CMediaControl::NonDelegatingQueryInterface (Compact 2013)
3/26/2014
Retrieves a specified reference-counted interface.
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
Returns pointers to the IMediaControl and IUnknown interfaces by default.
Override this member function to publish any additional interfaces implemented by the derived class.
This member function implements the INonDelegatingUnknown::INonDelegatingUnknown method.
Requirements
Header |
dshow.h, |
Library |
ole32.lib, |