FastQuant.OrderManager.Send C# (CSharp) Method

        public void Send(Order order)
        {
            if (!order.IsNotSent)
                throw new ArgumentException($"Can not send order that has been already sent {order}");

            this.framework.EventServer.OnSendOrder(order);
            if (order.Id == -1)
                Register(order);

            if (order.IsOCA)
            {
                List<Order> list;
                this.ordersByOCAList.TryGetValue(order.OCA, out list);
                this.ordersByOCAList[order.OCA] = list = list ?? new List<Order>();
                list.Add(order);
            }

            Orders.Add(order);
            this.ordersById[order.Id] = order;

            if (this.framework.Mode == FrameworkMode.Realtime)
                this.ordersByClOrderId[order.ClOrderId] = order;

            order.DateTime = this.framework.Clock.DateTime;
            order.Status = OrderStatus.PendingNew;
            var command = new ExecutionCommand(ExecutionCommandType.Send, order)
            {
                DateTime = order.DateTime,
                Id = order.Id,
                OrderId = order.Id,
                ClOrderId = order.ClOrderId,
                ProviderOrderId = order.ProviderOrderId,
                ProviderId = order.ProviderId,
                RouteId = order.RouteId,
                PortfolioId = order.PortfolioId,
                TransactTime = order.TransactTime,
                Instrument = order.Instrument,
                InstrumentId = order.InstrumentId,
                Provider = order.Provider,
                Portfolio = order.Portfolio,
                Side = order.Side,
                OrdType = order.Type,
                TimeInForce = order.TimeInForce,
                Price = order.Price,
                StopPx = order.StopPx,
                Qty = order.Qty,
                OCA = order.OCA,
                Text = order.Text,
                Account = order.Account,
                ClientID = order.ClientID,
                ClientId = order.ClientId
            };
            Messages.Add(command);
            order.OnExecutionCommand(command);
            this.framework.EventServer.OnExecutionCommand(command);
            this.framework.EventServer.OnPendingNewOrder(order, true);
            if (IsPersistent)
                Server?.Save(command, -1);
            order.Provider.Send(command);
        }