Microsoft DirectX 8.0

ISignalEvents Interface

This is a standard COM IConnectionPoint interface. Implement this interface in your application to receive information about the strength of the current signal. Calling ITuner::TriggerSignalEvents will cause the Tuner to send OnSignal events continuously to your application.

ISignalEvents::OnSignal

ISignalEvents Interface

Informs an application of the strength of the current signal.

Syntax

HRESULT OnSignal(long* Strength );

Parameters

Strength
[out] Pointer to a variable of type long that will receive the new signal strength value.

Return Value

Returns S_OK if successful. If the method fails, error information can be retrieved using the standard COM IErrorInfo interface.