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ShopThe display on a Windows Vista-based computer may become corrupted when you use the GetDC(NULL) function in a WPF-based application
Consider the following scenario:
- You are running a Windows Vista-based computer.
- In a Windows Presentation Foundation (WPF)-based application, you use the GetDC(NULL) function together with an exclusive-OR (XOR) raster operation to draw on the screen.
In this scenario, the display may become corrupted. For example, some artifacts may remain on the screen longer than expected.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB946074.
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