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| Microsoft DirectShow 9.0 |
IVMRMixerBitmap9::GetAlphaBitmapParameters
The GetAlphaBitmapParameters method retrieves a copy of the current image and related blending parameters.
Syntax
HRESULT GetAlphaBitmapParameters( VMR9AlphaBitmap* pBmpParms );
Parameters
pBmpParms
[out] Pointer to a VMR9AlphaBitmap structure that receives the bitmap, information about the blending values, and the ___location to blend it.
Return Values
The method returns an HRESULT. Possible values include those in the following table.
| Value | Description |
| S_OK | The method succeeded. |
| E_POINTER | pBmpParms is invalid. |
| VFW_E_WRONG_STATE | The mixer has not been loaded. |
Requirements
Header: Include D3d9.h, Vmr9.h.
Library: Use Strmiids.lib.
See Also