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The IDirectDraw4interface extends previous iterations by adding several methods that provide improved surface management and ease of use
Since it is not possible to lose surfaces in Windows CE, the IDirectDraw4::RestoreAllSurfacesmethod, has been left for compatibility purposes only. Invoking this method on CE will return a DD_OK.
Additionally, you can now retrieve a surface's IDirectDrawSurface5interface from a Windows device context by first using the IDirectDraw4::GetSurfaceFromDCmethod then call QueryInterfaceon that surface to retrieve the IDirectDrawSurface5interface.
Last updated on Tuesday, May 18, 2004