|
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
public class FrameHandlingEvents extends JFrame {
public FrameHandlingEvents(String title) {
setTitle(title);
// setDefaultCloseOperation(EXIT_ON_CLOSE);
enableEvents(java.awt.AWTEvent.WINDOW_EVENT_MASK);
}
protected void processWindowEvent(WindowEvent e) {
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.out.println(WindowEvent.WINDOW_CLOSING);
dispose();
System.exit(0);
}
super.processWindowEvent(e); // Pass on the event
}
public static void main(String[] a) {
FrameHandlingEvents window = new FrameHandlingEvents("Sketcher");
window.setBounds(30, 30, 300, 300);
window.setVisible(true);
}
}
|
