Function GetInterface

common/baseclasses/combase.cpp:216–222

   performing a thread safe AddRef as necessary */

STDAPI GetInterface(LPUNKNOWN pUnk, __out void **ppv)
{
    CheckPointer(ppv, E_POINTER);
    *ppv = pUnk;
    pUnk->AddRef();
    return NOERROR;
}

/* Compares two interfaces and returns TRUE if they are on the same object */