1.实现WindowListener接口 1 package tst; 2 3 import java.awt.TextArea; 4 import java.awt.event.WindowEvent; 5 import java.awt.event.WindowListener; 6 7 import javax.swing.JFrame; 8 9 public class Test { 10 final static int x=100; 11 final static int y=50; 12 final static int widt...
所以,在按钮上添加监听器方法addActionListener();addActionListener需要一个ActionListener类型的参数,ActionListener是一个事件接口,因此,我们要新建一个Listener类实现ActionListener接口,实现其中的抽象方法 publicclassListenerimplementsActionListener{publicvoidactionPerformed(ActionEvent e){}} 1. 2. 3. 输入在文本框中...
The listener object created from that class is then registered with a Window using the window's addWindowListener method. When the window's status changes by virtue of being opened, closed, activated or deactivated, iconified or deiconified, the relevant method in the listener object is invoked,...
模块java.desktop 软件包java.awt.event Interface WindowListener All Superinterfaces: EventListener 所有已知实现类: AWTEventMulticaster,BasicToolBarUI.FrameListener,JMenu.WinListener,WindowAdapter public interfaceWindowListenerextendsEventListener 用于接收窗口事件的侦听器接口。对处理窗口事件感兴趣的类要么实现此接...
初学java之WindowListener WindowListener是一个接口,用来监听窗口事件,可以通过addWindowListener(new WindowAdapter(){...})向组件中添加一个监听器。
1、点击时产生相应的动作事件 方法摘要 1publicclassTestWindowEventextendsFrame2{3publicstaticvoidmain(String[] args) {4TestWindowEvent frame =newTestWindowEvent();5frame.setSize(500, 300);6frame.addWindowListener(newMyWindowListener());7frame.setVisible(true);8}9}10classMyWindowListenerimplementsWin...
The following example demonstrates window events. A non-editable text area reports all window events that are fired by its window. This demo implements all methods in theWindowListener,WindowFocusListener, andWindowStateListenerinterfaces. You can find the demo's code inWindowEventDemo.java. ...
WindowAdapter,WindowEvent,Tutorial: Writing a Window Listener 方法摘要 所有方法实例方法抽象方法 变量和类型方法描述 voidwindowGainedFocus(WindowEvente) 当Window设置为焦点窗口时调用,这意味着Window或其子组件之一将接收键盘事件。 voidwindowLostFocus(WindowEvente) ...
Retrieves the dispatch mode of this listener. C# 複製 public int DispatchMode { [Android.Runtime.Register("getDispatchMode", "()I", "", ApiSince=30)] get; } Property Value Int32 Either #DISPATCH_MODE_CONTINUE_ON_SUBTREE to indicate that dispatching of animation e...
When the Window's status changes by virtue of it being opened, closed, activated, deactivated, iconified, or deiconified, or by focus being transfered into or out of the Window, the relevant method in the listener object is invoked, and the WindowEvent is passed to it....