Please help me it urgent....

Question

hello everyone.
i have created a class which is extending from JWindow ,when it load I want to show dialog class which extends JDesktopPane to be loaded.I have added windowlistener to the window but it does not working.
here is the code that i have tried.please help me
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class demo extends JWindow implements WindowListener
int screenWidth = Toolkit.getDefaultToolkit().getScreenSize().width;
int screenHeight = Toolkit.getDefaultToolkit().getScreenSize().height;
JLabel lbl;
JButton btn;
public demo(JFrame f)
super(f);
     JPanel pn = new JPanel();
pn.setBackground(new Color(0xF8F8F8));
     lbl = new JLabel("Designed And Programmed By: Deepak Kumar Verma.");
     lbl.setForeground(new Color(0x009595));
     pn.add(lbl);
     btn = new JButton("Submit");
     pn.add(btn);
     getContentPane().add(pn);
     setSize(screenWidth,screenHeight);
setVisible(true);
     addWindowListener(this);
     public void windowOpened(WindowEvent e)
          dialog d = new dialog();
          d.setVisible(true);
     public void windowClosing(WindowEvent e)
     public void windowClosed(WindowEvent e)
     public void windowIconified(WindowEvent e)
     public void windowDeiconified(WindowEvent e)
     public void windowActivated(WindowEvent e)
          dialog d = new dialog();
          Dimension dialogSize = d.getSize();
          d.setLocation(screenWidth/2 - (dialogSize.width/2), screenHeight/2 - (dialogSize.height/2));
          d.setVisible(true);
     public void windowDeactivated(WindowEvent e)
public static void main(String args[])
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setUndecorated(true);
f.setSize(0,0);
f.setVisible(true);
demo d = new demo(f);
//code for dialog class
     class dialog extends JDesktopPane
          public dialog()
               ImageIcon icon = new ImageIcon("C://Documents and Settings//maninder//My Documents//My Pictures//IconSecure.ico");
               JInternalFrame iframe = new JInternalFrame("Welcome -- Maintainence Zone. ", true, true, true, true);
               iframe.setFrameIcon(icon);
               JPanel p = new JPanel();
               p.setBackground(new Color(0xFFFFFF));
               iframe.setSize(320,120);
               iframe.setVisible(true);
               iframe.getContentPane().add(p);
               JLabel lbllogin = new JLabel("Login Id :");
               p.add(lbllogin);
               JTextField txtlogin = new JTextField(12);
               p.add(txtlogin);
               JLabel lblpwd = new JLabel("Password :");
               p.add(lblpwd);
               JPasswordField txtpwd = new JPasswordField(12);
               p.add(txtpwd);
               JButton btnsubmit = new JButton("submit");
               p.add(btnsubmit);
               JDesktopPane desktop = new JDesktopPane();
               desktop.add(iframe);
               getContentPane().add(desktop);
thanks in advance

Answer 1

See my first comment in this posting:
http://forum.java.sun.com/thread.jspa?threadID=723670