OpenGL Does Not Redraw a Window Correctly (278695)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional

This article was previously published under Q278695

SYMPTOMS

After a part of a window that is painted by OpenGL is hidden by the window of another process and then the OpenGL window is selected again, the OpenGL window may not be redrawn correctly. This problem occurs when the following conditions exist:

A window is painted by OpenGL.
The window is an MDI window.
The hardware accelerator setting is higher than when using DirectDraw.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date        Time    Version       Size     File name
   -------------------------------------------------------
   11/07/00    05:21p  5.0.2195.2676 691,984  Opengl32.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.

MORE INFORMATION

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Modification Type:	Minor	Last Reviewed:	9/26/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbWin2000PreSP2Fix KB278695