This event fires when the handset's microphone gain has changed. The new value is stored in the Handset.Gain property. This event will fire only if the property values THandset.Available and Handset.GainAvailable are True.

Availability

Design-Time: Read, Write / Run-Time: Read, Write

Declaration

procedure OnHandsetGain(Sender: TObject);
property OnHandsetGain : TNotifyEvent;

See Also

ThbTapiPhone.Handset