Microsoft DirectX 8.1 (C++)

IVMRMixerBitmap::GetAlphaBitmapParameters

This topic applies to Windows XP Home Edition and Windows XP Professional only.

The GetAlphaBitmapParameters method retrieves a copy of the current image and related blending parameters.

Syntax

HRESULT GetAlphaBitmapParameters(
  PVMRALPHABITMAP  pBmpParms
);

Parameters

pBmpParms

[out]  Pointer to a VMRALPHABITMAP structure that receives the bitmap, information about the blending values, and the location to blend it.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Error Code Description
E_POINTER pBmpParms is invalid.
VFW_E_WRONG_STATE The mixer has not been loaded.

See Also