/// <summary>
        ///
        /// </summary>
        public OrderInfo?SubmitOrder(AccountInfo accountInfo, Symbol symbol, OrderTypeEnum orderType, int volume,
                                     decimal?allowedSlippage, decimal?desiredPrice, decimal?takeProfit, decimal?stopLoss, out string operationResultMessage)
        {
            OrderInfo?order = null;

            operationResultMessage = string.Empty;
            string operationResultMessageCopy = string.Empty;

            GeneralHelper.DefaultDelegate delegateInstance = delegate()
            {
                try
                {
                    TradeDeskAut desk = _desk;
                    if (desk == null)
                    {
                        return;
                    }

                    bool   isBuy     = OrderInfo.TypeIsBuy(orderType);
                    double realValue = isBuy ? (double)GetInstrumentData(symbol.Name, "Ask") : (double)GetInstrumentData(symbol.Name, "Bid");

                    object orderId, psd;
                    object ocoStopOrderId = null, ocoProfitOrderId = null;

                    desk.CreateFixOrder(desk.FIX_OPENMARKET,
                                        "",
                                        realValue,
                                        realValue,
                                        (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                        accountInfo.Id,
                                        symbol.Name,
                                        isBuy,
                                        volume,
                                        "",
                                        out orderId,
                                        out psd);

                    order = new OrderInfo(orderId.ToString(), symbol, orderType,
                                          OrderStateEnum.Executed, volume, new decimal(realValue), null,
                                          null, null, null, null, null, null, null, null, null, "ok", "1");

                    //check bid value...
                    if (stopLoss.HasValue)
                    {
                        double dValue = Decimal.ToDouble(stopLoss.Value);

                        desk.CreateFixOrder(desk.FIX_ENTRYSTOP,
                                            "",
                                            dValue,
                                            dValue,
                                            (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                            accountInfo.Id,
                                            symbol.Name,
                                            !isBuy,
                                            volume,
                                            "",
                                            out ocoStopOrderId,
                                            out psd);
                    }

                    if (takeProfit.HasValue)
                    {
                        double dValue = Decimal.ToDouble(takeProfit.Value);

                        desk.CreateFixOrder(desk.FIX_ENTRYLIMIT,
                                            "",
                                            dValue,
                                            dValue,
                                            (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                            accountInfo.Id,
                                            symbol.Name,
                                            !isBuy,
                                            volume,
                                            "",
                                            out ocoProfitOrderId,
                                            out psd);
                    }

                    //Create OCO.
                    if (stopLoss.HasValue && takeProfit.HasValue)
                    {
                        bool creationOk = true;
                        FXCore.OrdersIDEnumAut group = new FXCore.OrdersIDEnumAut();
                        group.Add((string)ocoProfitOrderId);
                        group.Add((string)ocoStopOrderId);
                        object _result = null;
                        object ocoid   = null;
                        desk.CreateOCO(group, out _result, out ocoid);

                        FXCore.OrdersBatchResultEnumAut result = (FXCore.OrdersBatchResultEnumAut)_result;
                        for (int i = 1; i <= result.Count; i++)
                        {
                            FXCore.OrderBatchResultAut res = (FXCore.OrderBatchResultAut)result.Item(i);
                            creationOk = creationOk && res.Success;

                            if (!creationOk)
                            {
                                //Ups throw an exception!!!  But what about the current order.
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    operationResultMessageCopy = GeneralHelper.GetExceptionMessage(ex);
                    SystemMonitor.OperationError(operationResultMessageCopy);
                }
            };

