Added TextEditor.Delete()

Author: nippur72

ICSharpCode.AvalonEdit/TextEditor.cs

@@ -579,6 +579,14 @@ public IDisposable DeclareChangeBlock()
 			return GetDocument().RunUpdate();
 		}
 
+		/// <summary>
+		/// Removes the current selection without copying it to the clipboard.
+		/// </summary>
+		public void Delete()
+		{
+			Execute(ApplicationCommands.Delete);		
+		}
+
 		/// <summary>
 		/// Ends the current group of document changes.
 		/// </summary>