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CMediaEvent::NonDelegatingQueryInterface (Compact 2013)

  • Artigo

3/26/2014

Returns a specified reference-counted interface.

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

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::INonDelegatingUnknown method.

Requirements

Header

dshow.h,
Streams.h

Library

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

See Also

Reference

CMediaEvent Class