Amqp.Session.WriteDelivery C# (CSharp) Method

        void WriteDelivery(Delivery delivery)
        {
            // Must be called under lock. Delivery must be on list already
            while (this.outgoingWindow > 0 && delivery != null)
            {
                this.outgoingWindow--;
                this.nextOutgoingId++;
                Transfer transfer = new Transfer() { Handle = delivery.Handle };

                bool first = delivery.BytesTransfered == 0;
                if (first)
                {
                    // initialize properties for first transfer
                    delivery.DeliveryId = this.outgoingDeliveryId++;
                    transfer.DeliveryTag = delivery.Tag;
                    transfer.DeliveryId = delivery.DeliveryId;
                    transfer.State = delivery.State;
                    transfer.MessageFormat = 0;
                    transfer.Settled = delivery.Settled;
                    transfer.Batchable = true;
                }

                int len = this.connection.SendCommand(this.channel, transfer, first,
                    delivery.Buffer, delivery.ReservedBufferSize);
                delivery.BytesTransfered += len;

                if (delivery.Buffer.Length == 0)
                {
                    delivery.Buffer.ReleaseReference();
                    Delivery next = (Delivery)delivery.Next;
                    if (delivery.Settled)
                    {
                        this.outgoingList.Remove(delivery);
                    }

                    delivery = next;
                }
            }
        }
    }