You develop an application that uses the UpdateLayeredWindowIndirect function to update a layered window. However, when you run the application in Windows Vista or in Windows Server 2008, the function does not correctly display the layered window.

This issue occurs when the following conditions are true:

• In the UPDATELAYEREDWINDOWINFO structure, you use both the pptSrc parameter and the prcDirty parameter.
• The pptSrc parameter does not use the default value (0, 0).
• The Desktop Window Manager (DWM) feature is enabled.

Additionally, when the issue occurs, you cannot manipulate the parameters to output the correct result.

• Windows Vista Team Blog : 10 Things ? Windows Media Center Movie Browser
  For those using Home Premium or Ultimate, the Movie Browser is another one of those functions that’s available but many don’t know about.
  (tags: Review Media Center )
• Internet statistics reveal Vista?s lack of acceptance.
  I doubt it’s a very scientific study, but some stats suggest Vista only makes up 3% of web browsing. I’m sure if I look at my logs, my stats would suggest almost everyone is using Vista. Who’s right? Who cares.
  (tags: PR )

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