 Important: |
|---|
| This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist. |
Returns a specified reference-counted interface.
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
Returns pointers to the IMediaPosition, IMediaSeeking, and IUnknowninterfaces by default. Override this method to publish any additional interfaces implemented by the derived class.
This member function implements the INonDelegatingUnknown::NonDelegatingQueryInterfacemethod.