
+    /// <remarks>
+    /// Name of the aspect to be peeked can be a field, property or parameterless method. The name of an
+    /// aspect to poke can be a field, writable property or single parameter method.
+    /// <para>
+    /// Aspect names can be dotted to chain a series of references. 
+    /// </para>
+    /// <example>Order.Customer.HomeAddress.State</example>
+    /// </remarks>
+    public class Munger
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Create a do nothing Munger
+        /// </summary>
+        public Munger()
+        {
+        }
+
+        /// <summary>
+        /// Create a Munger that works on the given aspect name
+        /// </summary>
+        /// <param name="aspectName">The name of the </param>
+        public Munger(String aspectName)
+        {
+            this.AspectName = aspectName;
+        }
+
+        #endregion
+
+        #region Static utility methods
+
+        /// <summary>
+        /// A helper method to put the given value into the given aspect of the given object.
+        /// </summary>
+        /// <remarks>This method catches and silently ignores any errors that occur
+        /// while modifying the target object</remarks>
+        /// <param name="target">The object to be modified</param>
+        /// <param name="propertyName">The name of the property/field to be modified</param>
+        /// <param name="value">The value to be assigned</param>
+        /// <returns>Did the modification work?</returns>
+        public static bool PutProperty(object target, string propertyName, object value) {
+            try {
+                Munger munger = new Munger(propertyName);
+                return munger.PutValue(target, value);
+            }
+            catch (MungerException) {
+                // Not a lot we can do about this. Something went wrong in the bowels
+                // of the property. Let's take the ostrich approach and just ignore it :-)
+
+                // Normally, we would never just silently ignore an exception.
+                // However, in this case, this is a utility method that explicitly 
+                // contracts to catch and ignore errors. If this is not acceptible,
+                // the programmer should not use this method.
+            } 
+
+            return false;
+        }
+
+        /// <summary>
+        /// Gets or sets whether Mungers will silently ignore missing aspect errors.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// By default, if a Munger is asked to fetch a field/property/method
+        /// that does not exist from a model, it returns an error message, since that 
+        /// condition is normally a programming error. There are some use cases where
+        /// this is not an error, and the munger should simply keep quiet.
+        /// </para>
+        /// <para>By default this is true during release builds.</para>
+        /// </remarks>
+        public static bool IgnoreMissingAspects {
+            get { return ignoreMissingAspects;  }
+            set { ignoreMissingAspects = value;  }
+        }
+        private static bool ignoreMissingAspects
+#if !DEBUG
+            = true
+#endif
+            ;
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// The name of the aspect that is to be peeked or poked.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// This name can be a field, property or parameter-less method.
+        /// </para>
+        /// <para>
+        /// The name can be dotted, which chains references. If any link in the chain returns
+        /// null, the entire chain is considered to return null.
+        /// </para>
+        /// </remarks>
+        /// <example>"DateOfBirth"</example>
+        /// <example>"Owner.HomeAddress.Postcode"</example>
+        public string AspectName
+        {
+            get { return aspectName; }
+            set { 
+                aspectName = value;
+
+                // Clear any cache
+                aspectParts = null;
+            }
+        }
+        private string aspectName;
+
+        #endregion
+
+
+        #region Public interface
+
+        /// <summary>
+        /// Extract the value indicated by our AspectName from the given target.
+        /// </summary>
+        /// <remarks>If the aspect name is null or empty, this will return null.</remarks>
+        /// <param name="target">The object that will be peeked</param>
+        /// <returns>The value read from the target</returns>
+        public Object GetValue(Object target) {
+            if (this.Parts.Count == 0)
+                return null;
+
+            try {
+                return this.EvaluateParts(target, this.Parts);
+            } catch (MungerException ex) {
+                if (Munger.IgnoreMissingAspects) 
+                    return null;
+                
+                return String.Format("'{0}' is not a parameter-less method, property or field of type '{1}'",
+                                         ex.Munger.AspectName, ex.Target.GetType());
+            }
+        }
+
+        /// <summary>
+        /// Extract the value indicated by our AspectName from the given target, raising exceptions
+        /// if the munger fails.
+        /// </summary>
+        /// <remarks>If the aspect name is null or empty, this will return null.</remarks>
+        /// <param name="target">The object that will be peeked</param>
+        /// <returns>The value read from the target</returns>
+        public Object GetValueEx(Object target) {
+            if (this.Parts.Count == 0)
+                return null;
+
+            return this.EvaluateParts(target, this.Parts);
+        }
+
+        /// <summary>
+        /// Poke the given value into the given target indicated by our AspectName.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// If the AspectName is a dotted path, all the selectors bar the last
+        /// are used to find the object that should be updated, and the last
+        /// selector is used as the property to update on that object.
+        /// </para>
+        /// <para>
+        /// So, if 'target' is a Person and the AspectName is "HomeAddress.Postcode",
+        /// this method will first fetch "HomeAddress" property, and then try to set the
+        /// "Postcode" property on the home address object.
+        /// </para>
+        /// </remarks>
+        /// <param name="target">The object that will be poked</param>
+        /// <param name="value">The value that will be poked into the target</param>
+        /// <returns>bool indicating whether the put worked</returns>
+        public bool PutValue(Object target, Object value)
+        {
+            if (this.Parts.Count == 0)
+                return false;
+
+            SimpleMunger lastPart = this.Parts[this.Parts.Count - 1];
+
+            if (this.Parts.Count > 1) {
+                List<SimpleMunger> parts = new List<SimpleMunger>(this.Parts);
+                parts.RemoveAt(parts.Count - 1);
+                try {
+                    target = this.EvaluateParts(target, parts);
+                } catch (MungerException ex) {
+                    this.ReportPutValueException(ex);
+                    return false;
+                }
+            }
+
+            if (target != null) {
+                try {
+                    return lastPart.PutValue(target, value);
+                } catch (MungerException ex) {
+                    this.ReportPutValueException(ex);
+                }
+            }
+
+            return false;
+        }
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Gets the list of SimpleMungers that match our AspectName
+        /// </summary>
+        private IList<SimpleMunger> Parts {
+            get {
+                if (aspectParts == null)
+                    aspectParts = BuildParts(this.AspectName);
+                return aspectParts;
+            }
+        }
+        private IList<SimpleMunger> aspectParts;
+
+        /// <summary>
+        /// Convert a possibly dotted AspectName into a list of SimpleMungers
+        /// </summary>
+        /// <param name="aspect"></param>
+        /// <returns></returns>
+        private IList<SimpleMunger> BuildParts(string aspect) {
+            List<SimpleMunger> parts = new List<SimpleMunger>();
+            if (!String.IsNullOrEmpty(aspect)) {
+                foreach (string part in aspect.Split('.')) {
+                    parts.Add(new SimpleMunger(part.Trim()));
+                }
+            }
+            return parts;
+        }
+
+        /// <summary>
+        /// Evaluate the given chain of SimpleMungers against an initial target.
+        /// </summary>
+        /// <param name="target"></param>
+        /// <param name="parts"></param>
+        /// <returns></returns>
+        private object EvaluateParts(object target, IList<SimpleMunger> parts) {
+            foreach (SimpleMunger part in parts) {
+                if (target == null)
+                    break;
+                target = part.GetValue(target);
+            }
+            return target;
+        }
+
+        private void ReportPutValueException(MungerException ex) {
+            //TODO: How should we report this error?
+            System.Diagnostics.Debug.WriteLine("PutValue failed");
+            System.Diagnostics.Debug.WriteLine(String.Format("- Culprit aspect: {0}", ex.Munger.AspectName));
+            System.Diagnostics.Debug.WriteLine(String.Format("- Target: {0} of type {1}", ex.Target, ex.Target.GetType()));
+            System.Diagnostics.Debug.WriteLine(String.Format("- Inner exception: {0}", ex.InnerException));
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// A SimpleMunger deals with a single property/field/method on its target.
+    /// </summary>
+    /// <remarks>
+    /// Munger uses a chain of these resolve a dotted aspect name.
+    /// </remarks>
+    /// <remarks>
+    /// Create a SimpleMunger
+    /// </remarks>
+    /// <param name="aspectName"></param>
+    public class SimpleMunger(String aspectName)
+    {
+
+        #region Life and death
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// The name of the aspect that is to be peeked or poked.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// This name can be a field, property or method. 
+        /// When using a method to get a value, the method must be parameter-less.
+        /// When using a method to set a value, the method must accept 1 parameter.
+        /// </para>
+        /// <para>
+        /// It cannot be a dotted name.
+        /// </para>
+        /// </remarks>
+        public string AspectName {
+            get { return aspectName; }
+        }
+        private readonly string aspectName = aspectName;
+
+        #endregion
+
+        #region Public interface
+
+        /// <summary>
+        /// Get a value from the given target
+        /// </summary>
+        /// <param name="target"></param>
+        /// <returns></returns>
+        public Object GetValue(Object target) {
+            if (target == null)
+                return null;
+
+            this.ResolveName(target, this.AspectName, 0);
+
+            try {
+                if (this.resolvedPropertyInfo != null)
+                    return this.resolvedPropertyInfo.GetValue(target, null);
+
+                if (this.resolvedMethodInfo != null)
+                    return this.resolvedMethodInfo.Invoke(target, null);
+
+                if (this.resolvedFieldInfo != null)
+                    return this.resolvedFieldInfo.GetValue(target);
+
+                // If that didn't work, try to use the indexer property. 
+                // This covers things like dictionaries and DataRows.
+                if (this.indexerPropertyInfo != null)
+                    return this.indexerPropertyInfo.GetValue(target, new object[] { this.AspectName });
+            } catch (Exception ex) {
+                // Lots of things can do wrong in these invocations
+                throw new MungerException(this, target, ex);
+            }
+
+            // If we get to here, we couldn't find a match for the aspect
+            throw new MungerException(this, target, new MissingMethodException());
+        }
+
+        /// <summary>
+        /// Poke the given value into the given target indicated by our AspectName.
+        /// </summary>
+        /// <param name="target">The object that will be poked</param>
+        /// <param name="value">The value that will be poked into the target</param>
+        /// <returns>bool indicating if the put worked</returns>
+        public bool PutValue(object target, object value) {
+            if (target == null)
+                return false;
+
+            this.ResolveName(target, this.AspectName, 1);
+
+            try {
+                if (this.resolvedPropertyInfo != null) {
+                    this.resolvedPropertyInfo.SetValue(target, value, null);
+                    return true;
+                }
+
+                if (this.resolvedMethodInfo != null) {
+                    this.resolvedMethodInfo.Invoke(target, new object[] { value });
+                    return true;
+                }
+
+                if (this.resolvedFieldInfo != null) {
+                    this.resolvedFieldInfo.SetValue(target, value);
+                    return true;
+                }
+
+                // If that didn't work, try to use the indexer property. 
+                // This covers things like dictionaries and DataRows.
+                if (this.indexerPropertyInfo != null) {
+                    this.indexerPropertyInfo.SetValue(target, value, new object[] { this.AspectName });
+                    return true;
+                }
+            } catch (Exception ex) {
+                // Lots of things can do wrong in these invocations
+                throw new MungerException(this, target, ex);
+            }
+
+            return false;
+        }
+
+        #endregion
+
+        #region Implementation
+
+        private void ResolveName(object target, string name, int numberMethodParameters) {
+
+            if (cachedTargetType == target.GetType() && cachedName == name && cachedNumberParameters == numberMethodParameters)
+                return;
+
+            cachedTargetType = target.GetType();
+            cachedName = name;
+            cachedNumberParameters = numberMethodParameters;
+
+            resolvedFieldInfo = null;
+            resolvedPropertyInfo = null;
+            resolvedMethodInfo = null;
+            indexerPropertyInfo = null;
+
+            const BindingFlags flags = BindingFlags.Public | BindingFlags.Instance /*| BindingFlags.NonPublic*/;
+
+            foreach (PropertyInfo pinfo in target.GetType().GetProperties(flags)) {
+                if (pinfo.Name == name) {
+                    resolvedPropertyInfo = pinfo;
+                    return;
+                }
+                
+                // See if we can find an string indexer property while we are here.
+                // We also need to allow for old style <object> keyed collections.
+                if (indexerPropertyInfo == null && pinfo.Name == "Item") {
+                    ParameterInfo[] par = pinfo.GetGetMethod().GetParameters();
+                    if (par.Length > 0) {
+                         Type parameterType = par[0].ParameterType;
+                         if (parameterType == typeof(string) || parameterType == typeof(object))
+                              indexerPropertyInfo = pinfo;
+                    }
+                }
+            }
+
+            foreach (FieldInfo info in target.GetType().GetFields(flags)) {
+                if (info.Name == name) {
+                    resolvedFieldInfo = info;
+                    return;
+                }
+            }
+
+            foreach (MethodInfo info in target.GetType().GetMethods(flags)) {
+                if (info.Name == name && info.GetParameters().Length == numberMethodParameters) {
+                    resolvedMethodInfo = info;
+                    return;
+                }
+            }
+        }
+
+        private Type cachedTargetType;
+        private string cachedName;
+        private int cachedNumberParameters;
+
+        private FieldInfo resolvedFieldInfo;
+        private PropertyInfo resolvedPropertyInfo;
+        private MethodInfo resolvedMethodInfo;
+        private PropertyInfo indexerPropertyInfo;
+        
+        #endregion
+    }
+
+    /// <summary>
+    /// These exceptions are raised when a munger finds something it cannot process
+    /// </summary>
+    /// <remarks>
+    /// Create a MungerException
+    /// </remarks>
+    /// <param name="munger"></param>
+    /// <param name="target"></param>
+    /// <param name="ex"></param>
+    public class MungerException(SimpleMunger munger, object target, Exception ex) : ApplicationException("Munger failed", ex)
+    {
+
+        /// <summary>
+        /// Get the munger that raised the exception
+        /// </summary>
+        public SimpleMunger Munger {
+            get { return munger; }
+        }
+        private readonly SimpleMunger munger = munger;
+
+        /// <summary>
+        /// Gets the target that threw the exception
+        /// </summary>
+        public object Target {
+            get { return target; }
+        }
+        private readonly object target = target;
+    }
+
+    /*
+     * We don't currently need this
+     * 2010-08-06
+     * 
+     
+    internal class SimpleBinder : Binder
+    {
+        public override FieldInfo BindToField(BindingFlags bindingAttr, FieldInfo[] match, object value, System.Globalization.CultureInfo culture) {
+            //return Type.DefaultBinder.BindToField(
+            throw new NotImplementedException();
+        }
+
+        public override object ChangeType(object value, Type type, System.Globalization.CultureInfo culture) {
+            throw new NotImplementedException();
+        }
+
+        public override MethodBase BindToMethod(BindingFlags bindingAttr, MethodBase[] match, ref object[] args, ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, string[] names, out object state) {
+            throw new NotImplementedException();
+        }
+
+        public override void ReorderArgumentArray(ref object[] args, object state) {
+            throw new NotImplementedException();
+        }
+
+        public override MethodBase SelectMethod(BindingFlags bindingAttr, MethodBase[] match, Type[] types, ParameterModifier[] modifiers) {
+            throw new NotImplementedException();
+        }
+
+        public override PropertyInfo SelectProperty(BindingFlags bindingAttr, PropertyInfo[] match, Type returnType, Type[] indexes, ParameterModifier[] modifiers) {
+            if (match == null)
+                throw new ArgumentNullException("match");
+
+            if (match.Length == 0)
+                return null;
+
+            return match[0];
+        }
+    }
+     */
+
+}

ObjectListView/Implementation/NullableDictionary.cs

@@ -0,0 +1,87 @@
+/*
+ * NullableDictionary - A simple Dictionary that can handle null as a key
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Collections;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// A simple-minded implementation of a Dictionary that can handle null as a key.
+    /// </summary>
+    /// <typeparam name="TKey">The type of the dictionary key</typeparam>
+    /// <typeparam name="TValue">The type of the values to be stored</typeparam>
+    /// <remarks>This is not a full implementation and is only meant to handle
+    /// collecting groups by their keys, since groups can have null as a key value.</remarks>
+    internal class NullableDictionary<TKey, TValue> : Dictionary<TKey, TValue> {
+        private bool hasNullKey;
+        private TValue nullValue;
+
+        new public TValue this[TKey key] {
+            get {
+                if (key != null) 
+                    return base[key];
+
+                if (this.hasNullKey)
+                    return this.nullValue;
+
+                throw new KeyNotFoundException();
+            }
+            set {
+                if (key == null) {
+                    this.hasNullKey = true;
+                    this.nullValue = value;
+                } else
+                    base[key] = value;
+            }
+        }
+
+        new public bool ContainsKey(TKey key) {
+            return key == null ? this.hasNullKey : base.ContainsKey(key);
+        }
+
+        new public IList Keys {
+            get {
+                ArrayList list = new ArrayList(base.Keys);
+                if (this.hasNullKey)
+                    list.Add(null);
+                return list;
+            }
+        }
+
+        new public IList<TValue> Values {
+            get {
+                List<TValue> list = new List<TValue>(base.Values);
+                if (this.hasNullKey)
+                    list.Add(this.nullValue);
+                return list;
+            }
+        }
+    }
+}

