JInternalFrame Full Screen Exclusive mode lag Windows 7?

Hi everyone I'm not sure if i'm posting this question in the right category so feel free to move it. I recently have been playing around with full screen exclusive mode and JInternalFrames. Now what iv'e noticed is on every platform i've tried it works fine. When clicking and dragging the JInternalFrame to a new location it is quick and responsive. However when doing this same operation in Windows 7 the JInternalFrame lags significantly behind the mouse location as i'm dragging the internal frame. I haven't had a chance to test this on any other Windows platforms such as Vista or XP but I don't think it happens on those platforms, at least I don't remember this ever happening when I had Windows Vista and it doesn't occur in Mac OS 10.6.
The following are the circumstances i've found that produce this problem:
*1. The program is set to Full Screen Exclusive mode.*
*2. You are using Windows 7 (possibly other Windows platforms)*
*3. Click and drag a JInternalFrame to a new location.*
I've tried several things to see if it fixes the problem such as setting the look and feel to cross platform but nothing helps. In fact when the LAF is set to cross platform it is even worse.
Now i'm new to Full Screen Exclusive mode so i'm guessing (hoping) this is a problem caused by an error on my part. Here is the source code, i'd appreciate it if you give it a try. My question is how do I fix this lag so that the JInternalFrame is quick and responsive to the user dragging the window and i'm also wondering if this only happens on Windows 7 so if anyone could also tell me if they experience the problem I am describing and the OS you are using that would be great. Thank you guys :)
Also any input about wether i'm setting up full screen exclusive mode correctly would be much appreciated too.
package lag;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class InternalFrameLag
 public static void main(String[] args) {
 SwingUtilities.invokeLater( new Runnable() {
 public void run() {
 new InternalFrameLag();
 GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
 GraphicsDevice[] devices = env.getScreenDevices();
 GraphicsDevice device;
 JFrame frame = new JFrame("Internal Frame Lag");
 JDesktopPane pane = new JDesktopPane();
 JInternalFrame internalFrame = new JInternalFrame("Internal Frame", true, true, true, true);
 JButton exit = new JButton("Exit");
 public InternalFrameLag() {
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.setUndecorated(true);
 exit.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 System.exit(0);
 exit.setPreferredSize(new Dimension(250,23));
 internalFrame.setLayout(new FlowLayout());
 internalFrame.setBounds(100,100,500,300);
 internalFrame.add(exit);
 pane.add(internalFrame);
 frame.add(pane);
 // get device that supports full screen
 for(int i = 0; i<devices.length; i++) {
 if(devices.isFullScreenSupported()) {
device = devices[i];
break;
if(device!=null) {
device.setFullScreenWindow(frame);
internalFrame.setVisible(true);
} else {
System.exit(0);
Edit: Decided to make the font size bigger. Eyestrain is killing me.

Darryl Burke wrote:
neptune692 wrote:

Edit: Decided to make the font size bigger. Eyestrain is killing me.Hopefully that will carry over to my response and I won't have to edit to add it ;)
I don't see the lag you describe. There's some flicker when moving the internal frame around rapidly (it looks as if the borders follow the content a split second later, but can't be caught in a screen capture) but that's no different when I show the internal frame in a normal (not full screen) window.
<tt>Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\Darryl>java -version
java version "1.6.0_17"
Java(TM) SE Runtime Environment (build 1.6.0_17-b04)
Java HotSpot(TM) Client VM (build 14.3-b01, mixed mode, sharing)</tt>
dbThanks for your reply and thanks for testing out my code. Could this lag be something wrong with my VM on Windows 7, cause the lag is extremely bad as in it takes a couple seconds for the internal frame to catch up with the mouse. I also just noticed that any other components in full screen exclusive mode on Windows 7 lag as well. Such as scrolling though a large amount of text, the scroll bar will lag far behind the mouse location and take a couple of seconds to catch up even when the mouse is moving fairly slow. I was hoping it was something in the code I was doing wrong but I guess not? Any suggestions on how I could fix this problem? It really makes my applications appear sluggish. For example when you click on a normal window such as in Windows Explorer and drag it to a new location the mouse stays in a fixed position on the window while you are dragging it. However with this lag the mouse appears to be "detatched" from the window and does not stay in the same location on the window while dragging. Does anyone else experience this or is this normal? I'm using Windows 7 64bit but I don't think that would make any difference. I'd also like to point out that I'm using Java 6 update 21 I don't know if that would make a difference opposed to update 17.
Thanks again.
Edited by: neptune692 on Oct 2, 2010 10:23 AM

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