The CPosPassThru helper function creates a plug-in distributor (a CPosPassThru COM object) that supports IMediaSeeking and IMediaPosition.
| Function | Description |
| CreatePosPassThru | Creates a CPosPassThru COM object. |
Creates a COM object that supports IMediaSeeking and IMediaPosition for single-input pin renderers and transform filters.
STDAPI CreatePosPassThru(
LPUNKNOWN pAgg,
BOOL bRenderer,
IPin *pPin,
IUnknown **ppPassThru
);
Returns S_OK if successful; otherwise, returns an HRESULT indicating the error.
You can use this function to create a CPosPassThru object in Quartz.dll rather than from your own .dll file. The CLSID of the object is CLSID_SeekingPassThru.
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