mirror of
https://github.com/mRemoteNG/mRemoteNG.git
synced 2026-02-26 03:49:23 +08:00
435 lines
16 KiB
C#
435 lines
16 KiB
C#
/* Source modified from here:
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* http://www.codeproject.com/Articles/11576/IP-TextBox
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* Original Author: mawnkay
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*/
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using System;
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using System.Windows.Forms;
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using mRemoteNG.Themes;
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namespace mRemoteNG.UI.Controls
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{
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/* class IPTextBox
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* An IP Address Box
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* A TextBox that only allows entry of a valid ip address
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*/
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public class IPTextBox : UserControl
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{
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private Panel panel1;
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public Base.NGTextBox Octet1;
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public Base.NGTextBox Octet2;
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public Base.NGTextBox Octet3;
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public Base.NGTextBox Octet4;
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private Base.NGLabel label1;
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private Base.NGLabel label2;
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private Base.NGLabel label3;
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private ToolTip toolTip1;
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private System.ComponentModel.IContainer components;
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/* Sets and Gets the tooltiptext on toolTip1 */
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public string ToolTipText
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{
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get => toolTip1.GetToolTip(Octet1);
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set
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{
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toolTip1.SetToolTip(Octet1, value);
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toolTip1.SetToolTip(Octet2, value);
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toolTip1.SetToolTip(Octet3, value);
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toolTip1.SetToolTip(Octet4, value);
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toolTip1.SetToolTip(label1, value);
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toolTip1.SetToolTip(label2, value);
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toolTip1.SetToolTip(label3, value);
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}
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}
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/* Set or Get the string that represents the value in the box */
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public override string Text
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{
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get => Octet1.Text + @"." + Octet2.Text + @"." + Octet3.Text + @"." + Octet4.Text;
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set
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{
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if (!string.IsNullOrEmpty(value))
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{
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var pieces = value.Split(@".".ToCharArray(), 4);
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Octet1.Text = pieces[0];
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Octet2.Text = pieces[1];
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Octet3.Text = pieces[2];
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Octet4.Text = pieces[3];
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}
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else
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{
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Octet1.Text = "";
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Octet2.Text = "";
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Octet3.Text = "";
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Octet4.Text = "";
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}
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}
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}
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public IPTextBox()
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{
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// This call is required by the Windows.Forms Form Designer.
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InitializeComponent();
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SetTabSTopProperties();
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}
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private void SetTabSTopProperties()
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{
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Octet1.TabIndex = 0;
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Octet2.TabIndex = 1;
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Octet3.TabIndex = 2;
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Octet4.TabIndex = 3;
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Octet1.TabStop = true;
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Octet2.TabStop = true;
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Octet3.TabStop = true;
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Octet4.TabStop = true;
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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ApplyTheme();
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ThemeManager.getInstance().ThemeChanged += ApplyTheme;
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}
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private void ApplyTheme()
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{
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if (!ThemeManager.getInstance().ActiveAndExtended) return;
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panel1.BackColor = ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("TextBox_Background");
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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// ReSharper disable once UseNullPropagation
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if (components != null)
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components.Dispose();
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}
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base.Dispose(disposing);
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}
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#region Component Designer generated code
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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private void InitializeComponent()
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{
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this.components = new System.ComponentModel.Container();
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this.panel1 = new System.Windows.Forms.Panel();
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this.Octet4 = new mRemoteNG.UI.Controls.Base.NGTextBox();
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this.Octet3 = new mRemoteNG.UI.Controls.Base.NGTextBox();
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this.Octet2 = new mRemoteNG.UI.Controls.Base.NGTextBox();
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this.Octet1 = new mRemoteNG.UI.Controls.Base.NGTextBox();
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this.label2 = new mRemoteNG.UI.Controls.Base.NGLabel();
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this.label1 = new mRemoteNG.UI.Controls.Base.NGLabel();
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this.label3 = new mRemoteNG.UI.Controls.Base.NGLabel();
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this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
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this.panel1.SuspendLayout();
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this.SuspendLayout();
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//
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// panel1
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//
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this.panel1.BackColor = System.Drawing.SystemColors.Window;
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this.panel1.Controls.Add(this.Octet4);
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this.panel1.Controls.Add(this.Octet3);
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this.panel1.Controls.Add(this.Octet2);
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this.panel1.Controls.Add(this.Octet1);
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this.panel1.Controls.Add(this.label2);
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this.panel1.Controls.Add(this.label1);
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this.panel1.Controls.Add(this.label3);
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this.panel1.Font = new System.Drawing.Font("Segoe UI", 9F);
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this.panel1.Location = new System.Drawing.Point(0, 0);
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this.panel1.Name = "panel1";
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this.panel1.Size = new System.Drawing.Size(124, 18);
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this.panel1.TabIndex = 0;
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//
