|Microsoft DirectX 9.0|
CBaseControlVideo( CBaseFilter *pFilter, CCritSec *pInterfaceLock, TCHAR *pName, LPUNKNOWN pUnk, HRESULT *phr );
Pointer to the owning media filter object.
Pointer to the critical section to use for locking.
Pointer to the object description.
Pointer to the controlling IUnknown interface, if the object is part of an aggregate; otherwise, must be NULL.
Pointer to a variable that receives an HRESULT value indicating the success or failure of the constructor method.
No return value.
The object implements the IBasicVideo control interface.
All the interface methods from IBasicVideo that this class implements require that the filter be connected correctly. For this reason, the class is passed a pin with which it should synchronize with. Whenever an interface method is called, the object determines that the pin is still connected.