From 40455e199bf49fc12455f4263eef342f1ef13bde Mon Sep 17 00:00:00 2001
From: David Sparer <David.Sparer@pearson.com>
Date: Wed, 28 Sep 2016 15:05:04 -0600
Subject: [PATCH] Fixed bug that would occasionally cause crashes when clicking

---
 mRemoteV1/UI/Window/ConnectionTreeWindow.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mRemoteV1/UI/Window/ConnectionTreeWindow.cs b/mRemoteV1/UI/Window/ConnectionTreeWindow.cs
index afbb3df93..98761fb9c 100644
--- a/mRemoteV1/UI/Window/ConnectionTreeWindow.cs
+++ b/mRemoteV1/UI/Window/ConnectionTreeWindow.cs
@@ -420,8 +420,9 @@ namespace mRemoteNG.UI.Window
             try
             {
                 if (e.ClickCount > 1) return;
-                var clickedNode = (ConnectionInfo)e.Model;
-                
+                var clickedNode = e.Model as ConnectionInfo;
+
+                if (clickedNode == null) return;
                 if (clickedNode.GetTreeNodeType() != TreeNodeType.Connection && clickedNode.GetTreeNodeType() != TreeNodeType.PuttySession) return;
                 if (Settings.Default.SingleClickOnConnectionOpensIt)
                     ConnectionInitiator.OpenConnection(SelectedNode);