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The IDDVideoPortContainer::CreateVideoPortmethod creates a DirectDrawVideoPort object.
HRESULT CreateVideoPort( DWORD dwFlags , LPDDVIDEOPORTDESC lpDDVideoPortDesc , LPDIRECTDRAWVIDEOPORT FAR * lplpDDVideoPort , IUnknown FAR * pUnkOuter );
Parameters
- dwFlags
- Flags specifying video-port control options. This parameter can
be one of the following flags, or NULL if control options are not
needed:
DDVPCREATE_VBIONLY The process controls the VBI portion of the video stream. DDVPCREATE_VIDEOONLY The process controls the non-VBI (video) portion of the video stream. - lpDDVideoPortDesc
- Address of a DDVIDEOPORTDESCstructure that describes the DirectDrawVideoPort object to be created.
- lplpDDVideoPort
- Address of a variable that will be filled with a pointer to the new DirectDrawVideoPort object's IDirectDrawVideoPortinterface if the call succeeds.
- pUnkOuter
- Allows for future compatibility with COM aggregation features.
Presently, this method will return an error if this parameter is
other than NULL.
Return Values
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
DDERR_CURRENTLYNOTAVAIL DDERR_INVALIDOBJECT DDERR_INVALIDPARAMS DDERR_NOCOOPERATIVELEVELSET DDERR_OUTOFCAPS DDERR_OUTOFMEMORY Requirements
Runs on Versions Declared in Link to Windows CE OS 2.12 or later. Version 2.12 requires DXPAK 1.0 or later. dvp.h ddraw.lib