Although this does "copy" the GroupEnd and Start to the new position, I can't figure out how to delete them at the old position.  The following with the added RemoveAt does not work.

Help!

            //add GroupEnd
            Editor1.AddToolbarGroupEnd();
            Editor1.AddToolbarGroupStart();
            int count = Editor1.ToolControls.Count-1;
            CuteEditor.ToolControl tool = Editor1.ToolControls[count];
            Editor1.ToolControls.Insert(pos,tool);

            Editor1.ToolControls.RemoveAt(count);

            tool = Editor1.ToolControls[--count];
            Editor1.ToolControls.Insert(pos,tool);

            Editor1.ToolControls.RemoveAt(count);