Rhino.Queues.Storage.GlobalActions.GetNumberOfMessages C# (CSharp) Метод

        public int GetNumberOfMessages(string queueName)
        {
            Api.JetSetCurrentIndex(session, queues, "pk");
            Api.MakeKey(session, queues, queueName, Encoding.Unicode, MakeKeyGrbit.NewKey);

            if (Api.TrySeek(session, queues, SeekGrbit.SeekEQ) == false)
                return -1;

            var bytes = new byte[4];
            var zero = BitConverter.GetBytes(0);
            int actual;
            Api.JetEscrowUpdate(session, queues, ColumnsInformation.QueuesColumns["number_of_messages"],
                                zero, zero.Length, bytes, bytes.Length, out actual, EscrowUpdateGrbit.None);
            return BitConverter.ToInt32(bytes, 0);
        }