Microsoft DirectX 8.0 |
An application using the TV Audio filter can implement the IAMTVAudioNotification interface to receive event notifications from a TV tuner card 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. IAMTVAudioNotification methods Description OnEvent Handles events from a TV tuner card controlled by the IAMTVAudio interface.
Handles events from a TV tuner card controlled by the IAMTVAudio interface.
Syntax
HRESULT OnEvent( AMTVAudioEventType Event );
Parameters
- Event
- [in] Flag identifying the type of event. The only value currently defined is AMTVAUDIO_EVENT_CHANGED.
Return Value
Returns an HRESULT value that depends on the implementation of the interface.