eventsample2.java

java入门经典教程 java入门经典教程 java入门经典教程

// 例6.2.2 EventSample2.java
import java.awt.event.*; 
import javax.swing.*;      
public class EventSample2
{   
	JFrame frame;
	class MyWindowListener implements WindowListener //内部类
{
		public void windowClosing(WindowEvent e)
		{
			frame.setVisible(false);  
			frame.dispose();
System.exit(0);
		}
		public void windowActivated(WindowEvent e){ }
		public void windowClosed(WindowEvent e){ }
		public void windowDeactivated(WindowEvent e){ }
		public void windowDeiconified(WindowEvent e){ }
		public void windowIconified(WindowEvent e){ }
		public void windowOpened(WindowEvent e){ }
}
public EventSample2()  // 构造函数 
{
		frame=new JFrame();  // 创建一个窗体框架
		frame.setTitle("事件演示程序");   
		frame.setSize(300,200);           
		frame.setVisible(true);           
	frame.addWindowListener(new MyWindowListener());
}
	public static void main(String[] args)
{
			new EventSample2();
	}
}