private void setExpanded() {
    List<Object> elements = TreeUtil.collectExpandedUserObjects(myTree);
    // remove root Object
    for (Iterator<Object> I = elements.iterator(); I.hasNext(); ) {
      Object element = I.next();
      if (!(element instanceof RadComponent)) {
        I.remove();
      }
    }
    myDesigner.setExpandedComponents(elements);
  }
private void setExpanded()