CMediaEvent::NonDelegatingQueryInterface

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 ppv is invalid. Returns NOERROR if the query is successful or E_NOINTERFACE if it is not.

Remarks

Returns a pointer to the IMediaEvent and IUnknown interfaces by default. Override this member function to publish any additional interfaces added by the derived class.

This member function implements the INonDelegatingUnknown::NonDelegatingQueryInterface method.

 Last updated on Tuesday, July 13, 2004

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