CMediaSample::NonDelegatingQueryInterface (Compact 2013)
3/26/2014
Retrieves 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 implements the INonDelegatingUnknown::INonDelegatingUnknown method and passes out references to the IMediaSample and IUnknown interfaces.
Override this class to return other interfaces on the object in the derived class.
Requirements
Header |
dshow.h, |
Library |
ole32.lib, |