Here you can find the source of disposeParentWindow(JComponent component)
public static void disposeParentWindow(JComponent component)
//package com.java2s; /*/*from w w w.j a v a2s . c om*/ (C) 2007 Stefan Reich (jazz@drjava.de) This source file is part of Project Prophecy. For up-to-date information, see http://www.drjava.de/prophecy This source file is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 2.1. */ import javax.swing.*; import java.awt.*; public class Main { public static void disposeParentWindow(JComponent component) { Window window = SwingUtilities.windowForComponent(component); if (window != null) window.dispose(); } }