CUnknown::NonDelegatingQueryInterface (Compact 2013)
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, |
Library |
ole32.lib, |