private void initTreeUI() {
    final int adTreeId = adInfoWindowBL.getAD_Tree_ID(infoWindow);
    if (adTreeId <= 0) {
      return;
    }

    final VTreePanel treePanel = new VTreePanel(Env.getWindowNo(this), false, false);
    treePanel.setBorder(BorderFactory.createEmptyBorder(2, 3, 2, 3));

    treePanel.initTree(adTreeId);
    treePanel.addPropertyChangeListener(VTreePanel.PROPERTY_ExecuteNode, treeNodeSelectedListener);
    treePanel.setPreferredSize(new Dimension(200, treePanel.getPreferredSize().height));

    setTreePanel(treePanel, 200);
  }