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This member function exposes the IMediaPositionand IMediaSeekinginterfaces and then calls CBaseFilter::NonDelegatingQueryInterfacefor interfaces implemented in the base classes.
HRESULT NonDelegatingQueryInterface( REFIID riid , void ** ppv );
Parameters
- riid
- Reference identifier.
- ppv
- Pointer to the interface.
Return Values
Returns E_POINTER if ppvis invalid. Returns NOERROR if the query is successful or E_NOINTERFACE if it is not.
Remarks
This member function overrides CBaseFilter::NonDelegatingQueryInterface. It exposes the IMediaPositionand IMediaSeekinginterfaces and then calls CBaseFilter::NonDelegatingQueryInterfacefor interfaces implemented in the base classes.