ObjectListView/Implementation/OLVListItem.cs

@@ -0,0 +1,321 @@
+/*
+ * OLVListItem - A row in an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2015-08-22  JPP  - Added OLVListItem.SelectedBackColor and SelectedForeColor
+ * 2015-06-09  JPP  - Added HasAnyHyperlinks property
+ * v2.8
+ * 2014-09-27  JPP  - Remove faulty caching of CheckState
+ * 2014-05-06  JPP  - Added OLVListItem.Enabled flag
+ * vOld
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2015 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Text;
+using System.Windows.Forms;
+using System.Drawing;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// OLVListItems are specialized ListViewItems that know which row object they came from,
+    /// and the row index at which they are displayed, even when in group view mode. They
+    /// also know the image they should draw against themselves
+    /// </summary>
+    public class OLVListItem : ListViewItem {
+        #region Constructors
+
+        /// <summary>
+        /// Create a OLVListItem for the given row object
+        /// </summary>
+        public OLVListItem(object rowObject) {
+            this.rowObject = rowObject;
+        }
+
+        /// <summary>
+        /// Create a OLVListItem for the given row object, represented by the given string and image
+        /// </summary>
+        public OLVListItem(object rowObject, string text, Object image)
+            : base(text, -1) {
+            this.rowObject = rowObject;
+            this.imageSelector = image;
+        }
+
+        #endregion.
+
+        #region Properties
+
+        /// <summary>
+        /// Gets the bounding rectangle of the item, including all subitems
+        /// </summary>
+        new public Rectangle Bounds {
+            get {
+                try {
+                    return base.Bounds;
+                }
+                catch (System.ArgumentException) {
+                    // If the item is part of a collapsed group, Bounds will throw an exception
+                    return Rectangle.Empty;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets how many pixels will be left blank around each cell of this item
+        /// </summary>
+        /// <remarks>This setting only takes effect when the control is owner drawn.</remarks>
+        public Rectangle? CellPadding {
+            get { return this.cellPadding; }
+            set { this.cellPadding = value; }
+        }
+        private Rectangle? cellPadding;
+
+        /// <summary>
+        /// Gets or sets how the cells of this item will be vertically aligned
+        /// </summary>
+        /// <remarks>This setting only takes effect when the control is owner drawn.</remarks>
+        public StringAlignment? CellVerticalAlignment {
+            get { return this.cellVerticalAlignment; }
+            set { this.cellVerticalAlignment = value; }
+        }
+        private StringAlignment? cellVerticalAlignment;
+
+        /// <summary>
+        /// Gets or sets the checkedness of this item.
+        /// </summary>
+        /// <remarks>
+        /// Virtual lists don't handle checkboxes well, so we have to intercept attempts to change them
+        /// through the items, and change them into something that will work.
+        /// Unfortunately, this won't work if this property is set through the base class, since
+        /// the property is not declared as virtual.
+        /// </remarks>
+        new public bool Checked {
+            get {
+                return base.Checked;
+            }
+            set {
+                if (this.Checked != value) {
+                    if (value)
+                        ((ObjectListView)this.ListView).CheckObject(this.RowObject);
+                    else
+                        ((ObjectListView)this.ListView).UncheckObject(this.RowObject);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Enable tri-state checkbox.
+        /// </summary>
+        /// <remarks>.NET's Checked property was not built to handle tri-state checkboxes,
+        /// and will return True for both Checked and Indeterminate states.</remarks>
+        public CheckState CheckState {
+            get {
+                switch (this.StateImageIndex) {
+                    case 0:
+                        return System.Windows.Forms.CheckState.Unchecked;
+                    case 1:
+                        return System.Windows.Forms.CheckState.Checked;
+                    case 2:
+                        return System.Windows.Forms.CheckState.Indeterminate;
+                    default:
+                        return System.Windows.Forms.CheckState.Unchecked;
+                }
+            }
+            set {
+                switch (value) {
+                    case System.Windows.Forms.CheckState.Unchecked:
+                        this.StateImageIndex = 0;
+                        break;
+                    case System.Windows.Forms.CheckState.Checked:
+                        this.StateImageIndex = 1;
+                        break;
+                    case System.Windows.Forms.CheckState.Indeterminate:
+                        this.StateImageIndex = 2;
+                        break;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets if this item has any decorations set for it.
+        /// </summary>
+        public bool HasDecoration {
+            get {
+                return this.decorations != null && this.decorations.Count > 0;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the decoration that will be drawn over this item
+        /// </summary>
+        /// <remarks>Setting this replaces all other decorations</remarks>
+        public IDecoration Decoration {
+            get {
+                if (this.HasDecoration)
+                    return this.Decorations[0];
+                else
+                    return null;
+            }
+            set {
+                this.Decorations.Clear();
+                if (value != null)
+                    this.Decorations.Add(value);
+            }
+        }
+
+        /// <summary>
+        /// Gets the collection of decorations that will be drawn over this item
+        /// </summary>
+        public IList<IDecoration> Decorations {
+            get {
+                if (this.decorations == null)
+                    this.decorations = new List<IDecoration>();
+                return this.decorations;
+            }
+        }
+        private IList<IDecoration> decorations;
+
+        /// <summary>
+        /// Gets whether or not this row can be selected and activated
+        /// </summary>
+        public bool Enabled
+        {
+            get { return this.enabled; }
+            internal set { this.enabled = value; }
+        }
+        private bool enabled;
+
+        /// <summary>
+        /// Gets whether any cell on this item is showing a hyperlink
+        /// </summary>
+        public bool HasAnyHyperlinks {
+            get {
+                foreach (OLVListSubItem subItem in this.SubItems) {
+                    if (!String.IsNullOrEmpty(subItem.Url))
+                        return true;
+                }
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Get or set the image that should be shown against this item
+        /// </summary>
+        /// <remarks><para>This can be an Image, a string or an int. A string or an int will
+        /// be used as an index into the small image list.</para></remarks>
+        public Object ImageSelector {
+            get { return imageSelector; }
+            set {
+                imageSelector = value;
+                if (value is Int32)
+                    this.ImageIndex = (Int32)value;
+                else if (value is String)
+                    this.ImageKey = (String)value;
+                else
+                    this.ImageIndex = -1;
+            }
+        }
+        private Object imageSelector;
+
+        /// <summary>
+        /// Gets or sets the the model object that is source of the data for this list item.
+        /// </summary>
+        public object RowObject {
+            get { return rowObject; }
+            set { rowObject = value; }
+        }
+        private object rowObject;
+
+        /// <summary>
+        /// Gets or sets the color that will be used for this row's background when it is selected and 
+        /// the control is focused.
+        /// </summary>
+        /// <remarks>
+        /// <para>To work reliably, this property must be set during a FormatRow event.</para>
+        /// <para>
+        /// If this is not set, the normal selection BackColor will be used.
+        /// </para>
+        /// </remarks>
+        public Color? SelectedBackColor {
+            get { return this.selectedBackColor; }
+            set { this.selectedBackColor = value; }
+        }
+        private Color? selectedBackColor;
+
+        /// <summary>
+        /// Gets or sets the color that will be used for this row's foreground when it is selected and 
+        /// the control is focused.
+        /// </summary>
+        /// <remarks>
+        /// <para>To work reliably, this property must be set during a FormatRow event.</para>
+        /// <para>
+        /// If this is not set, the normal selection ForeColor will be used.
+        /// </para>
+        /// </remarks>
+        public Color? SelectedForeColor
+        {
+            get { return this.selectedForeColor; }
+            set { this.selectedForeColor = value; }
+        }
+        private Color? selectedForeColor;
+
+        #endregion
+
+        #region Accessing
+
+        /// <summary>
+        /// Return the sub item at the given index
+        /// </summary>
+        /// <param name="index">Index of the subitem to be returned</param>
+        /// <returns>An OLVListSubItem</returns>
+        public virtual OLVListSubItem GetSubItem(int index) {
+            if (index >= 0 && index < this.SubItems.Count)
+                return (OLVListSubItem)this.SubItems[index];
+            
+            return null;
+        }
+
+
+        /// <summary>
+        /// Return bounds of the given subitem
+        /// </summary>
+        /// <remarks>This correctly calculates the bounds even for column 0.</remarks>
+        public virtual Rectangle GetSubItemBounds(int subItemIndex) {
+            if (subItemIndex == 0) {
+                Rectangle r = this.Bounds;
+                Point sides = NativeMethods.GetScrolledColumnSides(this.ListView, subItemIndex);
+                r.X = sides.X + 1;
+                r.Width = sides.Y - sides.X;
+                return r;
+            }
+
+            OLVListSubItem subItem = this.GetSubItem(subItemIndex);
+            return subItem == null ? new Rectangle() : subItem.Bounds;
+        }
+
+        #endregion
+    }
+}

ObjectListView/Implementation/OLVListSubItem.cs

@@ -0,0 +1,173 @@
+/*
+ * OLVListSubItem - A single cell in an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+using System.ComponentModel;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// A ListViewSubItem that knows which image should be drawn against it.
+    /// </summary>
+    [Browsable(false)]
+    public class OLVListSubItem : ListViewItem.ListViewSubItem {
+        #region Constructors
+
+        /// <summary>
+        /// Create a OLVListSubItem
+        /// </summary>
+        public OLVListSubItem() {
+        }
+
+        /// <summary>
+        /// Create a OLVListSubItem that shows the given string and image
+        /// </summary>
+        public OLVListSubItem(object modelValue, string text, Object image) {
+            this.ModelValue = modelValue;
+            this.Text = text;
+            this.ImageSelector = image;
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets how many pixels will be left blank around this cell
+        /// </summary>
+        /// <remarks>This setting only takes effect when the control is owner drawn.</remarks>
+        public Rectangle? CellPadding {
+            get { return this.cellPadding; }
+            set { this.cellPadding = value; }
+        }
+        private Rectangle? cellPadding;
+
+        /// <summary>
+        /// Gets or sets how this cell will be vertically aligned
+        /// </summary>
+        /// <remarks>This setting only takes effect when the control is owner drawn.</remarks>
+        public StringAlignment? CellVerticalAlignment {
+            get { return this.cellVerticalAlignment; }
+            set { this.cellVerticalAlignment = value; }
+        }
+        private StringAlignment? cellVerticalAlignment;
+
+        /// <summary>
+        /// Gets or sets the model value is being displayed by this subitem.
+        /// </summary>
+        public object ModelValue
+        {
+            get { return modelValue; }
+            private set { modelValue = value; }
+        }
+        private object modelValue;
+
+        /// <summary>
+        /// Gets if this subitem has any decorations set for it.
+        /// </summary>
+        public bool HasDecoration {
+            get {
+                return this.decorations != null && this.decorations.Count > 0;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the decoration that will be drawn over this item
+        /// </summary>
+        /// <remarks>Setting this replaces all other decorations</remarks>
+        public IDecoration Decoration {
+            get {
+                return this.HasDecoration ? this.Decorations[0] : null;
+            }
+            set {
+                this.Decorations.Clear();
+                if (value != null)
+                    this.Decorations.Add(value);
+            }
+        }
+
+        /// <summary>
+        /// Gets the collection of decorations that will be drawn over this item
+        /// </summary>
+        public IList<IDecoration> Decorations {
+            get {
+                if (this.decorations == null)
+                    this.decorations = new List<IDecoration>();
+                return this.decorations;
+            }
+        }
+        private IList<IDecoration> decorations;
+
+        /// <summary>
+        /// Get or set the image that should be shown against this item
+        /// </summary>
+        /// <remarks><para>This can be an Image, a string or an int. A string or an int will
+        /// be used as an index into the small image list.</para></remarks>
+        public Object ImageSelector {
+            get { return imageSelector; }
+            set { imageSelector = value; }
+        }
+        private Object imageSelector;
+
+        /// <summary>
+        /// Gets or sets the url that should be invoked when this subitem is clicked
+        /// </summary>
+        public string Url
+        {
+            get { return this.url; }
+            set { this.url = value; }
+        }
+        private string url;
+
+        /// <summary>
+        /// Gets or sets whether this cell is selected
+        /// </summary>
+        public bool Selected
+        {
+            get { return this.selected; }
+            set { this.selected = value; }
+        }
+        private bool selected;
+
+        #endregion
+
+        #region Implementation Properties
+
+        /// <summary>
+        /// Return the state of the animatation of the image on this subitem.
+        /// Null means there is either no image, or it is not an animation
+        /// </summary>
+        internal ImageRenderer.AnimationState AnimationState;
+
+        #endregion
+    }
+
+}

ObjectListView/Implementation/OlvListViewHitTestInfo.cs

@@ -0,0 +1,388 @@
+/*
+ * OlvListViewHitTestInfo - All information gathered during a OlvHitTest() operation
+ *
+ * Author: Phillip Piper
+ * Date: 31-March-2011 5:53 pm
+ *
+ * Change log:
+ * 2011-03-31  JPP  - Split into its own file
+ * 
+ * Copyright (C) 2011-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware {
+
+    /// <summary>
+    /// An indication of where a hit was within ObjectListView cell
+    /// </summary>
+    public enum HitTestLocation {
+        /// <summary>
+        /// Nowhere
+        /// </summary>
+        Nothing,
+
+        /// <summary>
+        /// On the text
+        /// </summary>
+        Text,
+
+        /// <summary>
+        /// On the image
+        /// </summary>
+        Image,
+
+        /// <summary>
+        /// On the checkbox
+        /// </summary>
+        CheckBox,
+
+        /// <summary>
+        /// On the expand button (TreeListView)
+        /// </summary>
+        ExpandButton,
+
+        /// <summary>
+        /// in a button (cell must have ButtonRenderer)
+        /// </summary>
+        Button,
+
+        /// <summary>
+        /// in the cell but not in any more specific location
+        /// </summary>
+        InCell,
+
+        /// <summary>
+        /// UserDefined location1 (used for custom renderers)
+        /// </summary>
+        UserDefined,
+
+        /// <summary>
+        /// On the expand/collapse widget of the group
+        /// </summary>
+        GroupExpander,
+
+        /// <summary>
+        /// Somewhere on a group
+        /// </summary>
+        Group,
+
+        /// <summary>
+        /// Somewhere in a column header
+        /// </summary>
+        Header,
+
+        /// <summary>
+        /// Somewhere in a column header checkbox
+        /// </summary>
+        HeaderCheckBox,
+
+        /// <summary>
+        /// Somewhere in a header divider
+        /// </summary>
+        HeaderDivider,
+    }
+
+    /// <summary>
+    /// A collection of ListViewHitTest constants
+    /// </summary>
+    [Flags]
+    public enum HitTestLocationEx {
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_NOWHERE = 0x00000001,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_ONITEMICON = 0x00000002,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_ONITEMLABEL = 0x00000004,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_ONITEMSTATEICON = 0x00000008,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_ONITEM = (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON),
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_ABOVE = 0x00000008,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_BELOW = 0x00000010,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_TORIGHT = 0x00000020,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_TOLEFT = 0x00000040,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_HEADER = 0x10000000,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_FOOTER = 0x20000000,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_COLLAPSE = 0x40000000,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_BACKGROUND = -2147483648, // 0x80000000
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_STATEICON = 0x01000000,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_SUBSETLINK = 0x02000000,
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP = (LVHT_EX_GROUP_BACKGROUND | LVHT_EX_GROUP_COLLAPSE | LVHT_EX_GROUP_FOOTER | LVHT_EX_GROUP_HEADER | LVHT_EX_GROUP_STATEICON | LVHT_EX_GROUP_SUBSETLINK),
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_GROUP_MINUS_FOOTER_AND_BKGRD = (LVHT_EX_GROUP_COLLAPSE | LVHT_EX_GROUP_HEADER | LVHT_EX_GROUP_STATEICON | LVHT_EX_GROUP_SUBSETLINK),
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_ONCONTENTS = 0x04000000, // On item AND not on the background
+        /// <summary>
+        /// 
+        /// </summary>
+        LVHT_EX_FOOTER = 0x08000000,
+    }
+
+    /// <summary>
+    /// Instances of this class encapsulate the information gathered during a OlvHitTest()
+    /// operation.
+    /// </summary>
+    /// <remarks>Custom renderers can use HitTestLocation.UserDefined and the UserData
+    /// object to store more specific locations for use during event handlers.</remarks>
+    public class OlvListViewHitTestInfo {
+
+        /// <summary>
+        /// Create a OlvListViewHitTestInfo
+        /// </summary>
+        public OlvListViewHitTestInfo(OLVListItem olvListItem, OLVListSubItem subItem, int flags, OLVGroup group, int iColumn)
+        {
+            this.item = olvListItem;
+            this.subItem = subItem;
+            this.location = ConvertNativeFlagsToDotNetLocation(olvListItem, flags);
+            this.HitTestLocationEx = (HitTestLocationEx)flags;
+            this.Group = group;
+            this.ColumnIndex = iColumn;
+            this.ListView = olvListItem == null ? null : (ObjectListView)olvListItem.ListView;
+
+            switch (location) {
+                case ListViewHitTestLocations.StateImage:
+                    this.HitTestLocation = HitTestLocation.CheckBox;
+                    break;
+                case ListViewHitTestLocations.Image:
+                    this.HitTestLocation = HitTestLocation.Image;
+                    break;
+                case ListViewHitTestLocations.Label:
+                    this.HitTestLocation = HitTestLocation.Text;
+                    break;
+                default:
+                    if ((this.HitTestLocationEx & HitTestLocationEx.LVHT_EX_GROUP_COLLAPSE) == HitTestLocationEx.LVHT_EX_GROUP_COLLAPSE)
+                        this.HitTestLocation = HitTestLocation.GroupExpander;
+                    else if ((this.HitTestLocationEx & HitTestLocationEx.LVHT_EX_GROUP_MINUS_FOOTER_AND_BKGRD) != 0)
+                        this.HitTestLocation = HitTestLocation.Group;
+                    else
+                        this.HitTestLocation = HitTestLocation.Nothing;
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// Create a OlvListViewHitTestInfo when the header was hit
+        /// </summary>
+        public OlvListViewHitTestInfo(ObjectListView olv, int iColumn, bool isOverCheckBox, int iDivider) {
+            this.ListView = olv;
+            this.ColumnIndex = iColumn;
+            this.HeaderDividerIndex = iDivider;
+            this.HitTestLocation = isOverCheckBox ? HitTestLocation.HeaderCheckBox : (iDivider < 0 ? HitTestLocation.Header : HitTestLocation.HeaderDivider);
+        }
+
+        private static ListViewHitTestLocations ConvertNativeFlagsToDotNetLocation(OLVListItem hitItem, int flags)
+        {
+            // Untangle base .NET behaviour.
+
+            // In Windows SDK, the value 8 can have two meanings here: LVHT_ONITEMSTATEICON or LVHT_ABOVE.
+            // .NET changes these to be:
+            // - LVHT_ABOVE becomes ListViewHitTestLocations.AboveClientArea (which is 0x100).
+            // - LVHT_ONITEMSTATEICON becomes ListViewHitTestLocations.StateImage (which is 0x200).
+            // So, if we see the 8 bit set in flags, we change that to either a state image hit
+            // (if we hit an item) or to AboveClientAream if nothing was hit.
+
+            if ((8 & flags) == 8)
+                return (ListViewHitTestLocations)(0xf7 & flags | (hitItem == null ? 0x100 : 0x200));
+
+            // Mask off the LVHT_EX_XXXX values since ListViewHitTestLocations doesn't have them
+            return (ListViewHitTestLocations)(flags & 0xffff);
+        }
+
+        #region Public fields
+
+        /// <summary>
+        /// Where is the hit location?
+        /// </summary>
+        public HitTestLocation HitTestLocation;
+
+        /// <summary>
+        /// Where is the hit location?
+        /// </summary>
+        public HitTestLocationEx HitTestLocationEx;
+
+        /// <summary>
+        /// Which group was hit?
+        /// </summary>
+        public OLVGroup Group;
+
+        /// <summary>
+        /// Custom renderers can use this information to supply more details about the hit location
+        /// </summary>
+        public Object UserData;
+
+        #endregion
+
+        #region Public read-only properties
+
+        /// <summary>
+        /// Gets the item that was hit
+        /// </summary>
+        public OLVListItem Item {
+            get { return item; }
+            internal set { item = value; }
+        }
+        private OLVListItem item;
+
+        /// <summary>
+        /// Gets the subitem that was hit
+        /// </summary>
+        public OLVListSubItem SubItem {
+            get { return subItem; }
+            internal set { subItem = value; }
+        }
+        private OLVListSubItem subItem;
+
+        /// <summary>
+        /// Gets the part of the subitem that was hit
+        /// </summary>
+        public ListViewHitTestLocations Location {
+            get { return location; }
+            internal set { location = value; }
+        }
+        private ListViewHitTestLocations location;
+
+        /// <summary>
+        /// Gets the ObjectListView that was tested
+        /// </summary>
+        public ObjectListView ListView {
+            get { return listView; }
+            internal set { listView = value; }
+        }
+        private ObjectListView listView;
+
+        /// <summary>
+        /// Gets the model object that was hit
+        /// </summary>
+        public Object RowObject {
+            get {
+                return this.Item == null ? null : this.Item.RowObject;
+            }
+        }
+
+        /// <summary>
+        /// Gets the index of the row under the hit point or -1
+        /// </summary>
+        public int RowIndex {
+            get { return this.Item == null ? -1 : this.Item.Index; }
+        }
+
+        /// <summary>
+        /// Gets the index of the column under the hit point
+        /// </summary>
+        public int ColumnIndex {
+            get { return columnIndex; }
+            internal set { columnIndex = value; }
+        }
+        private int columnIndex;
+
+        /// <summary>
+        /// Gets the index of the header divider
+        /// </summary>
+        public int HeaderDividerIndex {
+            get { return headerDividerIndex; }
+            internal set { headerDividerIndex = value; }
+        }
+        private int headerDividerIndex = -1;
+
+        /// <summary>
+        /// Gets the column that was hit
+        /// </summary>
+        public OLVColumn Column {
+            get {
+                int index = this.ColumnIndex;
+                return index < 0 || this.ListView == null ? null : this.ListView.GetColumn(index);
+            }
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Returns a string that represents the current object.
+        /// </summary>
+        /// <returns>
+        /// A string that represents the current object.
+        /// </returns>
+        /// <filterpriority>2</filterpriority>
+        public override string ToString()
+        {
+            return string.Format("HitTestLocation: {0}, HitTestLocationEx: {1}, Item: {2}, SubItem: {3}, Location: {4}, Group: {5}, ColumnIndex: {6}", 
+                this.HitTestLocation, this.HitTestLocationEx, this.item, this.subItem, this.location, this.Group, this.ColumnIndex);
+        }
+
+        internal class HeaderHitTestInfo
+        {
+            public int ColumnIndex;
+            public bool IsOverCheckBox;
+            public int OverDividerIndex;
+        }
+    }
+}

