public AsyncReply Unlisten(EventTemplate et) { if (et == null) { return(new AsyncReply().TriggerError(new AsyncException(ErrorType.Management, (ushort)ExceptionCode.MethodNotFound, ""))); } if (!et.Listenable) { return(new AsyncReply().TriggerError(new AsyncException(ErrorType.Management, (ushort)ExceptionCode.NotListenable, ""))); } return(connection.SendUnlistenRequest(instanceId, et.Index)); }