Merge branch 'master' of https://twinetfs.visualstudio.com/_git/Tango

1 files changed, 48 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Utils/DelayedEvents.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Utils/DelayedEvents.cs
new file mode 100644
index 000000000..8afc9f2ee
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Utils/DelayedEvents.cs
@@ -0,0 +1,48 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+
+namespace Tango.Scripting.Editors.Utils
+{
+	/// <summary>
+	/// Maintains a list of delayed events to raise.
+	/// </summary>
+	sealed class DelayedEvents
+	{
+		struct EventCall
+		{
+			EventHandler handler;
+			object sender;
+			EventArgs e;
+			
+			public EventCall(EventHandler handler, object sender, EventArgs e)
+			{
+				this.handler = handler;
+				this.sender = sender;
+				this.e = e;
+			}
+			
+			public void Call()
+			{
+				handler(sender, e);
+			}
+		}
+		
+		Queue<EventCall> eventCalls = new Queue<EventCall>();
+		
+		public void DelayedRaise(EventHandler handler, object sender, EventArgs e)
+		{
+			if (handler != null) {
+				eventCalls.Enqueue(new EventCall(handler, sender, e));
+			}
+		}
+		
+		public void RaiseEvents()
+		{
+			while (eventCalls.Count > 0)
+				eventCalls.Dequeue().Call();
+		}
+	}
+}