ObjectListView/Implementation/TreeDataSourceAdapter.cs

@@ -0,0 +1,262 @@
+using System;
+using System.Collections;
+using System.ComponentModel;
+using System.Diagnostics;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A TreeDataSourceAdapter knows how to build a tree structure from a binding list.
+    /// </summary>
+    /// <remarks>To build a tree</remarks>
+    public class TreeDataSourceAdapter : DataSourceAdapter
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Create a data source adaptor that knows how to build a tree structure
+        /// </summary>
+        /// <param name="tlv"></param>
+        public TreeDataSourceAdapter(DataTreeListView tlv)
+            : base(tlv) {
+            this.treeListView = tlv;
+            this.treeListView.CanExpandGetter = delegate(object model) { return this.CalculateHasChildren(model); };
+            this.treeListView.ChildrenGetter = delegate(object model) { return this.CalculateChildren(model); };
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets the name of the property/column that uniquely identifies each row.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The value contained by this column must be unique across all rows 
+        /// in the data source. Odd and unpredictable things will happen if two
+        /// rows have the same id.
+        /// </para>
+        /// <para>Null cannot be a valid key value.</para>
+        /// </remarks>
+        public virtual string KeyAspectName {
+            get { return keyAspectName; }
+            set {
+                if (keyAspectName == value)
+                    return;
+                keyAspectName = value;
+                this.keyMunger = new Munger(this.KeyAspectName);
+                this.InitializeDataSource();
+            }
+        }
+        private string keyAspectName;
+
+        /// <summary>
+        /// Gets or sets the name of the property/column that contains the key of
+        /// the parent of a row.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The test condition for deciding if one row is the parent of another is functionally
+        /// equivilent to this:
+        /// <code>
+        /// Object.Equals(candidateParentRow[this.KeyAspectName], row[this.ParentKeyAspectName])
+        /// </code>
+        /// </para>
+        /// <para>Unlike key value, parent keys can be null but a null parent key can only be used
+        /// to identify root objects.</para>
+        /// </remarks>
+        public virtual string ParentKeyAspectName {
+            get { return parentKeyAspectName; }
+            set {
+                if (parentKeyAspectName == value)
+                    return;
+                parentKeyAspectName = value;
+                this.parentKeyMunger = new Munger(this.ParentKeyAspectName);
+                this.InitializeDataSource();
+            }
+        }
+        private string parentKeyAspectName;
+
+        /// <summary>
+        /// Gets or sets the value that identifies a row as a root object.
+        /// When the ParentKey of a row equals the RootKeyValue, that row will
+        /// be treated as root of the TreeListView.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// The test condition for deciding a root object is functionally
+        /// equivilent to this:
+        /// <code>
+        /// Object.Equals(candidateRow[this.ParentKeyAspectName], this.RootKeyValue)
+        /// </code>
+        /// </para>
+        /// <para>The RootKeyValue can be null.</para>
+        /// </remarks>
+        public virtual object RootKeyValue {
+            get { return rootKeyValue; }
+            set {
+                if (Equals(rootKeyValue, value))
+                    return;
+                rootKeyValue = value;
+                this.InitializeDataSource();
+            }
+        }
+        private object rootKeyValue;
+
+        /// <summary>
+        /// Gets or sets whether or not the key columns (id and parent id) should
+        /// be shown to the user.
+        /// </summary>
+        /// <remarks>This must be set before the DataSource is set. It has no effect
+        /// afterwards.</remarks>
+        public virtual bool ShowKeyColumns {
+            get { return showKeyColumns; }
+            set { showKeyColumns = value; }
+        }
+        private bool showKeyColumns = true;
+
+
+        #endregion
+
+        #region Implementation properties
+
+        /// <summary>
+        /// Gets the DataTreeListView that is being managed 
+        /// </summary>
+        protected DataTreeListView TreeListView {
+            get { return treeListView; }
+        }
+        private readonly DataTreeListView treeListView;
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// 
+        /// </summary>
+        protected override void InitializeDataSource() {
+            base.InitializeDataSource();
+            this.TreeListView.RebuildAll(true);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        protected override void SetListContents() {
+            this.TreeListView.Roots = this.CalculateRoots();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="property"></param>
+        /// <returns></returns>
+        protected override bool ShouldCreateColumn(PropertyDescriptor property) {
+            // If the property is a key column, and we aren't supposed to show keys, don't show it
+            if (!this.ShowKeyColumns && (property.Name == this.KeyAspectName || property.Name == this.ParentKeyAspectName))
+                return false;
+
+            return base.ShouldCreateColumn(property);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="e"></param>
+        protected override void HandleListChangedItemChanged(System.ComponentModel.ListChangedEventArgs e) {
+            // If the id or the parent id of a row changes, we just rebuild everything.
+            // We can't do anything more specific. We don't know what the previous values, so we can't 
+            // tell the previous parent to refresh itself. If the id itself has changed, things that used
+            // to be children will no longer be children. Just rebuild everything.
+            // It seems PropertyDescriptor is only filled in .NET 4 :(
+            if (e.PropertyDescriptor != null && 
+                (e.PropertyDescriptor.Name == this.KeyAspectName ||
+                 e.PropertyDescriptor.Name == this.ParentKeyAspectName))
+                this.InitializeDataSource();
+            else
+                base.HandleListChangedItemChanged(e);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="index"></param>
+        protected override void ChangePosition(int index) {
+            // We can't use our base method directly, since the normal position management
+            // doesn't know about our tree structure. They treat our dataset as a flat list
+            // but we have a collapsable structure. This means that the 5'th row to them
+            // may not even be visible to us
+
+            // To display the n'th row, we have to make sure that all its ancestors
+            // are expanded. Then we will be able to select it.
+            object model = this.CurrencyManager.List[index];
+            object parent = this.CalculateParent(model);
+            while (parent != null && !this.TreeListView.IsExpanded(parent)) {
+                this.TreeListView.Expand(parent);
+                parent = this.CalculateParent(parent);
+            }
+
+            base.ChangePosition(index);
+        }
+
+        private IEnumerable CalculateRoots() {
+            foreach (object x in this.CurrencyManager.List) {
+                object parentKey = this.GetParentValue(x);
+                if (Object.Equals(this.RootKeyValue, parentKey))
+                    yield return x;
+            }
+        }
+
+        private bool CalculateHasChildren(object model) {
+            object keyValue = this.GetKeyValue(model);
+            if (keyValue == null)
+                return false;
+
+            foreach (object x in this.CurrencyManager.List) {
+                object parentKey = this.GetParentValue(x);
+                if (Object.Equals(keyValue, parentKey))
+                    return true;
+            }
+            return false;
+        }
+
+        private IEnumerable CalculateChildren(object model) {
+            object keyValue = this.GetKeyValue(model);
+            if (keyValue != null) {
+                foreach (object x in this.CurrencyManager.List) {
+                    object parentKey = this.GetParentValue(x);
+                    if (Object.Equals(keyValue, parentKey))
+                        yield return x;
+                }
+            }
+        }
+
+        private object CalculateParent(object model) {
+            object parentValue = this.GetParentValue(model);
+            if (parentValue == null) 
+                return null;
+
+            foreach (object x in this.CurrencyManager.List) {
+                object key = this.GetKeyValue(x);
+                if (Object.Equals(parentValue, key))
+                    return x;
+            }
+            return null;
+        }
+
+        private object GetKeyValue(object model) {
+            return this.keyMunger == null ? null : this.keyMunger.GetValue(model);
+        }
+
+        private object GetParentValue(object model) {
+            return this.parentKeyMunger == null ? null : this.parentKeyMunger.GetValue(model);
+        }
+
+        #endregion
+
+        private Munger keyMunger;
+        private Munger parentKeyMunger;
+    }
+}

ObjectListView/Implementation/VirtualGroups.cs

@@ -0,0 +1,352 @@
+/*
+ * Virtual groups - Classes and interfaces needed to implement virtual groups
+ *
+ * Author: Phillip Piper
+ * Date: 28/08/2009 11:10am
+ *
+ * Change log:
+ * 2011-02-21   JPP  - Correctly honor group comparer and collapsible groups settings
+ * v2.3
+ * 2009-08-28   JPP  - Initial version
+ *
+ * To do:
+ *
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A IVirtualGroups is the interface that a virtual list must implement to support virtual groups
+    /// </summary>
+    public interface IVirtualGroups
+    {
+        /// <summary>
+        /// Return the list of groups that should be shown according to the given parameters
+        /// </summary>
+        /// <param name="parameters"></param>
+        /// <returns></returns>
+        IList<OLVGroup> GetGroups(GroupingParameters parameters);
+
+        /// <summary>
+        /// Return the index of the item that appears at the given position within the given group.
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="indexWithinGroup"></param>
+        /// <returns></returns>
+        int GetGroupMember(OLVGroup group, int indexWithinGroup);
+
+        /// <summary>
+        /// Return the index of the group to which the given item belongs
+        /// </summary>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        int GetGroup(int itemIndex);
+
+        /// <summary>
+        /// Return the index at which the given item is shown in the given group
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        int GetIndexWithinGroup(OLVGroup group, int itemIndex);
+
+        /// <summary>
+        /// A hint that the given range of items are going to be required
+        /// </summary>
+        /// <param name="fromGroupIndex"></param>
+        /// <param name="fromIndex"></param>
+        /// <param name="toGroupIndex"></param>
+        /// <param name="toIndex"></param>
+        void CacheHint(int fromGroupIndex, int fromIndex, int toGroupIndex, int toIndex);
+    }
+
+    /// <summary>
+    /// This is a safe, do nothing implementation of a grouping strategy
+    /// </summary>
+    public class AbstractVirtualGroups : IVirtualGroups
+    {
+        /// <summary>
+        /// Return the list of groups that should be shown according to the given parameters
+        /// </summary>
+        /// <param name="parameters"></param>
+        /// <returns></returns>
+        public virtual IList<OLVGroup> GetGroups(GroupingParameters parameters) {
+            return new List<OLVGroup>();
+        }
+
+        /// <summary>
+        /// Return the index of the item that appears at the given position within the given group.
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="indexWithinGroup"></param>
+        /// <returns></returns>
+        public virtual int GetGroupMember(OLVGroup group, int indexWithinGroup) {
+            return -1;
+        }
+
+        /// <summary>
+        /// Return the index of the group to which the given item belongs
+        /// </summary>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        public virtual int GetGroup(int itemIndex) {
+            return -1;
+        }
+
+        /// <summary>
+        /// Return the index at which the given item is shown in the given group
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        public virtual int GetIndexWithinGroup(OLVGroup group, int itemIndex) {
+            return -1;
+        }
+
+        /// <summary>
+        /// A hint that the given range of items are going to be required
+        /// </summary>
+        /// <param name="fromGroupIndex"></param>
+        /// <param name="fromIndex"></param>
+        /// <param name="toGroupIndex"></param>
+        /// <param name="toIndex"></param>
+        public virtual void CacheHint(int fromGroupIndex, int fromIndex, int toGroupIndex, int toIndex) {
+        }
+    }
+
+
+    /// <summary>
+    /// Provides grouping functionality to a FastObjectListView
+    /// </summary>
+    public class FastListGroupingStrategy : AbstractVirtualGroups
+    {
+        /// <summary>
+        /// Create groups for FastListView
+        /// </summary>
+        /// <param name="parmameters"></param>
+        /// <returns></returns>
+        public override IList<OLVGroup> GetGroups(GroupingParameters parmameters) {
+
+            // There is a lot of overlap between this method and ObjectListView.MakeGroups()
+            // Any changes made here may need to be reflected there
+
+            // This strategy can only be used on FastObjectListViews
+            FastObjectListView folv = (FastObjectListView)parmameters.ListView;
+
+            // Separate the list view items into groups, using the group key as the descrimanent
+            int objectCount = 0;
+            NullableDictionary<object, List<object>> map = new NullableDictionary<object, List<object>>();
+            foreach (object model in folv.FilteredObjects) {
+                object key = parmameters.GroupByColumn.GetGroupKey(model);
+                if (!map.ContainsKey(key))
+                    map[key] = new List<object>();
+                map[key].Add(model);
+                objectCount++;
+            }
+
+            // Sort the items within each group
+            // TODO: Give parameters a ModelComparer property
+            OLVColumn primarySortColumn = parmameters.SortItemsByPrimaryColumn ? parmameters.ListView.GetColumn(0) : parmameters.PrimarySort;
+            ModelObjectComparer sorter = new ModelObjectComparer(primarySortColumn, parmameters.PrimarySortOrder,
+                parmameters.SecondarySort, parmameters.SecondarySortOrder);
+            foreach (object key in map.Keys) {
+                map[key].Sort(sorter);
+            }
+
+            // Make a list of the required groups
+            List<OLVGroup> groups = new List<OLVGroup>();
+            foreach (object key in map.Keys) {
+                string title = parmameters.GroupByColumn.ConvertGroupKeyToTitle(key);
+                if (!String.IsNullOrEmpty(parmameters.TitleFormat)) {
+                    int count = map[key].Count;
+                    string format = (count == 1 ? parmameters.TitleSingularFormat : parmameters.TitleFormat);
+                    try {
+                        title = String.Format(format, title, count);
+                    } catch (FormatException) {
+                        title = "Invalid group format: " + format;
+                    }
+                }
+                OLVGroup lvg = new OLVGroup(title);
+                lvg.Collapsible = folv.HasCollapsibleGroups;
+                lvg.Key = key;
+                lvg.SortValue = key as IComparable;
+                lvg.Contents = map[key].ConvertAll<int>(delegate(object x) { return folv.IndexOf(x); });
+                lvg.VirtualItemCount = map[key].Count;
+                if (parmameters.GroupByColumn.GroupFormatter != null)
+                    parmameters.GroupByColumn.GroupFormatter(lvg, parmameters);
+                groups.Add(lvg);
+            }
+
+            // Sort the groups
+            if (parmameters.GroupByOrder != SortOrder.None)
+                groups.Sort(parmameters.GroupComparer ?? new OLVGroupComparer(parmameters.GroupByOrder));
+
+            // Build an array that remembers which group each item belongs to.
+            this.indexToGroupMap = new List<int>(objectCount);
+            this.indexToGroupMap.AddRange(new int[objectCount]);
+
+            for (int i = 0; i < groups.Count; i++) {
+                OLVGroup group = groups[i];
+                List<int> members = (List<int>)group.Contents;
+                foreach (int j in members)
+                    this.indexToGroupMap[j] = i;
+            }
+
+            return groups;
+        }
+        private List<int> indexToGroupMap;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="indexWithinGroup"></param>
+        /// <returns></returns>
+        public override int GetGroupMember(OLVGroup group, int indexWithinGroup) {
+            return (int)group.Contents[indexWithinGroup];
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        public override int GetGroup(int itemIndex) {
+            return this.indexToGroupMap[itemIndex];
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="group"></param>
+        /// <param name="itemIndex"></param>
+        /// <returns></returns>
+        public override int GetIndexWithinGroup(OLVGroup group, int itemIndex) {
+            return group.Contents.IndexOf(itemIndex);
+        }
+    }
+
+
+    /// <summary>
+    /// This is the COM interface that a ListView must be given in order for groups in virtual lists to work.
+    /// </summary>
+    /// <remarks>
+    /// This interface is NOT documented by MS. It was found on Greg Chapell's site. This means that there is
+    /// no guarantee that it will work on future versions of Windows, nor continue to work on current ones.
+    /// </remarks>
+    [ComImport(),
+     InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
+     Guid("44C09D56-8D3B-419D-A462-7B956B105B47")]
+    internal interface IOwnerDataCallback
+    {
+        /// <summary>
+        /// Not sure what this does
+        /// </summary>
+        /// <param name="i"></param>
+        /// <param name="pt"></param>
+        void GetItemPosition(int i, out NativeMethods.POINT pt);
+
+        /// <summary>
+        /// Not sure what this does
+        /// </summary>
+        /// <param name="t"></param>
+        /// <param name="pt"></param>
+        void SetItemPosition(int t, NativeMethods.POINT pt);
+
+        /// <summary>
+        /// Get the index of the item that occurs at the n'th position of the indicated group.
+        /// </summary>
+        /// <param name="groupIndex">Index of the group</param>
+        /// <param name="n">Index within the group</param>
+        /// <param name="itemIndex">Index of the item within the whole list</param>
+        void GetItemInGroup(int groupIndex, int n, out int itemIndex);
+
+        /// <summary>
+        /// Get the index of the group to which the given item belongs
+        /// </summary>
+        /// <param name="itemIndex">Index of the item within the whole list</param>
+        /// <param name="occurrenceCount">Which occurences of the item is wanted</param>
+        /// <param name="groupIndex">Index of the group</param>
+        void GetItemGroup(int itemIndex, int occurrenceCount, out int groupIndex);
+
+        /// <summary>
+        /// Get the number of groups that contain the given item
+        /// </summary>
+        /// <param name="itemIndex">Index of the item within the whole list</param>
+        /// <param name="occurrenceCount">How many groups does it occur within</param>
+        void GetItemGroupCount(int itemIndex, out int occurrenceCount);
+
+        /// <summary>
+        /// A hint to prepare any cache for the given range of requests
+        /// </summary>
+        /// <param name="i"></param>
+        /// <param name="j"></param>
+        void OnCacheHint(NativeMethods.LVITEMINDEX i, NativeMethods.LVITEMINDEX j);
+    }
+
+    /// <summary>
+    /// A default implementation of the IOwnerDataCallback interface
+    /// </summary>
+    [Guid("6FC61F50-80E8-49b4-B200-3F38D3865ABD")]
+    internal class OwnerDataCallbackImpl(VirtualObjectListView olv) : IOwnerDataCallback
+    {
+        VirtualObjectListView olv = olv;
+
+        #region IOwnerDataCallback Members
+
+        public void GetItemPosition(int i, out NativeMethods.POINT pt) {
+            //System.Diagnostics.Debug.WriteLine("GetItemPosition");
+            throw new NotSupportedException();
+        }
+
+        public void SetItemPosition(int t, NativeMethods.POINT pt) {
+            //System.Diagnostics.Debug.WriteLine("SetItemPosition");
+            throw new NotSupportedException();
+        }
+
+        public void GetItemInGroup(int groupIndex, int n, out int itemIndex) {
+            //System.Diagnostics.Debug.WriteLine(String.Format("-> GetItemInGroup({0}, {1})", groupIndex, n));
+            itemIndex = this.olv.GroupingStrategy.GetGroupMember(this.olv.OLVGroups[groupIndex], n);
+            //System.Diagnostics.Debug.WriteLine(String.Format("<- {0}", itemIndex));
+        }
+
+        public void GetItemGroup(int itemIndex, int occurrenceCount, out int groupIndex) {
+            //System.Diagnostics.Debug.WriteLine(String.Format("GetItemGroup({0}, {1})", itemIndex, occurrenceCount));
+            groupIndex = this.olv.GroupingStrategy.GetGroup(itemIndex);
+            //System.Diagnostics.Debug.WriteLine(String.Format("<- {0}", groupIndex));
+        }
+
+        public void GetItemGroupCount(int itemIndex, out int occurrenceCount) {
+            //System.Diagnostics.Debug.WriteLine(String.Format("GetItemGroupCount({0})", itemIndex));
+            occurrenceCount = 1;
+        }
+
+        public void OnCacheHint(NativeMethods.LVITEMINDEX from, NativeMethods.LVITEMINDEX to) {
+            //System.Diagnostics.Debug.WriteLine(String.Format("OnCacheHint({0}, {1}, {2}, {3})", from.iGroup, from.iItem, to.iGroup, to.iItem));
+            this.olv.GroupingStrategy.CacheHint(from.iGroup, from.iItem, to.iGroup, to.iItem);
+        }
+
+        #endregion
+    }
+}

