Index: src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeView.cs
===================================================================
diff -u -rd8e4bf47a1ff5b13a9d9e6eaf60b9ca9cd7c7555 -r3135c1081fb4f8e92eadebada2bceaf27077d63c
--- src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeView.cs	(.../TreeView.cs)	(revision d8e4bf47a1ff5b13a9d9e6eaf60b9ca9cd7c7555)
+++ src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeView.cs	(.../TreeView.cs)	(revision 3135c1081fb4f8e92eadebada2bceaf27077d63c)
@@ -402,8 +402,6 @@
             {
                 BeforeWaitUntilAllEventsAreProcessed();
             }
-
-            controller.WaitUntilAllEventsAreProcessed();
         }
 
         protected override void OnPaint(PaintEventArgs e)