CUnknown::NonDelegatingQueryInterface

  • Article

Returns 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 provides a base class implementation of the INonDelegatingUnknown::NonDelegatingQueryInterface method. Override this class to return interfaces on the object in the derived class.

 Last updated on Tuesday, July 13, 2004

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