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CBaseFilter::NonDelegatingQueryInterface (Compact 2013)

  • Artigo

3/26/2014

This member function implements the INonDelegatingUnknown::INonDelegatingUnknown method and passes out references to the IBaseFilter, IMediaFilter, IPersist, IAMovieSetup, and IUnknown interfaces.

Syntax

HRESULT NonDelegatingQueryInterface(
  REFIID riid,
  void** ppv
);

Parameters

  • riid
    Reference identifier.
  • ppv
    Pointer to the interface.

Return Value

Returns E_POINTER if ppv is invalid.

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

Remarks

Override this class to return other interfaces on the object in the derived class.

Requirements

Header

dshow.h,
Streams.h

Library

ole32.lib,
Ole32auth.lib,
Strmbase.lib,
Strmiids.lib,
uuid.lib

See Also

Reference

CBaseFilter Class