Java WindowEvent(Window source, int id) Constructor

public WindowEvent(Window source,   int id)

/*from  www .  j  a  v a  2 s.c  o  m*/
import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class Main extends JFrame {
  public Main() {

    setDefaultCloseOperation(EXIT_ON_CLOSE);
    enableEvents(java.awt.AWTEvent.WINDOW_EVENT_MASK);
  }

  protected void processWindowEvent(WindowEvent e) {
    WindowEvent newEvent = new WindowEvent(this,WindowEvent.WINDOW_ACTIVATED);
    
    super.processWindowEvent(e); // Pass on the event
  }

  public static void main(String[] a) {
    Main window = new Main();
    window.setBounds(30, 30, 300, 300);
    window.setVisible(true);
  }
}