ObjectListView/Implementation/VirtualListDataSource.cs

@@ -0,0 +1,343 @@
+/*
+ * VirtualListDataSource - Encapsulate how data is provided to a virtual list
+ *
+ * Author: Phillip Piper
+ * Date: 28/08/2009 11:10am
+ *
+ * Change log:
+ * v2.4
+ * 2010-04-01   JPP  - Added IFilterableDataSource
+ * v2.3
+ * 2009-08-28   JPP  - Initial version (Separated from VirtualObjectListView.cs)
+ *
+ * To do:
+ *
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A VirtualListDataSource is a complete manner to provide functionality to a virtual list.
+    /// An object that implements this interface provides a VirtualObjectListView with all the
+    /// information it needs to be fully functional.
+    /// </summary>
+    /// <remarks>Implementors must provide functioning implementations of at least GetObjectCount()
+    /// and GetNthObject(), otherwise nothing will appear in the list.</remarks>
+    public interface IVirtualListDataSource
+    {
+        /// <summary>
+        /// Return the object that should be displayed at the n'th row.
+        /// </summary>
+        /// <param name="n">The index of the row whose object is to be returned.</param>
+        /// <returns>The model object at the n'th row, or null if the fetching was unsuccessful.</returns>
+        Object GetNthObject(int n);
+
+        /// <summary>
+        /// Return the number of rows that should be visible in the virtual list
+        /// </summary>
+        /// <returns>The number of rows the list view should have.</returns>
+        int GetObjectCount();
+
+        /// <summary>
+        /// Get the index of the row that is showing the given model object
+        /// </summary>
+        /// <param name="model">The model object sought</param>
+        /// <returns>The index of the row showing the model, or -1 if the object could not be found.</returns>
+        int GetObjectIndex(Object model);
+
+        /// <summary>
+        /// The ListView is about to request the given range of items. Do
+        /// whatever caching seems appropriate.
+        /// </summary>
+        /// <param name="first"></param>
+        /// <param name="last"></param>
+        void PrepareCache(int first, int last);
+
+        /// <summary>
+        /// Find the first row that "matches" the given text in the given range.
+        /// </summary>
+        /// <param name="value">The text typed by the user</param>
+        /// <param name="first">Start searching from this index. This may be greater than the 'to' parameter, 
+        /// in which case the search should descend</param>
+        /// <param name="last">Do not search beyond this index. This may be less than the 'from' parameter.</param>
+        /// <param name="column">The column that should be considered when looking for a match.</param>
+        /// <returns>Return the index of row that was matched, or -1 if no match was found</returns>
+        int SearchText(string value, int first, int last, OLVColumn column);
+
+        /// <summary>
+        /// Sort the model objects in the data source.
+        /// </summary>
+        /// <param name="column"></param>
+        /// <param name="order"></param>
+        void Sort(OLVColumn column, SortOrder order);
+
+        //-----------------------------------------------------------------------------------
+        // Modification commands
+        // THINK: Should we split these four into a separate interface?
+
+        /// <summary>
+        /// Add the given collection of model objects to this control.
+        /// </summary>
+        /// <param name="modelObjects">A collection of model objects</param>
+        void AddObjects(ICollection modelObjects);
+
+        /// <summary>
+        /// Insert the given collection of model objects to this control at the position
+        /// </summary>
+        /// <param name="index">Index where the collection will be added</param>
+        /// <param name="modelObjects">A collection of model objects</param>
+        void InsertObjects(int index, ICollection modelObjects);
+
+        /// <summary>
+        /// Remove all of the given objects from the control
+        /// </summary>
+        /// <param name="modelObjects">Collection of objects to be removed</param>
+        void RemoveObjects(ICollection modelObjects);
+
+        /// <summary>
+        /// Set the collection of objects that this control will show.
+        /// </summary>
+        /// <param name="collection"></param>
+        void SetObjects(IEnumerable collection);
+
+        /// <summary>
+        /// Update/replace the nth object with the given object
+        /// </summary>
+        /// <param name="index"></param>
+        /// <param name="modelObject"></param>
+        void UpdateObject(int index, object modelObject);
+    }
+
+    /// <summary>
+    /// This extension allow virtual lists to filter their contents
+    /// </summary>
+    public interface IFilterableDataSource
+    {
+        /// <summary>
+        /// All subsequent retrievals on this data source should be filtered
+        /// through the given filters. null means no filtering of that kind.
+        /// </summary>
+        /// <param name="modelFilter"></param>
+        /// <param name="listFilter"></param>
+        void ApplyFilters(IModelFilter modelFilter, IListFilter listFilter);
+    }
+
+    /// <summary>
+    /// A do-nothing implementation of the VirtualListDataSource interface.
+    /// </summary>
+    /// <remarks>
+    /// Creates an AbstractVirtualListDataSource
+    /// </remarks>
+    /// <param name="listView"></param>
+    public class AbstractVirtualListDataSource(VirtualObjectListView listView) : IVirtualListDataSource, IFilterableDataSource
+    {
+
+        /// <summary>
+        /// The list view that this data source is giving information to.
+        /// </summary>
+        protected VirtualObjectListView listView = listView;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public virtual object GetNthObject(int n) {
+            return null;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public virtual int GetObjectCount() {
+            return -1;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public virtual int GetObjectIndex(object model) {
+            return -1;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="from"></param>
+        /// <param name="to"></param>
+        public virtual void PrepareCache(int from, int to) {
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="value"></param>
+        /// <param name="first"></param>
+        /// <param name="last"></param>
+        /// <param name="column"></param>
+        /// <returns></returns>
+        public virtual int SearchText(string value, int first, int last, OLVColumn column) {
+            return -1;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="column"></param>
+        /// <param name="order"></param>
+        public virtual void Sort(OLVColumn column, SortOrder order) {
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        public virtual void AddObjects(ICollection modelObjects) {
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="index"></param>
+        /// <param name="modelObjects"></param>
+        public virtual void InsertObjects(int index, ICollection modelObjects) {
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="modelObjects"></param>
+        public virtual void RemoveObjects(ICollection modelObjects) {
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="collection"></param>
+        public virtual void SetObjects(IEnumerable collection) {
+        }
+
+        /// <summary>
+        /// Update/replace the nth object with the given object
+        /// </summary>
+        /// <param name="index"></param>
+        /// <param name="modelObject"></param>
+        public virtual void UpdateObject(int index, object modelObject) {
+        }
+
+        /// <summary>
+        /// This is a useful default implementation of SearchText method, intended to be called
+        /// by implementors of IVirtualListDataSource.
+        /// </summary>
+        /// <param name="value"></param>
+        /// <param name="first"></param>
+        /// <param name="last"></param>
+        /// <param name="column"></param>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        static public int DefaultSearchText(string value, int first, int last, OLVColumn column, IVirtualListDataSource source) {
+            if (first <= last) {
+                for (int i = first; i <= last; i++) {
+                    string data = column.GetStringValue(source.GetNthObject(i));
+                    if (data.StartsWith(value, StringComparison.CurrentCultureIgnoreCase))
+                        return i;
+                }
+            } else {
+                for (int i = first; i >= last; i--) {
+                    string data = column.GetStringValue(source.GetNthObject(i));
+                    if (data.StartsWith(value, StringComparison.CurrentCultureIgnoreCase))
+                        return i;
+                }
+            }
+
+            return -1;
+        }
+
+        #region IFilterableDataSource Members
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="modelFilter"></param>
+        /// <param name="listFilter"></param>
+        virtual public void ApplyFilters(IModelFilter modelFilter, IListFilter listFilter) {
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// This class mimics the behavior of VirtualObjectListView v1.x.
+    /// </summary>
+    /// <remarks>
+    /// Creates a VirtualListVersion1DataSource
+    /// </remarks>
+    /// <param name="listView"></param>
+    public class VirtualListVersion1DataSource(VirtualObjectListView listView) : AbstractVirtualListDataSource(listView)
+    {
+
+        #region Public properties
+
+        /// <summary>
+        /// How will the n'th object of the data source be fetched?
+        /// </summary>
+        public RowGetterDelegate RowGetter {
+            get { return rowGetter; }
+            set { rowGetter = value; }
+        }
+        private RowGetterDelegate rowGetter;
+
+        #endregion
+
+        #region IVirtualListDataSource implementation
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public override object GetNthObject(int n) {
+            if (this.RowGetter == null)
+                return null;
+            else
+                return this.RowGetter(n);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="value"></param>
+        /// <param name="first"></param>
+        /// <param name="last"></param>
+        /// <param name="column"></param>
+        /// <returns></returns>
+        public override int SearchText(string value, int first, int last, OLVColumn column) {
+            return DefaultSearchText(value, first, last, column, this);
+        }
+
+        #endregion
+    }
+}

