wineventdemo.java

来自「java课件 java课件 java课件 java课件」· Java 代码 · 共 40 行

// WinEventDemo.java
import java.awt.event.*;
import javax.swing.*;
public class WinEventDemo extends JFrame{ 
  public WinEventDemo(){
 	super("Windows Event Demo");
  	setSize(400,250);
      setLocation(200,200);
      setVisible(true);
      addWindowListener(new WL());
  }
  public static void main(String[]args){
     new WinEventDemo();  
  }
  class WL implements WindowListener{
    public void windowOpened(WindowEvent we){
      System.out.println("Window is opened");
    }
    public void windowClosing(WindowEvent we){
    System.out.println("Window is closing");
    System.exit(0);
    }
    public void windowClosed(WindowEvent we){
      System.out.println("Window is closed");
    }
    public void windowActivated(WindowEvent we){
      System.out.println("Window is activated");
    }
    public void windowDeactivated(WindowEvent we){
      System.out.println("Window is deactivated");
    }
    public void windowIconified(WindowEvent we){
      System.out.println("Window is iconified");
    }
    public void windowDeiconified(WindowEvent we){
      System.out.println("Window is deiconified");
    }
  }
}