Microsoft DirectX 8.0 |
An application that captures or displays television signals can implement the IAMTunerNotification interface in order to receive event notifications from the TV tuner filter called through IAMTuner::RegisterNotificationCallBack.
Methods in Vtable Order
IUnknown methods Description QueryInterface Retrieves pointers to supported interfaces. AddRef Increments the reference count. Release Decrements the reference count. IAMTunerNotification methods Description OnEvent Handles events from the TV tuner card.
Handles events from the TV tuner card.
Syntax
HRESULT OnEvent( AMTunerEventType Event );
Parameters
- Event
- [in] Flag identifying the type of event. Currently, the only value defined is AMTUNER_EVENT_CHANGED.
Return Value
Returns an HRESULT value that depends on the implementation of the interface.