CUnknown::NonDelegatingQueryInterface (Compact 2013)

  • Article

3/26/2014

Returns an interface and increments the reference count.

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

This member function provides a base class implementation of the INonDelegatingUnknown::INonDelegatingUnknown method.

Override this class to return 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

CUnknown Class