            BackgroundMessageLoopOperator messageOperator = _messageLoopOperator;

            if (messageOperator != null)
            {
                messageOperator.Invoke(delegateInstance, TimeSpan.FromSeconds(120));
            }
            operationResultMessage = operationResultMessageCopy;

            return(order);
        }
        /// <summary>
        /// 
        /// </summary>
        public OrderInfo? SubmitOrder(AccountInfo accountInfo, Symbol symbol, OrderTypeEnum orderType, int volume,
            decimal? allowedSlippage, decimal? desiredPrice, decimal? takeProfit, decimal? stopLoss, out string operationResultMessage)
        {
            OrderInfo? order = null;
            operationResultMessage = string.Empty;
            string operationResultMessageCopy = string.Empty;

            GeneralHelper.DefaultDelegate delegateInstance = delegate()
            {
                try
                {

                    TradeDeskAut desk = _desk;
                    if (desk == null)
                    {
                        return;
                    }

                    bool isBuy = OrderInfo.TypeIsBuy(orderType);
                    double realValue = isBuy ? (double)GetInstrumentData(symbol.Name, "Ask") : (double)GetInstrumentData(symbol.Name, "Bid");

                    object orderId, psd;
                    object ocoStopOrderId = null, ocoProfitOrderId = null;

                    desk.CreateFixOrder(desk.FIX_OPENMARKET,
                                                    "",
                                                    realValue,
                                                    realValue,
                                                    (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                                    accountInfo.Id,
                                                    symbol.Name,
                                                    isBuy,
                                                    volume,
                                                    "",
                                                    out orderId,
                                                    out psd);

                    order = new OrderInfo(orderId.ToString(), symbol, orderType,
                                                    OrderStateEnum.Executed, volume, new decimal(realValue), null,
                                                    null, null, null, null, null, null, null, null, null, "ok", "1");

                    //check bid value...
                    if (stopLoss.HasValue)
                    {
                        double dValue = Decimal.ToDouble(stopLoss.Value);

                        desk.CreateFixOrder(desk.FIX_ENTRYSTOP,
                                                        "",
                                                        dValue,
                                                        dValue,
                                                        (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                                        accountInfo.Id,
                                                        symbol.Name,
                                                        !isBuy,
                                                        volume,
                                                        "",
                                                        out ocoStopOrderId,
                                                        out psd);
                    }

                    if (takeProfit.HasValue)
                    {
                        double dValue = Decimal.ToDouble(takeProfit.Value);

                        desk.CreateFixOrder(desk.FIX_ENTRYLIMIT,
                                                        "",
                                                        dValue,
                                                        dValue,
                                                        (string)GetInstrumentData(symbol.Name, "QuoteID"),
                                                        accountInfo.Id,
                                                        symbol.Name,
                                                        !isBuy,
                                                        volume,
                                                        "",
                                                        out ocoProfitOrderId,
                                                        out psd);
                    }

                    //Create OCO.
                    if (stopLoss.HasValue && takeProfit.HasValue)
                    {
                        bool creationOk = true;
                        FXCore.OrdersIDEnumAut group = new FXCore.OrdersIDEnumAut();
                        group.Add((string)ocoProfitOrderId);
                        group.Add((string)ocoStopOrderId);
                        object _result = null;
                        object ocoid = null;
                        desk.CreateOCO(group, out _result, out ocoid);

                        FXCore.OrdersBatchResultEnumAut result = (FXCore.OrdersBatchResultEnumAut)_result;
                        for (int i = 1; i <= result.Count; i++)
                        {
                            FXCore.OrderBatchResultAut res = (FXCore.OrderBatchResultAut)result.Item(i);
                            creationOk = creationOk && res.Success;

                            if (!creationOk)
                            {
                                //Ups throw an exception!!!  But what about the current order.
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    operationResultMessageCopy = GeneralHelper.GetExceptionMessage(ex);
                    SystemMonitor.OperationError(operationResultMessageCopy);
                }
            };

            BackgroundMessageLoopOperator messageOperator = _messageLoopOperator;
            if (messageOperator != null)
            {
                messageOperator.Invoke(delegateInstance, TimeSpan.FromSeconds(120));
            }
            operationResultMessage = operationResultMessageCopy;

            return order;
        }