updateClassType(); updateChooser(); updateChildPropertySheet();
	public void actionPerformed(ActionEvent e) {	  if (m_Backup != null) {	    setObject(m_Backup);	    m_Backup=null;	  }	  if ((getTopLevelAncestor() != null)	      && (getTopLevelAncestor() instanceof Window)) {	    Window w = (Window) getTopLevelAncestor();	    w.dispose();	    updateClassType();	    updateChooser();	    updateChildPropertySheet();	  }	}