SpeechRecognizer.SoundEnded Event

public:
event TypedEventHandler<SpeechRecognizer^ , SpeechRecognizerSoundEndedEventArgs^ >^ SoundEnded {
         EventRegistrationToken add (TypedEventHandler<SpeechRecognizer^ , SpeechRecognizerSoundEndedEventArgs^ >^ value);
         void remove (EventRegistrationToken token);
}