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CBaseInputPin::NonDelegatingQueryInterface

  • Article

Retrieves an interface and increments the reference count.

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

This member function implements the INonDelegatingUnknown::NonDelegatingQueryInterface method and passes out references to the IMemInputPin and IUnknown interfaces. Override this class to return other interfaces on the object in the derived class.

 Last updated on Tuesday, July 13, 2004

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