Microsoft DirectX 8.0

IAMTunerNotification Interface

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 methodsDescription
QueryInterface Retrieves pointers to supported interfaces.
AddRef Increments the reference count.
Release Decrements the reference count.
IAMTunerNotification methodsDescription
OnEvent Handles events from the TV tuner card.

IAMTunerNotification::OnEvent

IAMTunerNotification Interface

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.