Definition of event delegate you should use if you want to receive the OnSpeakState event.
[Visual Basic]
Public Delegate Sub OnSpeakState( _
ByVal Sender As Object, _
Byval e As OnSpeakStateArgs_
)
[C#]
public delegate void OnSpeakState(
object Sender,
OnSpeakStateArgs e
);
Namespace: TAPIEx
Assembly: TAPIEx.Net.Dll