Java tutorial
/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing; /** * Constants used to control the window-closing operation. * The <code>setDefaultCloseOperation</code> and * <code>getDefaultCloseOperation</code> methods * provided by <code>JFrame</code>, * <code>JInternalFrame</code>, and * <code>JDialog</code> * use these constants. * For examples of setting the default window-closing operation, see * <a href="https://docs.oracle.com/javase/tutorial/uiswing/components/frame.html#windowevents">Responding to Window-Closing Events</a>, * a section in <em>The Java Tutorial</em>. * @see JFrame#setDefaultCloseOperation(int) * @see JDialog#setDefaultCloseOperation(int) * @see JInternalFrame#setDefaultCloseOperation(int) * * * @author Amy Fowler * @since 1.2 */ public interface WindowConstants { /** * The do-nothing default window close operation. */ public static final int DO_NOTHING_ON_CLOSE = 0; /** * The hide-window default window close operation */ public static final int HIDE_ON_CLOSE = 1; /** * The dispose-window default window close operation. * <p> * <b>Note</b>: When the last displayable window * within the Java virtual machine (VM) is disposed of, the VM may * terminate. See <a href="../../java/awt/doc-files/AWTThreadIssues.html"> * AWT Threading Issues</a> for more information. * @see java.awt.Window#dispose() * @see JInternalFrame#dispose() */ public static final int DISPOSE_ON_CLOSE = 2; /** * The exit application default window close operation. Attempting * to set this on Windows that support this, such as * <code>JFrame</code>, may throw a <code>SecurityException</code> based * on the <code>SecurityManager</code>. * It is recommended you only use this in an application. * * @since 1.4 * @see JFrame#setDefaultCloseOperation */ public static final int EXIT_ON_CLOSE = 3; }