KeyEvent Not Responding?

hello there

in my following sample iam using the keyEvent but it is not working

i don't know why?

here is the code:

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import javax.swing.text.NumberFormatter;

import javax.swing.JFrame;

import javax.swing.JButton;

import java.awt.Image;

import javax.swing.ImageIcon;

import java.awt.Toolkit;

import java.awt.Container;

import java.awt.event.ActionListener.*;

import java.awt.event.ActionEvent.*;

import java.lang.Runtime;

import java.io.*;

import java.io.IOException;

import java.rmi.*;

import java.rmi.server.*;

import java.math.*;

import java.util.*;

import java.text.*;

import javax.swing.text.*;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenu;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import java.awt.event.KeyEvent;

import java.awt.AWTException;

import java.awt.Desktop;

import java.awt.SystemTray;

import java.awt.TrayIcon;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

class systemtrayextends JFrame

{

private Desktop desktop;

private TrayIcon trayIcon=null;

private SystemTray tray;

private PopupMenu popup;

private MenuItem unHideItem;

private MenuItem defaultItem;

JTextField txt=new JTextField("Hello",5);

JPanel pnl=new JPanel();

public systemtray()

{

super("System Tray");

if (Desktop.isDesktopSupported()){

desktop = Desktop.getDesktop();

}

initComponents();

Container c=getContentPane();

pnl.add(txt);

c.add(pnl);

setSize(350,200);

setResizable(false);

setVisible(true);

c.addKeyListener(new KeyAdapter(){

publicvoid KeyPressed(KeyEvent evt){

if ( ((evt.isAltDown() && evt.getKeyCode() == KeyEvent.VK_F4)) )

{

System.exit(0);

}

}

});

}

protectedvoid UnHide()

{

setVisible(true);

setupSystemTray();

}

privatevoid initComponents(){

setupSystemTray();

}

privatevoid setupSystemTray(){

if (SystemTray.isSupported()){

final SystemTray tray = SystemTray.getSystemTray();

Image image = Toolkit.getDefaultToolkit().getImage("D:\\Other\\JAVA\\Icons\\shutdown.png");

ActionListener exitListener =new ActionListener(){

publicvoid actionPerformed(ActionEvent e){

System.exit(0);

}

};

ActionListener unHideListener =new ActionListener(){

publicvoid actionPerformed(ActionEvent e){

UnHide();

tray.remove(trayIcon);

}

};

ActionListener actionListener =new ActionListener(){

publicvoid actionPerformed(ActionEvent e){

UnHide();

tray.remove(trayIcon);

}

};

PopupMenu popup =new PopupMenu();

MenuItem defaultItem =new MenuItem("Exit");

defaultItem.addActionListener(exitListener);

MenuItem unHideItem =new MenuItem("Restore");

unHideItem.addActionListener(unHideListener);

popup.add(unHideItem);

popup.add(defaultItem);

trayIcon =new TrayIcon(image,"JShutdown Timer",popup);

class TrayActionListenerimplements ActionListener{

publicvoid actionPerformed(ActionEvent ee){

trayIcon.getPopupMenu();

}

};

trayIcon.setImageAutoSize(true);

trayIcon.addActionListener(actionListener);

trayIcon.addActionListener(new TrayActionListener());

try{

tray.add(trayIcon);

}catch (AWTException e){

}

}

else{

}

}

publicstaticvoid main(String args[]){new systemtray();}

}

[8202 byte] By [First_knighta] at [2007-11-27 8:36:21]