ObjectListView/ObjectListView.DesignTime.cs

@@ -0,0 +1,536 @@
+/*
+ * DesignSupport - Design time support for the various classes within ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 12/08/2009 8:36 PM
+ *
+ * Change log:
+ * 2012-08-27   JPP  - Fall back to more specific type name for the ListViewDesigner if
+ *                     the first GetType() fails.
+ * v2.5.1
+ * 2012-04-26   JPP  - Filter group events from TreeListView since it can't have groups
+ * 2011-06-06   JPP  - Vastly improved ObjectListViewDesigner, based off information in
+ *                     "'Inheriting' from an Internal WinForms Designer" on CodeProject.
+ * v2.3
+ * 2009-08-12   JPP  - Initial version
+ *
+ * To do:
+ *
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.Design;
+using System.Diagnostics;
+using System.Drawing;
+using System.Reflection;
+using System.Windows.Forms;
+using System.Windows.Forms.Design;
+
+namespace BrightIdeasSoftware.Design
+{
+
+    /// <summary>
+    /// Designer for <see cref="ObjectListView"/> and its subclasses.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This designer removes properties and events that are available on ListView but that are not
+    /// useful on ObjectListView.
+    /// </para>
+    /// <para>
+    /// We can't inherit from System.Windows.Forms.Design.ListViewDesigner, since it is marked internal.
+    /// So, this class uses reflection to create a ListViewDesigner and then forwards messages to that designer.
+    /// </para>
+    /// </remarks>
+    public class ObjectListViewDesigner : ControlDesigner
+    {
+
+        #region Initialize & Dispose
+
+        /// <summary>
+        /// Initializes the designer with the specified component.
+        /// </summary>
+        /// <param name="component">The <see cref="T:System.ComponentModel.IComponent"/> to associate the designer with. This component must always be an instance of, or derive from, <see cref="T:System.Windows.Forms.Control"/>. </param>
+        public override void Initialize(IComponent component) {
+            // Debug.WriteLine("ObjectListViewDesigner.Initialize");
+
+            // Use reflection to bypass the "internal" marker on ListViewDesigner
+            // If we can't get the unversioned designer, look specifically for .NET 4.0 version of it.
+            Type tListViewDesigner = Type.GetType("System.Windows.Forms.Design.ListViewDesigner, System.Design") ??
+                                     Type.GetType("System.Windows.Forms.Design.ListViewDesigner, System.Design, " +
+                                                  "Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
+            if (tListViewDesigner == null) throw new ArgumentException("Could not load ListViewDesigner");
+
+            this.listViewDesigner = (ControlDesigner)Activator.CreateInstance(tListViewDesigner, BindingFlags.Instance | BindingFlags.Public, null, null, null);
+            this.designerFilter = this.listViewDesigner;
+
+            // Fetch the methods from the ListViewDesigner that we know we want to use
+            this.listViewDesignGetHitTest = tListViewDesigner.GetMethod("GetHitTest", BindingFlags.Instance | BindingFlags.NonPublic);
+            this.listViewDesignWndProc = tListViewDesigner.GetMethod("WndProc", BindingFlags.Instance | BindingFlags.NonPublic);
+
+            Debug.Assert(this.listViewDesignGetHitTest != null, "Required method (GetHitTest) not found on ListViewDesigner");
+            Debug.Assert(this.listViewDesignWndProc != null, "Required method (WndProc) not found on ListViewDesigner");
+
+            // Tell the Designer to use properties of default designer as well as the properties of this class (do before base.Initialize)
+            TypeDescriptor.CreateAssociation(component, this.listViewDesigner);
+
+            IServiceContainer site = (IServiceContainer)component.Site;
+            if (site != null && GetService(typeof(DesignerCommandSet)) == null) {
+                site.AddService(typeof(DesignerCommandSet), new CDDesignerCommandSet(this));
+            } else {
+                Debug.Fail("site != null && GetService(typeof (DesignerCommandSet)) == null");
+            }
+
+            this.listViewDesigner.Initialize(component);
+            base.Initialize(component);
+
+            RemoveDuplicateDockingActionList();
+        }
+
+        /// <summary>
+        /// Initializes a newly created component.
+        /// </summary>
+        /// <param name="defaultValues">A name/value dictionary of default values to apply to properties. May be null if no default values are specified.</param>
+        public override void InitializeNewComponent(IDictionary defaultValues) {
+            // Debug.WriteLine("ObjectListViewDesigner.InitializeNewComponent");
+            base.InitializeNewComponent(defaultValues);
+            this.listViewDesigner.InitializeNewComponent(defaultValues);
+        }
+
+        /// <summary>
+        /// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Design.ControlDesigner"/> and optionally releases the managed resources.
+        /// </summary>
+        /// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources. </param>
+        protected override void Dispose(bool disposing) {
+            // Debug.WriteLine("ObjectListViewDesigner.Dispose");
+            if (disposing) {
+                if (this.listViewDesigner != null) {
+                    this.listViewDesigner.Dispose();
+                    // Normally we would now null out the designer, but this designer
+                    // still has methods called AFTER it is disposed.
+                }
+            }
+
+            base.Dispose(disposing);
+        }
+
+        /// <summary>
+        /// Removes the duplicate DockingActionList added by this designer to the <see cref="DesignerActionService"/>.
+        /// </summary>
+        /// <remarks>
+        /// <see cref="ControlDesigner.Initialize"/> adds an internal DockingActionList : 'Dock/Undock in Parent Container'.
+        /// But the default designer has already added that action list. So we need to remove one.
+        /// </remarks>
+        private void RemoveDuplicateDockingActionList() {
+            // This is a true hack -- in a class that is basically a huge hack itself.
+            // Reach into the bowel of our base class, get a private field, and use that fields value to
+            // remove an action from the designer.
+            // In ControlDesigner, there is "private DockingActionList dockingAction;"
+            // Don't you just love Reflector?!
+            FieldInfo fi = typeof(ControlDesigner).GetField("dockingAction", BindingFlags.Instance | BindingFlags.NonPublic);
+            if (fi != null) {
+                DesignerActionList dockingAction = (DesignerActionList)fi.GetValue(this);
+                if (dockingAction != null) {
+                    DesignerActionService service = (DesignerActionService)GetService(typeof(DesignerActionService));
+                    if (service != null) {
+                        service.Remove(this.Control, dockingAction);
+                    }
+                }
+            }
+        }
+
+        #endregion
+
+        #region IDesignerFilter overrides
+
+        /// <summary>
+        /// Adjusts the set of properties the component exposes through a <see cref="T:System.ComponentModel.TypeDescriptor"/>.
+        /// </summary>
+        /// <param name="properties">An <see cref="T:System.Collections.IDictionary"/> containing the properties for the class of the component. </param>
+        protected override void PreFilterProperties(IDictionary properties) {
+            // Debug.WriteLine("ObjectListViewDesigner.PreFilterProperties");
+
+            // Always call the base PreFilterProperties implementation 
+            // before you modify the properties collection.
+            base.PreFilterProperties(properties);
+
+            // Give the listviewdesigner a chance to filter the properties
+            // (though we already know it's not going to do anything)
+            this.designerFilter.PreFilterProperties(properties);
+
+            // I'd like to just remove the redundant properties, but that would
+            // break backward compatibility. The deserialiser that handles the XXX.Designer.cs file
+            // works off the designer, so even if the property exists in the class, the deserialiser will
+            // throw an error if the associated designer actually removes that property.
+            // So we shadow the unwanted properties, and give the replacement properties
+            // non-browsable attributes so that they are hidden from the user
+
+            List<string> unwantedProperties = new List<string>(new string[] { 
+                "BackgroundImage", "BackgroundImageTiled", "HotTracking", "HoverSelection", 
+                "LabelEdit", "VirtualListSize", "VirtualMode" });
+
+            // Also hid Tooltip properties, since giving a tooltip to the control through the IDE
+            // messes up the tooltip handling
+            foreach (string propertyName in properties.Keys) {
+                if (propertyName.StartsWith("ToolTip")) {
+                    unwantedProperties.Add(propertyName);
+                }
+            }
+
+            // If we are looking at a TreeListView, remove group related properties
+            // since TreeListViews can't show groups
+            if (this.Control is TreeListView) {
+                unwantedProperties.AddRange(new string[] {
+                    "GroupImageList", "GroupWithItemCountFormat", "GroupWithItemCountSingularFormat", "HasCollapsibleGroups", 
+                    "SpaceBetweenGroups", "ShowGroups", "SortGroupItemsByPrimaryColumn", "ShowItemCountOnGroups"
+                });
+            }
+
+            // Shadow the unwanted properties, and give the replacement properties
+            // non-browsable attributes so that they are hidden from the user
+            foreach (string unwantedProperty in unwantedProperties) {
+                PropertyDescriptor propertyDesc = TypeDescriptor.CreateProperty(
+                    typeof(ObjectListView),
+                    (PropertyDescriptor)properties[unwantedProperty],
+                    new BrowsableAttribute(false));
+                properties[unwantedProperty] = propertyDesc;
+            }
+        }
+
+        /// <summary>
+        /// Allows a designer to add to the set of events that it exposes through a <see cref="T:System.ComponentModel.TypeDescriptor"/>.
+        /// </summary>
+        /// <param name="events">The events for the class of the component. </param>
+        protected override void PreFilterEvents(IDictionary events) {
+            // Debug.WriteLine("ObjectListViewDesigner.PreFilterEvents");
+            base.PreFilterEvents(events);
+            this.designerFilter.PreFilterEvents(events);
+
+            // Remove the events that don't make sense for an ObjectListView.
+            // See PreFilterProperties() for why we do this dance rather than just remove the event.
+            List<string> unwanted = new List<string>(new string[] {
+                "AfterLabelEdit",
+                "BeforeLabelEdit",
+                "DrawColumnHeader",
+                "DrawItem",
+                "DrawSubItem",
+                "RetrieveVirtualItem",
+                "SearchForVirtualItem",
+                "VirtualItemsSelectionRangeChanged"
+            });
+
+            // If we are looking at a TreeListView, remove group related events
+            // since TreeListViews can't show groups
+            if (this.Control is TreeListView) {
+                unwanted.AddRange(new string[] {
+                    "AboutToCreateGroups",
+                    "AfterCreatingGroups",
+                    "BeforeCreatingGroups",
+                    "GroupTaskClicked",
+                    "GroupExpandingCollapsing", 
+                    "GroupStateChanged"
+                });
+            }
+
+            foreach (string unwantedEvent in unwanted) {
+                EventDescriptor eventDesc = TypeDescriptor.CreateEvent(
+                   typeof(ObjectListView),
+                    (EventDescriptor)events[unwantedEvent],
+                    new BrowsableAttribute(false));
+                events[unwantedEvent] = eventDesc;
+            }
+        }
+
+        /// <summary>
+        /// Allows a designer to change or remove items from the set of attributes that it exposes through a <see cref="T:System.ComponentModel.TypeDescriptor"/>.
+        /// </summary>
+        /// <param name="attributes">The attributes for the class of the component. </param>
+        protected override void PostFilterAttributes(IDictionary attributes) {
+            // Debug.WriteLine("ObjectListViewDesigner.PostFilterAttributes");
+            this.designerFilter.PostFilterAttributes(attributes);
+            base.PostFilterAttributes(attributes);
+        }
+
+        /// <summary>
+        /// Allows a designer to change or remove items from the set of events that it exposes through a <see cref="T:System.ComponentModel.TypeDescriptor"/>.
+        /// </summary>
+        /// <param name="events">The events for the class of the component. </param>
+        protected override void PostFilterEvents(IDictionary events) {
+            // Debug.WriteLine("ObjectListViewDesigner.PostFilterEvents");
+            this.designerFilter.PostFilterEvents(events);
+            base.PostFilterEvents(events);
+        }
+
+        #endregion
+
+        #region Overrides
+
+        /// <summary>
+        /// Gets the design-time action lists supported by the component associated with the designer.
+        /// </summary>
+        /// <returns>
+        /// The design-time action lists supported by the component associated with the designer.
+        /// </returns>
+        public override DesignerActionListCollection ActionLists {
+            get {
+                // We want to change the first action list so it only has the commands we want
+                DesignerActionListCollection actionLists = this.listViewDesigner.ActionLists;
+                if (actionLists.Count > 0 && !(actionLists[0] is ListViewActionListAdapter)) {
+                    actionLists[0] = new ListViewActionListAdapter(this, actionLists[0]);
+                }
+                return actionLists;
+            }
+        }
+
+        /// <summary>
+        /// Gets the collection of components associated with the component managed by the designer.
+        /// </summary>
+        /// <returns>
+        /// The components that are associated with the component managed by the designer.
+        /// </returns>
+        public override ICollection AssociatedComponents {
+            get {
+                ArrayList components = new ArrayList(base.AssociatedComponents);
+                components.AddRange(this.listViewDesigner.AssociatedComponents);
+                return components;
+            }
+        }
+
+        /// <summary>
+        /// Indicates whether a mouse click at the specified point should be handled by the control.
+        /// </summary>
+        /// <returns>
+        /// true if a click at the specified point is to be handled by the control; otherwise, false.
+        /// </returns>
+        /// <param name="point">A <see cref="T:System.Drawing.Point"/> indicating the position at which the mouse was clicked, in screen coordinates. </param>
+        protected override bool GetHitTest(Point point) {
+            // The ListViewDesigner wants to allow column dividers to be resized
+            return (bool)this.listViewDesignGetHitTest.Invoke(listViewDesigner, new object[] { point });
+        }
+
+        /// <summary>
+        /// Processes Windows messages and optionally routes them to the control.
+        /// </summary>
+        /// <param name="m">The <see cref="T:System.Windows.Forms.Message"/> to process. </param>
+        protected override void WndProc(ref Message m) {
+            switch (m.Msg) {
+                case 0x4e:
+                case 0x204e:
+                    // The listview designer is interested in HDN_ENDTRACK notifications
+                    this.listViewDesignWndProc.Invoke(listViewDesigner, new object[] { m });
+                    break;
+                default:
+                    base.WndProc(ref m);
+                    break;
+            }
+        }
+
+        #endregion
+
+        #region Implementation variables
+
+        private ControlDesigner listViewDesigner;
+        private IDesignerFilter designerFilter;
+        private MethodInfo listViewDesignGetHitTest;
+        private MethodInfo listViewDesignWndProc;
+
+        #endregion
+
+        #region Custom action list
+
+        /// <summary>
+        /// This class modifies a ListViewActionList, by removing the "Edit Items" and "Edit Groups" actions.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// That class is internal, so we cannot simply subclass it, which would be simplier.
+        /// </para>
+        /// <para>
+        /// Action lists use reflection to determine if that action can be executed, so we not
+        /// only have to modify the returned collection of actions, but we have to implement
+        /// the properties and commands that the returned actions use. </para>
+        /// </remarks>
+        private class ListViewActionListAdapter(ObjectListViewDesigner designer, DesignerActionList wrappedList) : DesignerActionList(wrappedList.Component)
+        {
+            public override DesignerActionItemCollection GetSortedActionItems() {
+                DesignerActionItemCollection items = wrappedList.GetSortedActionItems();
+                items.RemoveAt(2); // remove Edit Groups
+                items.RemoveAt(0); // remove Edit Items
+                return items;
+            }
+
+            private void EditValue(ComponentDesigner componentDesigner, IComponent iComponent, string propertyName) {
+                // One more complication. The ListViewActionList classes uses an internal class, EditorServiceContext, to 
+                // edit the items/columns/groups collections. So, we use reflection to bypass the data hiding.
+                Type tEditorServiceContext = Type.GetType("System.Windows.Forms.Design.EditorServiceContext, System.Design");
+                tEditorServiceContext.InvokeMember("EditValue", BindingFlags.InvokeMethod | BindingFlags.Static, null, null, new object[] { componentDesigner, iComponent, propertyName });
+            }
+
+            private void SetValue(object target, string propertyName, object value) {
+                TypeDescriptor.GetProperties(target)[propertyName].SetValue(target, value);
+            }
+
+            public void InvokeColumnsDialog() {
+                EditValue(this.designer, base.Component, "Columns");
+            }
+
+            // Don't need these since we removed their corresponding actions from the list.
+            // Keep the methods just in case.
+
+            //public void InvokeGroupsDialog() {
+            //    EditValue(this.designer, base.Component, "Groups");
+            //}
+
+            //public void InvokeItemsDialog() {
+            //    EditValue(this.designer, base.Component, "Items");
+            //}
+
+            public ImageList LargeImageList {
+                get { return ((ListView)base.Component).LargeImageList; }
+                set { SetValue(base.Component, "LargeImageList", value); }
+            }
+
+            public ImageList SmallImageList {
+                get { return ((ListView)base.Component).SmallImageList; }
+                set { SetValue(base.Component, "SmallImageList", value); }
+            }
+
+            public View View {
+                get { return ((ListView)base.Component).View; }
+                set { SetValue(base.Component, "View", value); }
+            }
+
+            ObjectListViewDesigner designer = designer;
+            DesignerActionList wrappedList = wrappedList;
+        }
+
+        #endregion
+
+        #region DesignerCommandSet
+
+        private class CDDesignerCommandSet(ComponentDesigner componentDesigner) : DesignerCommandSet
+        {
+            public override ICollection GetCommands(string name) {
+                // Debug.WriteLine("CDDesignerCommandSet.GetCommands:" + name);
+                if (componentDesigner != null) {
+                    if (name.Equals("Verbs")) {
+                        return componentDesigner.Verbs;
+                    }
+                    if (name.Equals("ActionLists")) {
+                        return componentDesigner.ActionLists;
+                    }
+                }
+                return base.GetCommands(name);
+            }
+
+            private readonly ComponentDesigner componentDesigner = componentDesigner;
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// This class works in conjunction with the OLVColumns property to allow OLVColumns
+    /// to be added to the ObjectListView.
+    /// </summary>
+    /// <remarks>
+    /// Create a OLVColumnCollectionEditor
+    /// </remarks>
+    /// <param name="t"></param>
+    public class OLVColumnCollectionEditor(Type t) : System.ComponentModel.Design.CollectionEditor(t)
+    {
+
+        /// <summary>
+        /// What type of object does this editor create?
+        /// </summary>
+        /// <returns></returns>
+        protected override Type CreateCollectionItemType() {
+            return typeof(OLVColumn);
+        }
+
+        /// <summary>
+        /// Edit a given value
+        /// </summary>
+        /// <param name="context"></param>
+        /// <param name="provider"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) {
+            if (context == null)
+                throw new ArgumentNullException("context");
+            if (provider == null)
+                throw new ArgumentNullException("provider");
+
+            // Figure out which ObjectListView we are working on. This should be the Instance of the context.
+            ObjectListView olv = context.Instance as ObjectListView;
+            Debug.Assert(olv != null, "Instance must be an ObjectListView");
+
+            // Edit all the columns, not just the ones that are visible
+            base.EditValue(context, provider, olv.AllColumns);
+
+            // Set the columns on the ListView to just the visible columns
+            List<OLVColumn> newColumns = olv.GetFilteredColumns(View.Details);
+            olv.Columns.Clear();
+            olv.Columns.AddRange(newColumns.ToArray());
+
+            return olv.Columns;
+        }
+
+        /// <summary>
+        /// What text should be shown in the list for the given object?
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        protected override string GetDisplayText(object value) {
+            OLVColumn col = value as OLVColumn;
+            if (col == null || String.IsNullOrEmpty(col.AspectName))
+                return base.GetDisplayText(value);
+
+            return String.Format("{0} ({1})", base.GetDisplayText(value), col.AspectName);
+        }
+    }
+
+    /// <summary>
+    /// Control how the overlay is presented in the IDE
+    /// </summary>
+    internal class OverlayConverter : ExpandableObjectConverter
+    {
+        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) {
+            return destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
+        }
+
+        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) {
+            if (destinationType == typeof(string)) {
+                ImageOverlay imageOverlay = value as ImageOverlay;
+                if (imageOverlay != null) {
+                    return imageOverlay.Image == null ? "(none)" : "(set)";
+                }
+                TextOverlay textOverlay = value as TextOverlay;
+                if (textOverlay != null) {
+                    return String.IsNullOrEmpty(textOverlay.Text) ? "(none)" : "(set)";
+                }
+            }
+
+            return base.ConvertTo(context, culture, value, destinationType);
+        }
+    }
+}

