@Override
 public void childRendered(MElementContainer<MUIElement> parentElement, MUIElement element) {
   super.childRendered(parentElement, element);
   ToolBar toolbar = (ToolBar) getUIContainer(element);
   if (toolbar != null && !toolbar.isDisposed()) {
     toolbar.getShell().layout(new Control[] {toolbar}, SWT.DEFER);
   }
 }