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

Availability

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

Declaration

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

See Also

ThbTapiPhone.Speakerphone