ObjectListView/ObjectListView.NetCore.csproj

@@ -0,0 +1,42 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net9.0-windows10.0.26100.0</TargetFramework>
+    <Deterministic>false</Deterministic>
+    <RootNamespace>BrightIdeasSoftware</RootNamespace>
+    <AssemblyName>ObjectListView</AssemblyName>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <UseWindowsForms>true</UseWindowsForms>
+    <EnableUnsafeBinaryFormatterSerialization>true</EnableUnsafeBinaryFormatterSerialization>
+    <NoWarn>$(NoWarn);WFO1000</NoWarn>
+    <EnableWinFormsAnalyzers>false</EnableWinFormsAnalyzers>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Platform)' == 'x64'">
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Platform)' == 'ARM64'">
+    <PlatformTarget>ARM64</PlatformTarget>
+  </PropertyGroup>
+  <ItemGroup>
+    <Content Include="CustomDictionary.xml" Link="CustomDictionary.xml" />
+    <Content Include="Resources\clear-filter.png" Link="Resources\clear-filter.png" />
+    <Content Include="Resources\coffee.jpg" Link="Resources\coffee.jpg" />
+    <Content Include="Resources\filter-icons3.png" Link="Resources\filter-icons3.png" />
+    <Content Include="Resources\filter.png" Link="Resources\filter.png" />
+    <Content Include="Resources\sort-ascending.png" Link="Resources\sort-ascending.png" />
+    <Content Include="Resources\sort-descending.png" Link="Resources\sort-descending.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="CellEditing\" />
+    <Folder Include="DragDrop\" />
+    <Folder Include="Filtering\" />
+    <Folder Include="Implementation\" />
+    <Folder Include="Utilities\" />
+    <Folder Include="SubControls\" />
+    <Folder Include="Resources\" />
+    <Folder Include="Rendering\" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="System.Drawing.Common" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" />
+  </ItemGroup>
+</Project>

ObjectListView/Package.nuspec

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2013/01/nuspec.xsd">
+  <metadata minClientVersion="2.12">
+    <id>ObjectListView.Updated</id>
+    <title>ObjectListView (Updated)</title>
+    <version>$version$</version>
+    <authors>Phillip Piper</authors>
+    <owners>$author$</owners>
+    <license type="file">LICENSE</license>
+    <icon>.editoricon.png</icon>
+    <projectUrl>https://github.com/ennerperez/ObjectListView</projectUrl>
+    <description>
+      ObjectListView is a .NET ListView wired on caffeine, guarana and steroids.
+      More calmly, it is a C# wrapper around a .NET ListView, which makes the ListView much easier to use and teaches it lots of neat new tricks.
+    </description>
+    <summary>$description$</summary>
+    <copyright>$copyright$</copyright>
+    <tags>.Net WinForms ListView Controls</tags>
+    <repository type="git" url="https://github.com/ennerperez/ObjectListView" />
+    <dependencies>
+      <group targetFramework=".NETFramework4.0" />
+      <group targetFramework=".NETStandard2.0">
+        <dependency id="System.Drawing.Common" version="4.7.0" />
+      </group>
+    </dependencies>
+  </metadata>
+  <files>
+    <file src="..\.editoricon.png" target=".editoricon.png" />
+    <file src="..\..\README.md" target="README.md" />
+    <file src="..\..\CHANGELOG.md" target="CHANGELOG.md" />
+    <file src="..\..\LICENSE" target="LICENSE" />
+    <!-- NETFX -->
+    <file src="..\ObjectListView\bin\release\ObjectListView.dll" target="lib\net40\ObjectListView.dll" />
+    <!-- NETCORE -->
+    <file src="..\ObjectListView.NetCore\bin\release\netcoreapp3.1\ObjectListView.dll" target="lib\netstandard2.0\ObjectListView.dll" />
+  </files>
+</package>

ObjectListView/Properties/AssemblyInfo.cs

@@ -0,0 +1,22 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ObjectListView")]
+[assembly: AssemblyDescription("A much easier to use ListView and friends")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Bright Ideas Software")]
+[assembly: AssemblyProduct("ObjectListView")]
+[assembly: AssemblyCopyright("Copyright ©  2006-2020")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("ef28c7a8-77ae-442d-abc3-bb023fa31e57")]

ObjectListView/Properties/Resources.Designer.cs

@@ -0,0 +1,113 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.18444
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace BrightIdeasSoftware.Properties {
+    using System;
+    
+    
+    /// <summary>
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
+    /// </summary>
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources {
+        
+        private static global::System.Resources.ResourceManager resourceMan;
+        
+        private static global::System.Globalization.CultureInfo resourceCulture;
+        
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources() {
+        }
+        
+        /// <summary>
+        ///   Returns the cached ResourceManager instance used by this class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.ReferenceEquals(resourceMan, null)) {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("BrightIdeasSoftware.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        /// <summary>
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap ClearFiltering {
+            get {
+                object obj = ResourceManager.GetObject("ClearFiltering", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap ColumnFilterIndicator {
+            get {
+                object obj = ResourceManager.GetObject("ColumnFilterIndicator", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Filtering {
+            get {
+                object obj = ResourceManager.GetObject("Filtering", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap SortAscending {
+            get {
+                object obj = ResourceManager.GetObject("SortAscending", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap SortDescending {
+            get {
+                object obj = ResourceManager.GetObject("SortDescending", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+    }
+}

ObjectListView/Properties/Resources.resx

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <root>
   <!-- 
     Microsoft ResX Schema 
@@ -117,37 +117,21 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <data name="strPropertyDescriptionColors" xml:space="preserve">
-    <value>Select the color quality to be used.</value>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="ClearFiltering" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\clear-filter.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="strPropertyNameColors" xml:space="preserve">
-    <value>Colors</value>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="ColumnFilterIndicator" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\filter-icons3.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="strComponentsCheck" xml:space="preserve">
-    <value>Components Check</value>
+  <data name="Filtering" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\filter.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="strCcAlwaysShowScreen" xml:space="preserve">
-    <value>Always show this screen at startup</value>
+  <data name="SortAscending" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\sort-ascending.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="strCcCheckAgain" xml:space="preserve">
-    <value>Refresh</value>
-  </data>
-  <data name="strConnecting" xml:space="preserve">
-    <value>Connecting...</value>
-  </data>
-  <data name="strRDP16777216Colors" xml:space="preserve">
-    <value>16777216 Colors (24-bit)</value>
-  </data>
-  <data name="strRDP256Colors" xml:space="preserve">
-    <value>256 Colors (8-bit)</value>
-  </data>
-  <data name="strRDP4294967296Colors" xml:space="preserve">
-    <value>16777216 Colors (32-bit)</value>
-  </data>
-  <data name="strRDP65536Colors" xml:space="preserve">
-    <value>65536 Colors (16-bit)</value>
-  </data>
-  <data name="strRDP32768Colors" xml:space="preserve">
-    <value>32768 Colors (15-bit)</value>
+  <data name="SortDescending" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\sort-descending.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
 </root>

