Amqp.ReceiverLink.Reject C# (CSharp) Method

        public void Reject(Message message, Error error = null)
        {
            this.ThrowIfDetaching("Reject");
            this.DisposeMessage(message, new Rejected() { Error = error });
        }

        public static void Main(string[] args)
        {
            Trace.TraceLevel = TraceLevel.Frame;
            Trace.TraceListener = (f, a) =>
            {
                var t = DateTime.Now.ToString("[hh:ss.fff]") + " " + string.Format(f, a);
                Console.WriteLine(t);
            };

            connection = new Connection(amqpAddress, null, new Open()
            {
                ContainerId = Guid.NewGuid().ToString(),
                ChannelMax = 64,
                MaxFrameSize = 200,
            }, null);
            connection.Closed = OnClosed;

            session = new Session(connection);
            session.Closed = OnClosed;

            var linkName = Guid.NewGuid().ToString();
            senderLink = new SenderLink(session, linkName, new Attach()
            {
                Target = new Target()
                {
                    Address = "TestQueue1",
                },
                //RcvSettleMode = ReceiverSettleMode.Second,
                //SndSettleMode = SenderSettleMode.Settled,
            }, null);
            senderLink.Closed = OnClosed;

            for (int i = 0; i < 10; i++)
            {
                senderLink.Send(CreateMessage(), 5000);
            }

            senderLink.Close();

            linkName = Guid.NewGuid().ToString();
            receiverLink = new ReceiverLink(session, linkName, "TestQueue1");
            receiverLink.Closed = OnClosed;
            receiverLink.SetCredit(1);
            var message = receiverLink.Receive(20000);
            int receiveCount = 0;
            while(message != null)
            {
                receiveCount++;
                //Console.WriteLine(message.Body.GetType());
                Console.WriteLine(message.BodySection.GetType());
                Console.WriteLine("Receive #{0}. Message = \"{1}\"", receiveCount.ToString(), Encoding.UTF8.GetString(message.GetBody<byte[]>()));
                if (receiveCount % 7 == 0)
                    receiverLink.Release(message);
                else if (receiveCount % 4 == 0)
                    receiverLink.Reject(message);
                else
                    receiverLink.Accept(message);
                Thread.Sleep(10000);
                message = receiverLink.Receive(20000);
            }
            receiverLink.Close();

            session.Close();
            connection.Close();
        }