Закрытие позиций за 5 секунд до закрытия

_trader.MarketTimeChangedInterval = TimeSpan.FromSeconds(1);
_trader.MarketTimeChanged += time1 => this.GuiAsync(() =>
                    {
                        var time = _trader.GetMarketTime(Exchange.Rts);
                        if (time.Hour == 23 && time.Minute == 49 && time.Second == 55) Button_ClosePosition_Click(null, null);
                    });

decimal position = 0;
            decimal price;
            OrderDirections orderDirections;

            try { position = _trader.Positions.FirstOrDefault(p => p.Security == SelectedSecurity).CurrentValue; }
            catch { position = 0; }

            try {_trader.CancelOrders(security: SelectedSecurity);}
            catch{}

            if (position != 0)
            {            

                    if (position > 0)
                    {
                        orderDirections = OrderDirections.Sell;
                        price = SelectedSecurity.MinPrice;
                    }
                    else
                    {
                        orderDirections = OrderDirections.Buy;
                        price = SelectedSecurity.MaxPrice;
                    }

                    var order = new Order
                    {
                        Trader = _trader,
                        Portfolio = SelectedPortfolio,
                        Security = SelectedSecurity,
                        Direction = orderDirections,
                        Price = price,
                        Volume = Math.Abs(position)
                    };
                    _trader.RegisterOrder(order);
            }

try { position = _trader.Positions.FirstOrDefault(p => p.Security == SelectedSecurity).CurrentValue; }
            catch { position = 0; }

try {_trader.CancelOrders(security: SelectedSecurity);}
            catch{}

            if (position != 0)
            {            

                    if (position > 0)
                    {
                        orderDirections = OrderDirections.Sell;
                        price = SelectedSecurity.MinPrice;
                    }
                    else
                    {
                        orderDirections = OrderDirections.Buy;
                        price = SelectedSecurity.MaxPrice;
                    }

                    var order = new Order
                    {
                        Trader = _trader,
                        Portfolio = SelectedPortfolio,
                        Security = SelectedSecurity,
                        Direction = orderDirections,
                        Price = price,
                        Volume = Math.Abs(position)
                    };
                    _trader.RegisterOrder(order);
            }

var order = this.CreateOrder(direction, Security.GetMarketPrice(direction), Volume);
 
// регистрируем заявку (обычным способом - лимитированной заявкой)
RegisterOrder(order);

private void TimeSync()
        {
            try
            {                
                LoggingHelper.SyncMarketTime(50);
                this.GuiAsync(() =>
                    {
                        Message("Время синхронизировано");
                    });
            }
            catch { TimeSync(); }
        }

ThreadPool.QueueUserWorkItem(_ => TimeSync());