ObjectListView/Rendering/Adornments.cs

@@ -0,0 +1,743 @@
+/*
+ * Adornments - Adornments are the basis for overlays and decorations -- things that can be rendered over the top of a ListView
+ *
+ * Author: Phillip Piper
+ * Date: 16/08/2009 1:02 AM
+ *
+ * Change log:
+ * v2.6
+ * 2012-08-18   JPP  - Correctly dispose of brush and pen resources
+ * v2.3
+ * 2009-09-22   JPP  - Added Wrap property to TextAdornment, to allow text wrapping to be disabled
+ *                   - Added ShrinkToWidth property to ImageAdornment
+ * 2009-08-17   JPP  - Initial version
+ *
+ * To do:
+ * - Use IPointLocator rather than Corners
+ * - Add RotationCenter property ratherr than always using middle center
+ * 
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Imaging;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// An adorment is the common base for overlays and decorations.
+    /// </summary>
+    public class GraphicAdornment
+    {
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets the corner of the adornment that will be positioned at the reference corner
+        /// </summary>
+        [Browsable(false),
+         DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public System.Drawing.ContentAlignment AdornmentCorner {
+            get { return this.adornmentCorner; }
+            set { this.adornmentCorner = value; }
+        }
+        private System.Drawing.ContentAlignment adornmentCorner = System.Drawing.ContentAlignment.MiddleCenter;
+
+        /// <summary>
+        /// Gets or sets location within the reference rectange where the adornment will be drawn
+        /// </summary>
+        /// <remarks>This is a simplied interface to ReferenceCorner and AdornmentCorner </remarks>
+        [Category("ObjectListView"),
+         Description("How will the adornment be aligned"),
+         DefaultValue(System.Drawing.ContentAlignment.BottomRight),
+         NotifyParentProperty(true)]
+        public System.Drawing.ContentAlignment Alignment {
+            get { return this.alignment; }
+            set { 
+                this.alignment = value;
+                this.ReferenceCorner = value;
+                this.AdornmentCorner = value;
+            }
+        }
+        private System.Drawing.ContentAlignment alignment = System.Drawing.ContentAlignment.BottomRight;
+
+        /// <summary>
+        /// Gets or sets the offset by which the position of the adornment will be adjusted
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The offset by which the position of the adornment will be adjusted"),
+         DefaultValue(typeof(Size), "0,0")]
+        public Size Offset {
+            get { return this.offset; }
+            set { this.offset = value; }
+        }
+        private Size offset = new Size();
+
+        /// <summary>
+        /// Gets or sets the point of the reference rectangle to which the adornment will be aligned.
+        /// </summary>
+        [Browsable(false),
+         DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public System.Drawing.ContentAlignment ReferenceCorner {
+            get { return this.referenceCorner; }
+            set { this.referenceCorner = value; }
+        }
+        private System.Drawing.ContentAlignment referenceCorner = System.Drawing.ContentAlignment.MiddleCenter;
+
+        /// <summary>
+        /// Gets or sets the degree of rotation by which the adornment will be transformed.
+        /// The centre of rotation will be the center point of the adornment.
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The degree of rotation that will be applied to the adornment."),
+         DefaultValue(0),
+         NotifyParentProperty(true)]
+        public int Rotation {
+            get { return this.rotation; }
+            set { this.rotation = value; }
+        }
+        private int rotation;
+
+        /// <summary>
+        /// Gets or sets the transparency of the overlay. 
+        /// 0 is completely transparent, 255 is completely opaque.
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The transparency of this adornment. 0 is completely transparent, 255 is completely opaque."),
+         DefaultValue(128)]
+        public int Transparency {
+            get { return this.transparency; }
+            set { this.transparency = Math.Min(255, Math.Max(0, value)); }
+        }
+        private int transparency = 128;
+
+        #endregion
+
+        #region Calculations
+
+        /// <summary>
+        /// Calculate the location of rectangle of the given size,
+        /// so that it's indicated corner would be at the given point.
+        /// </summary>
+        /// <param name="pt">The point</param>
+        /// <param name="size"></param>
+        /// <param name="corner">Which corner will be positioned at the reference point</param>
+        /// <returns></returns>
+        /// <example>CalculateAlignedPosition(new Point(50, 100), new Size(10, 20), System.Drawing.ContentAlignment.TopLeft) -> Point(50, 100)</example>
+        /// <example>CalculateAlignedPosition(new Point(50, 100), new Size(10, 20), System.Drawing.ContentAlignment.MiddleCenter) -> Point(45, 90)</example>
+        /// <example>CalculateAlignedPosition(new Point(50, 100), new Size(10, 20), System.Drawing.ContentAlignment.BottomRight) -> Point(40, 80)</example>
+        public virtual Point CalculateAlignedPosition(Point pt, Size size, System.Drawing.ContentAlignment corner) {
+            switch (corner) {
+                case System.Drawing.ContentAlignment.TopLeft:
+                    return pt;
+                case System.Drawing.ContentAlignment.TopCenter:
+                    return new Point(pt.X - (size.Width / 2), pt.Y);
+                case System.Drawing.ContentAlignment.TopRight:
+                    return new Point(pt.X - size.Width, pt.Y);
+                case System.Drawing.ContentAlignment.MiddleLeft:
+                    return new Point(pt.X, pt.Y - (size.Height / 2));
+                case System.Drawing.ContentAlignment.MiddleCenter:
+                    return new Point(pt.X - (size.Width / 2), pt.Y - (size.Height / 2));
+                case System.Drawing.ContentAlignment.MiddleRight:
+                    return new Point(pt.X - size.Width, pt.Y - (size.Height / 2));
+                case System.Drawing.ContentAlignment.BottomLeft:
+                    return new Point(pt.X, pt.Y - size.Height);
+                case System.Drawing.ContentAlignment.BottomCenter:
+                    return new Point(pt.X - (size.Width / 2), pt.Y - size.Height);
+                case System.Drawing.ContentAlignment.BottomRight:
+                    return new Point(pt.X - size.Width, pt.Y - size.Height);
+            }
+
+            // Should never reach here
+            return pt;
+        }
+
+        /// <summary>
+        /// Calculate a rectangle that has the given size which is positioned so that
+        /// its alignment point is at the reference location of the given rect.
+        /// </summary>
+        /// <param name="r"></param>
+        /// <param name="sz"></param>
+        /// <returns></returns>
+        public virtual Rectangle CreateAlignedRectangle(Rectangle r, Size sz) {
+            return this.CreateAlignedRectangle(r, sz, this.ReferenceCorner, this.AdornmentCorner, this.Offset);
+        }
+
+        /// <summary>
+        /// Create a rectangle of the given size which is positioned so that
+        /// its indicated corner is at the indicated corner of the reference rect.
+        /// </summary>
+        /// <param name="r"></param>
+        /// <param name="sz"></param>
+        /// <param name="corner"></param>
+        /// <param name="referenceCorner"></param>
+        /// <param name="offset"></param>
+        /// <returns></returns>
+        /// <remarks>
+        /// <para>Creates a rectangle so that its bottom left is at the centre of the reference:
+        /// corner=BottomLeft, referenceCorner=MiddleCenter</para>
+        /// <para>This is a powerful concept that takes some getting used to, but is
+        /// very neat once you understand it.</para>
+        /// </remarks>
+        public virtual Rectangle CreateAlignedRectangle(Rectangle r, Size sz,
+            System.Drawing.ContentAlignment corner, System.Drawing.ContentAlignment referenceCorner, Size offset) {
+            Point referencePt = this.CalculateCorner(r, referenceCorner);
+            Point topLeft = this.CalculateAlignedPosition(referencePt, sz, corner);
+            return new Rectangle(topLeft + offset, sz);
+        }
+
+        /// <summary>
+        /// Return the point at the indicated corner of the given rectangle (it doesn't
+        /// have to be a corner, but a named location)
+        /// </summary>
+        /// <param name="r">The reference rectangle</param>
+        /// <param name="corner">Which point of the rectangle should be returned?</param>
+        /// <returns>A point</returns>
+        /// <example>CalculateReferenceLocation(new Rectangle(0, 0, 50, 100), System.Drawing.ContentAlignment.TopLeft) -> Point(0, 0)</example>
+        /// <example>CalculateReferenceLocation(new Rectangle(0, 0, 50, 100), System.Drawing.ContentAlignment.MiddleCenter) -> Point(25, 50)</example>
+        /// <example>CalculateReferenceLocation(new Rectangle(0, 0, 50, 100), System.Drawing.ContentAlignment.BottomRight) -> Point(50, 100)</example>
+        public virtual Point CalculateCorner(Rectangle r, System.Drawing.ContentAlignment corner) {
+            switch (corner) {
+                case System.Drawing.ContentAlignment.TopLeft:
+                    return new Point(r.Left, r.Top);
+                case System.Drawing.ContentAlignment.TopCenter:
+                    return new Point(r.X + (r.Width / 2), r.Top);
+                case System.Drawing.ContentAlignment.TopRight:
+                    return new Point(r.Right, r.Top);
+                case System.Drawing.ContentAlignment.MiddleLeft:
+                    return new Point(r.Left, r.Top + (r.Height / 2));
+                case System.Drawing.ContentAlignment.MiddleCenter:
+                    return new Point(r.X + (r.Width / 2), r.Top + (r.Height  / 2));
+                case System.Drawing.ContentAlignment.MiddleRight:
+                    return new Point(r.Right, r.Top + (r.Height / 2));
+                case System.Drawing.ContentAlignment.BottomLeft:
+                    return new Point(r.Left, r.Bottom);
+                case System.Drawing.ContentAlignment.BottomCenter:
+                    return new Point(r.X + (r.Width / 2), r.Bottom);
+                case System.Drawing.ContentAlignment.BottomRight:
+                    return new Point(r.Right, r.Bottom);
+            }
+            
+            // Should never reach here
+            return r.Location;
+        }
+
+        /// <summary>
+        /// Given the item and the subitem, calculate its bounds.
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="subItem"></param>
+        /// <returns></returns>
+        public virtual Rectangle CalculateItemBounds(OLVListItem item, OLVListSubItem subItem) {
+            if (item == null)
+                return Rectangle.Empty;
+
+            if (subItem == null)
+                return item.Bounds;
+            
+            return item.GetSubItemBounds(item.SubItems.IndexOf(subItem));
+        }
+
+        #endregion
+
+        #region Commands
+
+        /// <summary>
+        /// Apply any specified rotation to the Graphic content.
+        /// </summary>
+        /// <param name="g">The Graphics to be transformed</param>
+        /// <param name="r">The rotation will be around the centre of this rect</param>
+        protected virtual void ApplyRotation(Graphics g, Rectangle r) {
+            if (this.Rotation == 0)
+                return;
+
+            // THINK: Do we want to reset the transform? I think we want to push a new transform
+            g.ResetTransform();
+            Matrix m = new Matrix();
+            m.RotateAt(this.Rotation, new Point(r.Left + r.Width / 2, r.Top + r.Height / 2));
+            g.Transform = m;
+        }
+
+        /// <summary>
+        /// Reverse the rotation created by ApplyRotation()
+        /// </summary>
+        /// <param name="g"></param>
+        protected virtual void UnapplyRotation(Graphics g) {
+            if (this.Rotation != 0)
+                g.ResetTransform();
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// An overlay that will draw an image over the top of the ObjectListView
+    /// </summary>
+    public class ImageAdornment : GraphicAdornment
+    {
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets the image that will be drawn
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The image that will be drawn"),
+         DefaultValue(null),
+         NotifyParentProperty(true)]
+        public Image Image {
+            get { return this.image; }
+            set { this.image = value; }
+        }
+        private Image image;
+
+        /// <summary>
+        /// Gets or sets if the image will be shrunk to fit with its horizontal bounds
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("Will the image be shrunk to fit within its width?"),
+         DefaultValue(false)]
+        public bool ShrinkToWidth {
+            get { return this.shrinkToWidth; }
+            set { this.shrinkToWidth = value; }
+        }
+        private bool shrinkToWidth;
+
+        #endregion
+
+        #region Commands
+
+        /// <summary>
+        /// Draw the image in its specified location
+        /// </summary>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        public virtual void DrawImage(Graphics g, Rectangle r) {
+            if (this.ShrinkToWidth)
+                this.DrawScaledImage(g, r, this.Image, this.Transparency);
+            else
+                this.DrawImage(g, r, this.Image, this.Transparency); 
+        }
+
+        /// <summary>
+        /// Draw the image in its specified location
+        /// </summary>
+        /// <param name="image">The image to be drawn</param>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        /// <param name="transparency">How transparent should the image be (0 is completely transparent, 255 is opaque)</param>
+        public virtual void DrawImage(Graphics g, Rectangle r, Image image, int transparency) {
+            if (image != null)
+                this.DrawImage(g, r, image, image.Size, transparency);
+        }
+
+        /// <summary>
+        /// Draw the image in its specified location
+        /// </summary>
+        /// <param name="image">The image to be drawn</param>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        /// <param name="sz">How big should the image be?</param>
+        /// <param name="transparency">How transparent should the image be (0 is completely transparent, 255 is opaque)</param>
+        public virtual void DrawImage(Graphics g, Rectangle r, Image image, Size sz, int transparency) {
+            if (image == null)
+                return;
+
+            Rectangle adornmentBounds = this.CreateAlignedRectangle(r, sz);
+            try {
+                this.ApplyRotation(g, adornmentBounds);
+                this.DrawTransparentBitmap(g, adornmentBounds, image, transparency);
+            }
+            finally {
+                this.UnapplyRotation(g);
+            }
+        }
+
+        /// <summary>
+        /// Draw the image in its specified location, scaled so that it is not wider
+        /// than the given rectangle. Height is scaled proportional to the width.
+        /// </summary>
+        /// <param name="image">The image to be drawn</param>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        /// <param name="transparency">How transparent should the image be (0 is completely transparent, 255 is opaque)</param>
+        public virtual void DrawScaledImage(Graphics g, Rectangle r, Image image, int transparency) {
+            if (image == null)
+                return;
+
+            // If the image is too wide to be drawn in the space provided, proportionally scale it down.
+            // Too tall images are not scaled.
+            Size size = image.Size;
+            if (image.Width > r.Width) {
+                float scaleRatio = (float)r.Width / (float)image.Width;
+                size.Height = (int)((float)image.Height * scaleRatio);
+                size.Width = r.Width - 1;
+            }
+
+            this.DrawImage(g, r, image, size, transparency);
+        }
+
+        /// <summary>
+        /// Utility to draw a bitmap transparenly.
+        /// </summary>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        /// <param name="image"></param>
+        /// <param name="transparency"></param>
+        protected virtual void DrawTransparentBitmap(Graphics g, Rectangle r, Image image, int transparency) {
+            ImageAttributes imageAttributes = null;
+            if (transparency != 255) {
+                imageAttributes = new ImageAttributes();
+                float a = (float)transparency / 255.0f;
+                float[][] colorMatrixElements = {
+                    new float[] {1,  0,  0,  0, 0},
+                    new float[] {0,  1,  0,  0, 0},
+                    new float[] {0,  0,  1,  0, 0},
+                    new float[] {0,  0,  0,  a, 0},
+                    new float[] {0,  0,  0,  0, 1}};
+
+                imageAttributes.SetColorMatrix(new ColorMatrix(colorMatrixElements));
+            }
+
+            g.DrawImage(image,
+               r,                                          // destination rectangle
+               0, 0, image.Size.Width, image.Size.Height,  // source rectangle
+               GraphicsUnit.Pixel,
+               imageAttributes);
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// An adornment that will draw text
+    /// </summary>
+    public class TextAdornment : GraphicAdornment
+    {
+        #region Public properties
+
+        /// <summary>
+        /// Gets or sets the background color of the text
+        /// Set this to Color.Empty to not draw a background
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The background color of the text"),
+         DefaultValue(typeof(Color), "")]
+        public Color BackColor {
+            get { return this.backColor; }
+            set { this.backColor = value; }
+        }
+        private Color backColor = Color.Empty;
+
+        /// <summary>
+        /// Gets the brush that will be used to paint the text
+        /// </summary>
+        [Browsable(false)]
+        public Brush BackgroundBrush {
+            get {
+                return new SolidBrush(Color.FromArgb(this.workingTransparency, this.BackColor));
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the color of the border around the billboard.
+        /// Set this to Color.Empty to remove the border
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The color of the border around the text"),
+         DefaultValue(typeof(Color), "")]
+        public Color BorderColor {
+            get { return this.borderColor; }
+            set { this.borderColor = value; }
+        }
+        private Color borderColor = Color.Empty;
+
+        /// <summary>
+        /// Gets the brush that will be used to paint the text
+        /// </summary>
+        [Browsable(false)]
+        public Pen BorderPen {
+            get {
+                return new Pen(Color.FromArgb(this.workingTransparency, this.BorderColor), this.BorderWidth);
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the width of the border around the text
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The width of the border around the text"),
+         DefaultValue(0.0f)]
+        public float BorderWidth {
+            get { return this.borderWidth; }
+            set { this.borderWidth = value; }
+        }
+        private float borderWidth;
+
+        /// <summary>
+        /// How rounded should the corners of the border be? 0 means no rounding.
+        /// </summary>
+        /// <remarks>If this value is too large, the edges of the border will appear odd.</remarks>
+        [Category("ObjectListView"),
+         Description("How rounded should the corners of the border be? 0 means no rounding."),
+         DefaultValue(16.0f),
+         NotifyParentProperty(true)]
+        public float CornerRounding {
+            get { return this.cornerRounding; }
+            set { this.cornerRounding = value; }
+        }
+        private float cornerRounding = 16.0f;
+
+        /// <summary>
+        /// Gets or sets the font that will be used to draw the text
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The font that will be used to draw the text"),
+         DefaultValue(null),
+         NotifyParentProperty(true)]
+        public Font Font {
+            get { return this.font; }
+            set { this.font = value; }
+        }
+        private Font font;
+
+        /// <summary>
+        /// Gets the font that will be used to draw the text or a reasonable default
+        /// </summary>
+        [Browsable(false)]
+        public Font FontOrDefault {
+            get {
+                return this.Font ?? new Font("Tahoma", 16);
+            }
+        }
+
+        /// <summary>
+        /// Does this text have a background?
+        /// </summary>
+        [Browsable(false)]
+        public bool HasBackground {
+            get {
+                return this.BackColor != Color.Empty;
+            }
+        }
+
+        /// <summary>
+        /// Does this overlay have a border?
+        /// </summary>
+        [Browsable(false)]
+        public bool HasBorder {
+            get {
+                return this.BorderColor != Color.Empty && this.BorderWidth > 0;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the maximum width of the text. Text longer than this will wrap.
+        /// 0 means no maximum.
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The maximum width the text (0 means no maximum). Text longer than this will wrap"),
+         DefaultValue(0)]
+        public int MaximumTextWidth {
+            get { return this.maximumTextWidth; }
+            set { this.maximumTextWidth = value; }
+        }
+        private int maximumTextWidth;
+
+        /// <summary>
+        /// Gets or sets the formatting that should be used on the text
+        /// </summary>
+        [Browsable(false),
+         DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public virtual StringFormat StringFormat {
+            get {
+                if (this.stringFormat == null) {
+                    this.stringFormat = new StringFormat();
+                    this.stringFormat.Alignment = StringAlignment.Center;
+                    this.stringFormat.LineAlignment = StringAlignment.Center;
+                    this.stringFormat.Trimming = StringTrimming.EllipsisCharacter;
+                    if (!this.Wrap)
+                        this.stringFormat.FormatFlags = StringFormatFlags.NoWrap;
+                }
+                return this.stringFormat; 
+            }
+            set { this.stringFormat = value; }
+        }
+        private StringFormat stringFormat;
+
+        /// <summary>
+        /// Gets or sets the text that will be drawn
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The text that will be drawn over the top of the ListView"),
+         DefaultValue(null),
+         NotifyParentProperty(true),
+         Localizable(true)]
+        public string Text {
+            get { return this.text; }
+            set { this.text = value; }
+        }
+        private string text;
+
+        /// <summary>
+        /// Gets the brush that will be used to paint the text
+        /// </summary>
+        [Browsable(false)]
+        public Brush TextBrush {
+            get {
+                return new SolidBrush(Color.FromArgb(this.workingTransparency, this.TextColor));
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the color of the text
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("The color of the text"),
+         DefaultValue(typeof(Color), "DarkBlue"),
+         NotifyParentProperty(true)]
+        public Color TextColor {
+            get { return this.textColor; }
+            set { this.textColor = value; }
+        }
+        private Color textColor = Color.DarkBlue;
+
+        /// <summary>
+        /// Gets or sets whether the text will wrap when it exceeds its bounds
+        /// </summary>
+        [Category("ObjectListView"),
+         Description("Will the text wrap?"),
+         DefaultValue(true)]
+        public bool Wrap {
+            get { return this.wrap; }
+            set { this.wrap = value; }
+        }
+        private bool wrap = true;
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Draw our text with our stored configuration in relation to the given
+        /// reference rectangle
+        /// </summary>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The reference rectangle in relation to which the text will be drawn</param>
+        public virtual void DrawText(Graphics g, Rectangle r) {
+            this.DrawText(g, r, this.Text, this.Transparency);
+        }
+
+        /// <summary>
+        /// Draw the given text with our stored configuration
+        /// </summary>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The reference rectangle in relation to which the text will be drawn</param>
+        /// <param name="s">The text to draw</param>
+        /// <param name="transparency">How opaque should be text be</param>
+        public virtual void DrawText(Graphics g, Rectangle r, string s, int transparency) {
+            if (String.IsNullOrEmpty(s))
+                return;
+
+            Rectangle textRect = this.CalculateTextBounds(g, r, s);
+            this.DrawBorderedText(g, textRect, s, transparency);
+        }
+
+        /// <summary>
+        /// Draw the text with a border
+        /// </summary>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="textRect">The bounds within which the text should be drawn</param>
+        /// <param name="text">The text to draw</param>
+        /// <param name="transparency">How opaque should be text be</param>
+        protected virtual void DrawBorderedText(Graphics g, Rectangle textRect, string text, int transparency) {
+            Rectangle borderRect = textRect;
+            borderRect.Inflate((int)this.BorderWidth / 2, (int)this.BorderWidth / 2);
+            borderRect.Y -= 1; // Looker better a little higher
+
+            try {
+                this.ApplyRotation(g, textRect);
+                using (GraphicsPath path = this.GetRoundedRect(borderRect, this.CornerRounding)) {
+                    this.workingTransparency = transparency;
+                    if (this.HasBackground) {
+                        using (Brush b = this.BackgroundBrush)
+                            g.FillPath(b, path);
+                    }
+
+                    using (Brush b = this.TextBrush)
+                        g.DrawString(text, this.FontOrDefault, b, textRect, this.StringFormat);
+
+                    if (this.HasBorder) {
+                        using (Pen p = this.BorderPen)
+                            g.DrawPath(p, path);
+                    }
+                }
+            }
+            finally {
+                this.UnapplyRotation(g);
+            }
+        }
+
+        /// <summary>
+        /// Return the rectangle that will be the precise bounds of the displayed text
+        /// </summary>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        /// <param name="s"></param>
+        /// <returns>The bounds of the text</returns>
+        protected virtual Rectangle CalculateTextBounds(Graphics g, Rectangle r, string s) {
+            int maxWidth = this.MaximumTextWidth <= 0 ? r.Width : this.MaximumTextWidth;
+            SizeF sizeF = g.MeasureString(s, this.FontOrDefault, maxWidth, this.StringFormat);
+            Size size = new Size(1 + (int)sizeF.Width, 1 + (int)sizeF.Height);
+            return this.CreateAlignedRectangle(r, size);
+        }
+
+        /// <summary>
+        /// Return a GraphicPath that is a round cornered rectangle
+        /// </summary>
+        /// <param name="rect">The rectangle</param>
+        /// <param name="diameter">The diameter of the corners</param>
+        /// <returns>A round cornered rectagle path</returns>
+        /// <remarks>If I could rely on people using C# 3.0+, this should be
+        /// an extension method of GraphicsPath.</remarks>
+        protected virtual GraphicsPath GetRoundedRect(Rectangle rect, float diameter) {
+            GraphicsPath path = new GraphicsPath();
+
+            if (diameter > 0) {
+                RectangleF arc = new RectangleF(rect.X, rect.Y, diameter, diameter);
+                path.AddArc(arc, 180, 90);
+                arc.X = rect.Right - diameter;
+                path.AddArc(arc, 270, 90);
+                arc.Y = rect.Bottom - diameter;
+                path.AddArc(arc, 0, 90);
+                arc.X = rect.Left;
+                path.AddArc(arc, 90, 90);
+                path.CloseFigure();
+            } else {
+                path.AddRectangle(rect);
+            }
+
+            return path;
+        }
+
+        #endregion
+
+        private int workingTransparency;
+    }
+}