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// Octet4
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//
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this.Octet4.BackColor = System.Drawing.SystemColors.Menu;
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this.Octet4.BorderStyle = System.Windows.Forms.BorderStyle.None;
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this.Octet4.Font = new System.Drawing.Font("Segoe UI", 9F);
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this.Octet4.Location = new System.Drawing.Point(95, 1);
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this.Octet4.MaxLength = 3;
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this.Octet4.Name = "Octet4";
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this.Octet4.Size = new System.Drawing.Size(24, 16);
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this.Octet4.TabIndex = 4;
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this.Octet4.TabStop = false;
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this.Octet4.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
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this.Octet4.Enter += new System.EventHandler(this.Box_Enter);
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this.Octet4.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Box4_KeyPress);
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//
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// Octet3
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//
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this.Octet3.BackColor = System.Drawing.SystemColors.Menu;
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this.Octet3.BorderStyle = System.Windows.Forms.BorderStyle.None;
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this.Octet3.Font = new System.Drawing.Font("Segoe UI", 9F);
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this.Octet3.Location = new System.Drawing.Point(63, 1);
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this.Octet3.MaxLength = 3;
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this.Octet3.Name = "Octet3";
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this.Octet3.Size = new System.Drawing.Size(24, 16);
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this.Octet3.TabIndex = 3;
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this.Octet3.TabStop = false;
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this.Octet3.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
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this.Octet3.Enter += new System.EventHandler(this.Box_Enter);
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this.Octet3.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Box3_KeyPress);
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//
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// Octet2
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//
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this.Octet2.BackColor = System.Drawing.SystemColors.Menu;
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this.Octet2.BorderStyle = System.Windows.Forms.BorderStyle.None;
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this.Octet2.Font = new System.Drawing.Font("Segoe UI", 9F);
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this.Octet2.Location = new System.Drawing.Point(32, 1);
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this.Octet2.MaxLength = 3;
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this.Octet2.Name = "Octet2";
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this.Octet2.Size = new System.Drawing.Size(24, 16);
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this.Octet2.TabIndex = 2;
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this.Octet2.TabStop = false;
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this.Octet2.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
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this.Octet2.Enter += new System.EventHandler(this.Box_Enter);
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this.Octet2.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Box2_KeyPress);
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//
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// Octet1
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//
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this.Octet1.BackColor = System.Drawing.SystemColors.Menu;
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this.Octet1.BorderStyle = System.Windows.Forms.BorderStyle.None;
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this.Octet1.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular,
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System.Drawing.GraphicsUnit.Point, ((byte)(0)));
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this.Octet1.Location = new System.Drawing.Point(1, 1);
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this.Octet1.MaxLength = 3;
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this.Octet1.Name = "Octet1";
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this.Octet1.Size = new System.Drawing.Size(24, 16);
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this.Octet1.TabIndex = 1;
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this.Octet1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
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this.Octet1.Enter += new System.EventHandler(this.Box_Enter);
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this.Octet1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Box1_KeyPress);
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//
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// label2
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//
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this.label2.Location = new System.Drawing.Point(86, 2);
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this.label2.Name = "label2";
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this.label2.Size = new System.Drawing.Size(8, 13);
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this.label2.TabIndex = 5;
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this.label2.Text = ".";
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//
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// label1
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//
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this.label1.Location = new System.Drawing.Point(55, 2);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(8, 13);
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this.label1.TabIndex = 1;
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this.label1.Text = ".";
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//
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// label3
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//
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this.label3.Location = new System.Drawing.Point(23, 1);
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this.label3.Name = "label3";
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this.label3.Size = new System.Drawing.Size(8, 13);
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this.label3.TabIndex = 6;
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this.label3.Text = ".";
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//
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// IPTextBox
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//
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this.Controls.Add(this.panel1);
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this.Font = new System.Drawing.Font("Segoe UI", 8.25F, System.Drawing.FontStyle.Regular,
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System.Drawing.GraphicsUnit.Point, ((byte)(0)));
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this.Name = "IPTextBox";
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this.Size = new System.Drawing.Size(124, 18);
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this.panel1.ResumeLayout(false);
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this.panel1.PerformLayout();
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this.ResumeLayout(false);
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}
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#endregion
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/* IsValid(string inString)
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* Checks that a string passed in resolves to an integer value between 0 and 255
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* param inString: The string passed in for testing
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* return: True if the string is between 0 and 255 inclusively, false otherwise
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* endif
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*/
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private static bool IsValid(string inString)
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{
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try
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{
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var theValue = int.Parse(inString);
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if (theValue >= 0 && theValue <= 255)
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return true;
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MessageBox.Show(Language.strIPRange, Language.strOutOfRange);
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return false;
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}
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catch
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{
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return false;
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}
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}
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/* Performs KeyPress analysis and handling to ensure a valid ip octet is
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* being entered in Box1.
