windoweventdemo.java
来自「java2应用开发指南第一版」· Java 代码 · 共 51 行
JAVA
51 行
//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");
}
}
}
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