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4/8/2010

This function creates a COM object that supports IMediaSeekingand IMediaPositionfor single-input pin renderers and transform filters.

Syntax 

STDAPI CreatePosPassThru(
  LPUNKNOWN 
pAgg,
  BOOL 
bRenderer,
  IPin* 
pPin,
  IUnknown** 
ppPassThru
);

Parameters

pAgg

NULL if the object is not being created as part of an aggregate; otherwise, a pointer to the aggregate object's IUnknowninterface (the controlling IUnknown).

bRenderer

TRUE if the filter supports rendering; otherwise, FALSE.

pPin

Pointer to the filter's input pin.

ppPassThru

Address of a pointer to an ISeekingPassThruinterface.

Return Value

Returns S_OK if successful; otherwise, returns an HRESULTindicating the error.

Remarks

You can use this function to create a CPosPassThruobject in Quartz.dll rather than from your own .dll file. The CLSID of the object is CLSID_SeekingPassThru.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later

See Also