@Override
  protected void updateContainer(Tree tree, String title) {
    myTree = (XDebuggerTree)tree;
    registerTreeDisposable(myDisposable, tree);
    myMainPanel.removeAll();
    fillMainPanel(myMainPanel, tree);
    myMainPanel.revalidate();
    myMainPanel.repaint();
  }
@Override
  protected void updateContainer(Tree tree, String title)