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Active Desktop Wallpaper Appears ScrambledArticle ID: 269595 - View products that this article applies to. This article was previously published under Q269595 SYMPTOMS
When the Active Desktop is enabled on your computer, some wallpaper bitmaps may not display correctly if the wallpaper display mode is set to "Stretch". In addition to multiple horizontal bands of distorted desktop background, dragging or resizing windows can result in additional erratic scrambling. Note that this problem is only likely to occur at higher screen resolutions when you are using the "Blue Rivets" or "Triangle" wallpaper bitmaps (both of these are 16 x 16 bitmaps). Note that if the Active Desktop is disabled, the desktop does not attempt to display the affected stretched bitmaps.
CAUSE
This problem can occur because the Active Desktop Web content display (Mshtml.dll) fails to properly handle an unexpected error from the Graphics Device Interface (GDI) function "StretchBlt()", and this results in the display of improperly-filled bitmaps on the desktop background.
RESOLUTION
To work around this problem, select a different background picture.
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. MORE INFORMATIONFor additional information about the problem with StretchBlt(), click the article number below
to view the article in the Microsoft Knowledge Base:
269585
(http://support.microsoft.com/kb/269585/EN-US/
)
PRB: StretchBlt()/StretchDIBits() Fails When Bitmap Sizes Differ Greatly
PropertiesArticle ID: 269595 - Last Review: January 27, 2007 - Revision: 3.2 APPLIES TO
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