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DDOVERLAYFX

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This structure passes override information to the IDirectDrawSurface::UpdateOverlay method.

typedef struct _DDOVERLAYFX{ 
  DWORD dwSize; 
  DWORD dwAlphaConstBitDepth; 
  DWORD dwAlphaConst; 
  DDCOLORKEY dckDestColorkey; 
  DDCOLORKEY dckSrcColorkey; 
} DDOVERLAYFX,FAR *LPDDOVERLAYFX;

Members

  • dwSize
    Size of the structure, in bytes.

    This member must be initialized before the structure is used.

  • dwAlphaConstBitDepth
    Bit depth used to specify the alpha constant.

  • dwAlphaConst
    Constant to use as the alpha channel.

  • dckDestColorkey
    Destination color key override.

  • dckSrcColorkey
    Source color key override.

Requirements

Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 5.01 and later
Header: Ddraw.h.

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