GUI编程之窗口监听

GUI编程之窗口监听

package com.zhang.lesson03;

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class TestWindow {
    public static void main(String[] args) {
        new WindowFrame();
    }
}
class WindowFrame extends Frame{
    public WindowFrame()  {
        setVisible(true);
        setBounds(100,100,500,500);
        //addWindowListener(new MyWindowListener());

        this.addWindowListener(
                new WindowAdapter() {

                    @Override
                    public void windowOpened(WindowEvent e) {
                        System.out.println("windowOpened");
                    }

                    @Override
                    public void windowClosing(WindowEvent e) {
                        System.out.println("windowClosing");
                        System.exit(0);
                    }

                    @Override
                    public void windowClosed(WindowEvent e) {
                        System.out.println("windowClosed");
                    }



                    @Override
                    public void windowActivated(WindowEvent e) {
                        System.out.println("windowActivated");
                    }


                }
        );
    }
    class MyWindowListener extends WindowAdapter{
        @Override
        public void windowClosing(WindowEvent e) {
            System.exit(0);//正常退出
        }
    }
}