private void DocumentManager_ShowControlContextMenu(object sender, ShowControlContextMenuEventArgs e)
 {
     if (e.DockControl.DockSituation == DockSituation.Document)
     {
         this.TabbedDocumentContextMenu.Show(e.DockControl, e.Position);
     }
 }
 private void sandDockManager1_ShowControlContextMenu(object sender, ShowControlContextMenuEventArgs e)
 {
     ctxWindow.Show(e.DockControl, e.Position);
 }