ObjectListView/Rendering/Decorations.cs

@@ -0,0 +1,820 @@
+/*
+ * Decorations - Images, text or other things that can be rendered onto an ObjectListView
+ *
+ * Author: Phillip Piper
+ * Date: 19/08/2009 10:56 PM
+ *
+ * Change log:
+ * 2011-04-04   JPP  - Added ability to have a gradient background on BorderDecoration
+ * v2.4
+ * 2010-04-15   JPP  - Tweaked LightBoxDecoration a little
+ * v2.3
+ * 2009-09-23   JPP  - Added LeftColumn and RightColumn to RowBorderDecoration
+ * 2009-08-23   JPP  - Added LightBoxDecoration
+ * 2009-08-19   JPP  - Initial version. Separated from Overlays.cs
+ *
+ * To do:
+ *
+ * Copyright (C) 2009-2014 Phillip Piper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * If you wish to use this code in a closed source application, please contact phillip.piper@gmail.com.
+ */
+
+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Imaging;
+using System.Windows.Forms;
+
+namespace BrightIdeasSoftware
+{
+    /// <summary>
+    /// A decoration is an overlay that draws itself in relation to a given row or cell.
+    /// Decorations scroll when the listview scrolls.
+    /// </summary>
+    public interface IDecoration : IOverlay
+    {
+        /// <summary>
+        /// Gets or sets the row that is to be decorated
+        /// </summary>
+        OLVListItem ListItem { get; set; }
+
+        /// <summary>
+        /// Gets or sets the subitem that is to be decorated
+        /// </summary>
+        OLVListSubItem SubItem { get; set; }
+    }
+
+    /// <summary>
+    /// An AbstractDecoration is a safe do-nothing implementation of the IDecoration interface
+    /// </summary>
+    public class AbstractDecoration : IDecoration
+    {
+        #region IDecoration Members
+
+        /// <summary>
+        /// Gets or sets the row that is to be decorated
+        /// </summary>
+        public OLVListItem ListItem {
+            get { return listItem; }
+            set { listItem = value; }
+        }
+        private OLVListItem listItem;
+
+        /// <summary>
+        /// Gets or sets the subitem that is to be decorated
+        /// </summary>
+        public OLVListSubItem SubItem {
+            get { return subItem; }
+            set { subItem = value; }
+        }
+        private OLVListSubItem subItem;
+
+        #endregion
+
+        #region Public properties
+
+        /// <summary>
+        /// Gets the bounds of the decorations row
+        /// </summary>
+        public Rectangle RowBounds {
+            get {
+                if (this.ListItem == null)
+                    return Rectangle.Empty;
+                else
+                    return this.ListItem.Bounds;
+            }
+        }
+
+        /// <summary>
+        /// Get the bounds of the decorations cell
+        /// </summary>
+        public Rectangle CellBounds {
+            get {
+                if (this.ListItem == null || this.SubItem == null)
+                    return Rectangle.Empty;
+                else
+                    return this.ListItem.GetSubItemBounds(this.ListItem.SubItems.IndexOf(this.SubItem));
+            }
+        }
+
+        #endregion
+
+        #region IOverlay Members
+
+        /// <summary>
+        /// Draw the decoration
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        public virtual void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// This decoration draws a slight tint over a column of the
+    /// owning listview. If no column is explicitly set, the selected
+    /// column in the listview will be used.
+    /// The selected column is normally the sort column, but does not have to be.
+    /// </summary>
+    public class TintedColumnDecoration : AbstractDecoration
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Create a TintedColumnDecoration
+        /// </summary>
+        public TintedColumnDecoration() {
+            this.Tint = Color.FromArgb(15, Color.Blue);
+        }
+
+        /// <summary>
+        /// Create a TintedColumnDecoration
+        /// </summary>
+        /// <param name="column"></param>
+        public TintedColumnDecoration(OLVColumn column)
+            : this() {
+            this.ColumnToTint = column;
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets the column that will be tinted
+        /// </summary>
+        public OLVColumn ColumnToTint {
+            get { return this.columnToTint; }
+            set { this.columnToTint = value; }
+        }
+        private OLVColumn columnToTint;
+
+        /// <summary>
+        /// Gets or sets the color that will be 'tinted' over the selected column
+        /// </summary>
+        public Color Tint {
+            get { return this.tint; }
+            set {
+                if (this.tint == value)
+                    return;
+
+                if (this.tintBrush != null) {
+                    this.tintBrush.Dispose();
+                    this.tintBrush = null;
+                }
+
+                this.tint = value;
+                this.tintBrush = new SolidBrush(this.tint);
+            }
+        }
+        private Color tint;
+        private SolidBrush tintBrush;
+
+        #endregion
+
+        #region IOverlay Members
+
+        /// <summary>
+        /// Draw a slight colouring over our tinted column
+        /// </summary>
+        /// <remarks>
+        /// This overlay only works when:
+        /// - the list is in Details view
+        /// - there is at least one row
+        /// - there is a selected column (or a specified tint column)
+        /// </remarks>
+        /// <param name="olv"></param>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        public override void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+
+            if (olv.View != System.Windows.Forms.View.Details)
+                return;
+
+            if (olv.GetItemCount() == 0)
+                return;
+
+            OLVColumn column = this.ColumnToTint ?? olv.SelectedColumn;
+            if (column == null)
+                return;
+
+            Point sides = NativeMethods.GetScrolledColumnSides(olv, column.Index);
+            if (sides.X == -1)
+                return;
+
+            Rectangle columnBounds = new Rectangle(sides.X, r.Top, sides.Y - sides.X, r.Bottom);
+
+            // Find the bottom of the last item. The tinting should extend only to there.
+            OLVListItem lastItem = olv.GetLastItemInDisplayOrder();
+            if (lastItem != null) {
+                Rectangle lastItemBounds = lastItem.Bounds;
+                if (!lastItemBounds.IsEmpty && lastItemBounds.Bottom < columnBounds.Bottom)
+                    columnBounds.Height = lastItemBounds.Bottom - columnBounds.Top;
+            }
+            g.FillRectangle(this.tintBrush, columnBounds);
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// This decoration draws an optionally filled border around a rectangle.
+    /// Subclasses must override CalculateBounds().
+    /// </summary>
+    public class BorderDecoration : AbstractDecoration
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Create a BorderDecoration
+        /// </summary>
+        public BorderDecoration()
+            : this(new Pen(Color.FromArgb(64, Color.Blue), 1)) {
+        }
+
+        /// <summary>
+        /// Create a BorderDecoration
+        /// </summary>
+        /// <param name="borderPen">The pen used to draw the border</param>
+        public BorderDecoration(Pen borderPen) {
+            this.BorderPen = borderPen;
+        }
+
+        /// <summary>
+        /// Create a BorderDecoration
+        /// </summary>
+        /// <param name="borderPen">The pen used to draw the border</param>
+        /// <param name="fill">The brush used to fill the rectangle</param>
+        public BorderDecoration(Pen borderPen, Brush fill) {
+            this.BorderPen = borderPen;
+            this.FillBrush = fill;
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets the pen that will be used to draw the border
+        /// </summary>
+        public Pen BorderPen {
+            get { return this.borderPen; }
+            set { this.borderPen = value; }
+        }
+        private Pen borderPen;
+
+        /// <summary>
+        /// Gets or sets the padding that will be added to the bounds of the item
+        /// before drawing the border and fill.
+        /// </summary>
+        public Size BoundsPadding {
+            get { return this.boundsPadding; }
+            set { this.boundsPadding = value; }
+        }
+        private Size boundsPadding = new Size(-1, 2);
+
+        /// <summary>
+        /// How rounded should the corners of the border be? 0 means no rounding.
+        /// </summary>
+        /// <remarks>If this value is too large, the edges of the border will appear odd.</remarks>
+        public float CornerRounding {
+            get { return this.cornerRounding; }
+            set { this.cornerRounding = value; }
+        }
+        private float cornerRounding = 16.0f;
+
+        /// <summary>
+        /// Gets or sets the brush that will be used to fill the border
+        /// </summary>
+        /// <remarks>This value is ignored when using gradient brush</remarks>
+        public Brush FillBrush {
+            get { return this.fillBrush; }
+            set { this.fillBrush = value; }
+        }
+        private Brush fillBrush = new SolidBrush(Color.FromArgb(64, Color.Blue));
+
+        /// <summary>
+        /// Gets or sets the color that will be used as the start of a gradient fill.
+        /// </summary>
+        /// <remarks>This and FillGradientTo must be given value to show a gradient</remarks>
+        public Color? FillGradientFrom {
+            get { return this.fillGradientFrom; }
+            set { this.fillGradientFrom = value; }
+        }
+        private Color? fillGradientFrom;
+
+        /// <summary>
+        /// Gets or sets the color that will be used as the end of a gradient fill.
+        /// </summary>
+        /// <remarks>This and FillGradientFrom must be given value to show a gradient</remarks>
+        public Color? FillGradientTo {
+            get { return this.fillGradientTo; }
+            set { this.fillGradientTo = value; }
+        }
+        private Color? fillGradientTo;
+
+        /// <summary>
+        /// Gets or sets the fill mode that will be used for the gradient.
+        /// </summary>
+        public LinearGradientMode FillGradientMode {
+            get { return this.fillGradientMode; }
+            set { this.fillGradientMode = value; }
+        }
+        private LinearGradientMode fillGradientMode = LinearGradientMode.Vertical;
+
+        #endregion
+
+        #region IOverlay Members
+
+        /// <summary>
+        /// Draw a filled border 
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        public override void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+            Rectangle bounds = this.CalculateBounds();
+            if (!bounds.IsEmpty)
+                this.DrawFilledBorder(g, bounds);
+        }
+        
+        #endregion
+
+        #region Subclass responsibility
+
+        /// <summary>
+        /// Subclasses should override this to say where the border should be drawn
+        /// </summary>
+        /// <returns></returns>
+        protected virtual Rectangle CalculateBounds() {
+            return Rectangle.Empty;
+        }
+
+        #endregion
+
+        #region Implementation utlities
+
+        /// <summary>
+        /// Do the actual work of drawing the filled border
+        /// </summary>
+        /// <param name="g"></param>
+        /// <param name="bounds"></param>
+        protected void DrawFilledBorder(Graphics g, Rectangle bounds) {
+            bounds.Inflate(this.BoundsPadding);
+            GraphicsPath path = this.GetRoundedRect(bounds, this.CornerRounding);
+            if (this.FillGradientFrom != null && this.FillGradientTo != null) {
+                if (this.FillBrush != null)
+                    this.FillBrush.Dispose();
+                this.FillBrush = new LinearGradientBrush(bounds, this.FillGradientFrom.Value, this.FillGradientTo.Value, this.FillGradientMode);
+            }
+            if (this.FillBrush != null)
+                g.FillPath(this.FillBrush, path);
+            if (this.BorderPen != null)
+                g.DrawPath(this.BorderPen, path);
+        }
+
+        /// <summary>
+        /// Create a GraphicsPath that represents a round cornered rectangle.
+        /// </summary>
+        /// <param name="rect"></param>
+        /// <param name="diameter">If this is 0 or less, the rectangle will not be rounded.</param>
+        /// <returns></returns>
+        protected GraphicsPath GetRoundedRect(RectangleF rect, float diameter) {
+            GraphicsPath path = new GraphicsPath();
+
+            if (diameter <= 0.0f) {
+                path.AddRectangle(rect);
+            } else {
+                RectangleF arc = new RectangleF(rect.X, rect.Y, diameter, diameter);
+                path.AddArc(arc, 180, 90);
+                arc.X = rect.Right - diameter;
+                path.AddArc(arc, 270, 90);
+                arc.Y = rect.Bottom - diameter;
+                path.AddArc(arc, 0, 90);
+                arc.X = rect.Left;
+                path.AddArc(arc, 90, 90);
+                path.CloseFigure();
+            }
+
+            return path;
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// Instances of this class draw a border around the decorated row
+    /// </summary>
+    public class RowBorderDecoration : BorderDecoration
+    {
+        /// <summary>
+        /// Gets or sets the index of the left most column to be used for the border
+        /// </summary>
+        public int LeftColumn {
+            get { return leftColumn; }
+            set { leftColumn = value; }
+        }
+        private int leftColumn = -1;
+
+        /// <summary>
+        /// Gets or sets the index of the right most column to be used for the border
+        /// </summary>
+        public int RightColumn {
+            get { return rightColumn; }
+            set { rightColumn = value; }
+        }
+        private int rightColumn = -1;
+
+        /// <summary>
+        /// Calculate the boundaries of the border
+        /// </summary>
+        /// <returns></returns>
+        protected override Rectangle CalculateBounds() {
+            Rectangle bounds = this.RowBounds;
+            if (this.ListItem == null)
+                return bounds;
+
+            if (this.LeftColumn >= 0) {
+                Rectangle leftCellBounds = this.ListItem.GetSubItemBounds(this.LeftColumn);
+                if (!leftCellBounds.IsEmpty) {
+                    bounds.Width = bounds.Right - leftCellBounds.Left;
+                    bounds.X = leftCellBounds.Left;
+                }
+            }
+
+            if (this.RightColumn >= 0) {
+                Rectangle rightCellBounds = this.ListItem.GetSubItemBounds(this.RightColumn);
+                if (!rightCellBounds.IsEmpty) {
+                    bounds.Width = rightCellBounds.Right - bounds.Left;
+                }
+            }
+
+            return bounds;
+        }
+    }
+
+    /// <summary>
+    /// Instances of this class draw a border around the decorated subitem.
+    /// </summary>
+    public class CellBorderDecoration : BorderDecoration
+    {
+        /// <summary>
+        /// Calculate the boundaries of the border
+        /// </summary>
+        /// <returns></returns>
+        protected override Rectangle CalculateBounds() {
+            return this.CellBounds;
+        }
+    }
+
+    /// <summary>
+    /// This decoration puts a border around the cell being edited and
+    /// optionally "lightboxes" the cell (makes the rest of the control dark).
+    /// </summary>
+    public class EditingCellBorderDecoration : BorderDecoration
+    {
+        #region Life and death
+
+        /// <summary>
+        /// Create a EditingCellBorderDecoration
+        /// </summary>
+        public EditingCellBorderDecoration() {
+            this.FillBrush = null;
+            this.BorderPen = new Pen(Color.DarkBlue, 2);
+            this.CornerRounding = 8;
+            this.BoundsPadding = new Size(10, 8);
+
+        }
+
+        /// <summary>
+        /// Create a EditingCellBorderDecoration
+        /// </summary>
+        /// <param name="useLightBox">Should the decoration use a lighbox display style?</param>
+        public EditingCellBorderDecoration(bool useLightBox) : this()
+        {
+            this.UseLightbox = useLightbox;
+        }
+
+        #endregion 
+
+        #region Configuration properties
+
+        /// <summary>
+        /// Gets or set whether the decoration should make the rest of
+        /// the control dark when a cell is being edited
+        /// </summary>
+        /// <remarks>If this is true, FillBrush is used to overpaint
+        /// the control.</remarks>
+        public bool UseLightbox {
+            get { return this.useLightbox; }
+            set {
+                if (this.useLightbox == value)
+                    return;
+                this.useLightbox = value;
+                if (this.useLightbox) {
+                    if (this.FillBrush == null)
+                        this.FillBrush = new SolidBrush(Color.FromArgb(64, Color.Black));
+                }
+            }
+        }
+        private bool useLightbox;
+
+        #endregion
+
+        #region Implementation
+
+        /// <summary>
+        /// Draw the decoration
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        public override void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+            if (!olv.IsCellEditing) 
+                return;
+
+            Rectangle bounds = olv.CellEditor.Bounds;
+            if (bounds.IsEmpty)
+                return;
+
+            bounds.Inflate(this.BoundsPadding);
+            GraphicsPath path = this.GetRoundedRect(bounds, this.CornerRounding);
+            if (this.FillBrush != null) {
+                if (this.UseLightbox) {
+                    using (Region newClip = new Region(r)) {
+                        newClip.Exclude(path);
+                        Region originalClip = g.Clip;
+                        g.Clip = newClip;
+                        g.FillRectangle(this.FillBrush, r);
+                        g.Clip = originalClip;
+                    }
+                } else {
+                    g.FillPath(this.FillBrush, path);
+                }
+            }
+            if (this.BorderPen != null)
+                g.DrawPath(this.BorderPen, path);
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// This decoration causes everything *except* the row under the mouse to be overpainted
+    /// with a tint, making the row under the mouse stand out in comparison.
+    /// The darker and more opaque the fill color, the more obvious the
+    /// decorated row becomes.
+    /// </summary>
+    public class LightBoxDecoration : BorderDecoration
+    {
+        /// <summary>
+        /// Create a LightBoxDecoration
+        /// </summary>
+        public LightBoxDecoration() {
+            this.BoundsPadding = new Size(-1, 4);
+            this.CornerRounding = 8.0f;
+            this.FillBrush = new SolidBrush(Color.FromArgb(72, Color.Black));
+        }
+
+        /// <summary>
+        /// Draw a tint over everything in the ObjectListView except the 
+        /// row under the mouse.
+        /// </summary>
+        /// <param name="olv"></param>
+        /// <param name="g"></param>
+        /// <param name="r"></param>
+        public override void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+            if (!r.Contains(olv.PointToClient(Cursor.Position)))
+                return;
+
+            Rectangle bounds = this.RowBounds;
+            if (bounds.IsEmpty) {
+                if (olv.View == View.Tile)
+                    g.FillRectangle(this.FillBrush, r);
+                return;
+            }
+
+            using (Region newClip = new Region(r)) {
+                bounds.Inflate(this.BoundsPadding);
+                newClip.Exclude(this.GetRoundedRect(bounds, this.CornerRounding));
+                Region originalClip = g.Clip;
+                g.Clip = newClip;
+                g.FillRectangle(this.FillBrush, r);
+                g.Clip = originalClip;
+            }
+        }
+    }
+
+    /// <summary>
+    /// Instances of this class put an Image over the row/cell that it is decorating
+    /// </summary>
+    public class ImageDecoration : ImageAdornment, IDecoration
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Create an image decoration
+        /// </summary>
+        public ImageDecoration() {
+            this.Alignment = ContentAlignment.MiddleRight;
+        }
+
+        /// <summary>
+        /// Create an image decoration
+        /// </summary>
+        /// <param name="image"></param>
+        public ImageDecoration(Image image)
+            : this() {
+            this.Image = image;
+        }
+
+        /// <summary>
+        /// Create an image decoration
+        /// </summary>
+        /// <param name="image"></param>
+        /// <param name="transparency"></param>
+        public ImageDecoration(Image image, int transparency)
+            : this() {
+            this.Image = image;
+            this.Transparency = transparency;
+        }
+
+        /// <summary>
+        /// Create an image decoration
+        /// </summary>
+        /// <param name="image"></param>
+        /// <param name="alignment"></param>
+        public ImageDecoration(Image image, ContentAlignment alignment)
+            : this() {
+            this.Image = image;
+            this.Alignment = alignment;
+        }
+
+        /// <summary>
+        /// Create an image decoration
+        /// </summary>
+        /// <param name="image"></param>
+        /// <param name="transparency"></param>
+        /// <param name="alignment"></param>
+        public ImageDecoration(Image image, int transparency, ContentAlignment alignment)
+            : this() {
+            this.Image = image;
+            this.Transparency = transparency;
+            this.Alignment = alignment;
+        }
+
+        #endregion
+
+        #region IDecoration Members
+
+        /// <summary>
+        /// Gets or sets the item being decorated
+        /// </summary>
+        public OLVListItem ListItem {
+            get { return listItem; }
+            set { listItem = value; }
+        }
+        private OLVListItem listItem;
+
+        /// <summary>
+        /// Gets or sets the sub item being decorated
+        /// </summary>
+        public OLVListSubItem SubItem {
+            get { return subItem; }
+            set { subItem = value; }
+        }
+        private OLVListSubItem subItem;
+
+        #endregion
+
+        #region Commands
+
+        /// <summary>
+        /// Draw this decoration
+        /// </summary>
+        /// <param name="olv">The ObjectListView being decorated</param>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        public virtual void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+            this.DrawImage(g, this.CalculateItemBounds(this.ListItem, this.SubItem));
+        }
+
+        #endregion
+    }
+
+    /// <summary>
+    /// Instances of this class draw some text over the row/cell that they are decorating
+    /// </summary>
+    public class TextDecoration : TextAdornment, IDecoration
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Create a TextDecoration
+        /// </summary>
+        public TextDecoration() {
+            this.Alignment = ContentAlignment.MiddleRight;
+        }
+
+        /// <summary>
+        /// Create a TextDecoration
+        /// </summary>
+        /// <param name="text"></param>
+        public TextDecoration(string text)
+            : this() {
+            this.Text = text;
+        }
+        
+        /// <summary>
+        /// Create a TextDecoration
+        /// </summary>
+        /// <param name="text"></param>
+        /// <param name="transparency"></param>
+        public TextDecoration(string text, int transparency)
+            : this() {
+            this.Text = text;
+            this.Transparency = transparency;
+        }
+
+        /// <summary>
+        /// Create a TextDecoration
+        /// </summary>
+        /// <param name="text"></param>
+        /// <param name="alignment"></param>
+        public TextDecoration(string text, ContentAlignment alignment)
+            : this() {
+            this.Text = text;
+            this.Alignment = alignment;
+        }
+
+        /// <summary>
+        /// Create a TextDecoration
+        /// </summary>
+        /// <param name="text"></param>
+        /// <param name="transparency"></param>
+        /// <param name="alignment"></param>
+        public TextDecoration(string text, int transparency, ContentAlignment alignment)
+            : this() {
+            this.Text = text;
+            this.Transparency = transparency;
+            this.Alignment = alignment;
+        }
+
+        #endregion
+
+        #region IDecoration Members
+
+        /// <summary>
+        /// Gets or sets the item being decorated
+        /// </summary>
+        public OLVListItem ListItem {
+            get { return listItem; }
+            set { listItem = value; }
+        }
+        private OLVListItem listItem;
+
+        /// <summary>
+        /// Gets or sets the sub item being decorated
+        /// </summary>
+        public OLVListSubItem SubItem {
+            get { return subItem; }
+            set { subItem = value; }
+        }
+        private OLVListSubItem subItem;
+
+
+        #endregion
+
+        #region Commands
+
+        /// <summary>
+        /// Draw this decoration
+        /// </summary>
+        /// <param name="olv">The ObjectListView being decorated</param>
+        /// <param name="g">The Graphics used for drawing</param>
+        /// <param name="r">The bounds of the rendering</param>
+        public virtual void Draw(ObjectListView olv, Graphics g, Rectangle r) {
+            this.DrawText(g, this.CalculateItemBounds(this.ListItem, this.SubItem));
+        }
+
+        #endregion
+    }
+}