Here you can find the source of dock(Window window, Window dockTo)
public static void dock(Window window, Window dockTo)
//package com.java2s; /***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License.//from ww w . j a v a2s . c o m ****************************************************************/ import javax.swing.*; import java.awt.*; public class Main { /** * "Injects" windows's content to another window */ public static void dock(Window window, Window dockTo) { window.setVisible(false); ((RootPaneContainer) dockTo).getContentPane().add(((RootPaneContainer) window).getContentPane(), BorderLayout.SOUTH); dockTo.setVisible(true); } /** * "Injects" windows's content to parent window */ public static void dock(Window window) { dock(window, window.getOwner()); } }