Trade Manager

using System;
using cAlgo.API;

namespace cAlgo
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class TradeManager : Robot
    {
        [Parameter("Comment", DefaultValue = "")]
        public string Comment { get; set; }

        [Parameter("Break Even Price Level", DefaultValue = 0)]
        public double BreakEvenPriceLevel { get; set; }

        [Parameter("New Stop Loss Price", DefaultValue = 0)]
        public double NewStopLossPrice { get; set; }

        private bool _trailingStopActivated = false;

        protected override void OnStart()
        {
            Positions.Opened += OnPositionOpened;
        }

        protected override void OnStop()
        {
            Positions.Opened -= OnPositionOpened;
        }

        private void OnPositionOpened(PositionOpenedEventArgs args)
        {
            var position = args.Position;

            if (position.Comment != Comment)
            {
                return;
            }

            if (position.TradeType == TradeType.Buy)
            {
                ModifyPosition(position, position.StopLoss, position.TakeProfit);
            }
            else if (position.TradeType == TradeType.Sell)
            {
                ModifyPosition(position, position.StopLoss, position.TakeProfit);
            }
        }

        protected override void OnTick()
        {
            foreach (var position in Positions)
            {
                if (position.Comment == Comment)
                {
                    if (position.TradeType == TradeType.Buy && Symbol.Bid > BreakEvenPriceLevel && position.StopLoss != NewStopLossPrice)
                    {
                        ModifyPosition(position, NewStopLossPrice, position.TakeProfit);
                    }
                    else if (position.TradeType == TradeType.Sell && Symbol.Ask < BreakEvenPriceLevel && position.StopLoss != NewStopLossPrice)
                    {
                        ModifyPosition(position, NewStopLossPrice, position.TakeProfit);
                    }
                }
            }

            foreach (var pendingOrder in PendingOrders)
            {
                if (pendingOrder.Comment == Comment && pendingOrder.StopLoss.HasValue && ((pendingOrder.TradeType == TradeType.Buy && Symbol.Bid < pendingOrder.StopLoss.Value) || (pendingOrder.TradeType == TradeType.Sell && Symbol.Ask > pendingOrder.StopLoss.Value)))
                {
                    CancelPendingOrder(pendingOrder);
                }
            }
        }
    }
}