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*/
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private void Box1_KeyPress(object sender, KeyPressEventArgs e)
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{
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//Only Accept a '.', a numeral, or backspace
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if (e.KeyChar.ToString() == "." || char.IsDigit(e.KeyChar) || e.KeyChar == 8)
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{
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//If the key pressed is a '.'
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if (e.KeyChar.ToString() == ".")
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{
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//If the Text is a valid ip octet move to the next box
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if (Octet1.Text != "" && Octet1.Text.Length != Octet1.SelectionLength)
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{
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if (IsValid(Octet1.Text))
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Octet2.Focus();
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else
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Octet1.SelectAll();
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}
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e.Handled = true;
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}
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//If we are not overwriting the whole text
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else if (Octet1.SelectionLength != Octet1.Text.Length)
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{
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//Check that the new Text value will be a valid
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// ip octet then move on to next box
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if (Octet1.Text.Length != 2) return;
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if (!IsValid(Octet1.Text + e.KeyChar))
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{
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Octet1.SelectAll();
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e.Handled = true;
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}
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else
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{
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Octet2.Focus();
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}
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}
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}
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//Do nothing if the keypress is not numeral, backspace, or '.'
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else
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e.Handled = true;
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}
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/* Performs KeyPress analysis and handling to ensure a valid ip octet is
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* being entered in Box2.
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*/
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private void Box2_KeyPress(object sender, KeyPressEventArgs e)
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{
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//Similar to Box1_KeyPress but in special case for backspace moves cursor
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//to the previous box (Box1)
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if (e.KeyChar.ToString() == "." || char.IsDigit(e.KeyChar) || e.KeyChar == 8)
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{
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if (e.KeyChar.ToString() == ".")
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{
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if (Octet2.Text != "" && Octet2.Text.Length != Octet2.SelectionLength)
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{
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if (IsValid(Octet1.Text))
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Octet3.Focus();
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else
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Octet2.SelectAll();
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}
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e.Handled = true;
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}
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else if (Octet2.SelectionLength != Octet2.Text.Length)
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{
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if (Octet2.Text.Length != 2) return;
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if (!IsValid(Octet2.Text + e.KeyChar))
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{
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Octet2.SelectAll();
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e.Handled = true;
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}
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else
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{
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Octet3.Focus();
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}
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}
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else if (Octet2.Text.Length == 0 && e.KeyChar == 8)
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{
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Octet1.Focus();
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Octet1.SelectionStart = Octet1.Text.Length;
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}
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}
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else
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e.Handled = true;
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}
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/* Performs KeyPress analysis and handling to ensure a valid ip octet is
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* being entered in Box3.
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*/
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private void Box3_KeyPress(object sender, KeyPressEventArgs e)
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{
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//Identical to Box2_KeyPress except that previous box is Box2 and
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//next box is Box3
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if (e.KeyChar.ToString() == "." || char.IsDigit(e.KeyChar) || e.KeyChar == 8)
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{
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if (e.KeyChar.ToString() == ".")
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{
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if (Octet3.Text != "" && Octet3.SelectionLength != Octet3.Text.Length)
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{
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if (IsValid(Octet1.Text))
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Octet4.Focus();
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else
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Octet3.SelectAll();
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}
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e.Handled = true;
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}
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else if (Octet3.SelectionLength != Octet3.Text.Length)
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{
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if (Octet3.Text.Length != 2) return;
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if (!IsValid(Octet3.Text + e.KeyChar))
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{
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Octet3.SelectAll();
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e.Handled = true;
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}
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else
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{
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Octet4.Focus();
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}
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}
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else if (Octet3.Text.Length == 0 && e.KeyChar == 8)
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{
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Octet2.Focus();
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Octet2.SelectionStart = Octet2.Text.Length;
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}
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}
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else
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e.Handled = true;
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}
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/* Performs KeyPress analysis and handling to ensure a valid ip octet is
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* being entered in Box4.
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*/
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private void Box4_KeyPress(object sender, KeyPressEventArgs e)
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{
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//Similar to Box3 but ignores the '.' character and does not advance
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//to the next box. Also Box3 is previous box for backspace case.
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if (char.IsDigit(e.KeyChar) || e.KeyChar == 8)
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{
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if (Octet4.SelectionLength != Octet4.Text.Length)
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{
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if (Octet4.Text.Length != 2) return;
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if (IsValid(Octet4.Text + e.KeyChar)) return;
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Octet4.SelectAll();
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e.Handled = true;
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}
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else if (Octet4.Text.Length == 0 && e.KeyChar == 8)
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{
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Octet3.Focus();
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Octet3.SelectionStart = Octet3.Text.Length;
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}
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}
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else
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e.Handled = true;
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}
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// Selects All text in a box for overwriting upon entering the box
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private void Box_Enter(object sender, EventArgs e)
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{
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var tb = (TextBox)sender;
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tb.SelectAll();
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}
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}
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} |