windoweventdemo.java

java2应用开发指南第一版

//WindowEventDemo.java
import java.awt.*;
import java.awt.event.*;

public class WindowEventDemo extends Frame 
{
	public WindowEventDemo()
	{
		//设置框架窗体的事件监听
		this.addWindowListener(new TestWindowListener());
			
		//设置大小和显示
		setSize(400,300);
		setVisible(true);
	}
	//程序的入口方法
	public static void main( String[] args ) 
	{
		//创建框架窗口
		new WindowEventDemo();		
	}
	
	class TestWindowListener implements WindowListener 
	{
		public void windowActivated(WindowEvent e) {
			System.out.println("window activated");
		}
		public void windowClosed(WindowEvent e) {
			System.out.println("window closed");
			System.exit(0);
		}
		public void windowClosing(WindowEvent e) {
			System.out.println("window closing ...");
			Window w = e.getWindow();
			w.dispose();
		}
		public void windowDeactivated(WindowEvent e) {
			System.out.println("window deactivated");
		}
		public void windowDeiconified(WindowEvent e) {
			System.out.println("window deiconified");
		}
		public void windowIconified(WindowEvent e){
			System.out.println("window Iconified");
		}
	
		public void windowOpened(WindowEvent e) {
			System.out.println("window opened");
		}
	}
}