This is the same code but with a memory (LocalStorage)

using System;
using cAlgo.API;
using cAlgo.API.Collections;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo.Plugins
{
    [Plugin(AccessRights = AccessRights.None)]
    public class BreakEvenTrailingStop : Plugin
    {
        ViewModel viewModel = new ViewModel();
        CheckBox breakEvenOn;
        CheckBox trailingStopOn;
        TextBox breakEvenTextBox;
        TextBox breakEvenTextBox2;
        TextBox trailingStopTextBox;
        TextBox trailingStopTextBox2;

        public bool _breakEvenOn
        {
            get => Convert.ToBoolean(LocalStorage.GetString("breakEvenOn", LocalStorageScope.Type) ?? bool.FalseString);
            set
            {
                LocalStorage.SetString("breakEvenOn", value ? bool.TrueString : bool.FalseString, LocalStorageScope.Type);
                LocalStorage.Flush(LocalStorageScope.Type);
            }
        }

        protected override void OnStart()
        {
            AddControls();
            
            breakEvenOn.IsChecked = Convert.ToBoolean(LocalStorage.GetString("breakEvenOn", LocalStorageScope.Type) ?? bool.FalseString);
            viewModel.BreakEvenTrigger = double.Parse(LocalStorage.GetString("BreakEvenTrigger", LocalStorageScope.Type) ?? "10");
            viewModel.BreakEvenValue = double.Parse(LocalStorage.GetString("BreakEvenValue", LocalStorageScope.Type) ?? "0");
            //BreakEvenActivation();
            trailingStopOn.IsChecked = Convert.ToBoolean(LocalStorage.GetString("trailingStopOn", LocalStorageScope.Type) ?? bool.FalseString);
            viewModel.TrailingStopTrigger = double.Parse(LocalStorage.GetString("TrailingStopTrigger", LocalStorageScope.Type) ?? "30");
            viewModel.TrailingStopValue = double.Parse(LocalStorage.GetString("TrailingStopValue", LocalStorageScope.Type) ?? "50");

            viewModel_Changed();
            viewModel.Changed += viewModel_Changed;

            //TrailingStopActivation();
            Timer.Start(TimeSpan.FromSeconds(1));
        }

        private void CheckBox_breakEvenOn_checked(CheckBoxEventArgs obj)
        {
            LocalStorage.SetString("breakEvenOn", obj.CheckBox.IsChecked.Value ? bool.TrueString : bool.FalseString, LocalStorageScope.Type);
            LocalStorage.Flush(LocalStorageScope.Type);
        }
        private void CheckBox_trailingStopOn_checked(CheckBoxEventArgs obj)
        {
            LocalStorage.SetString("trailingStopOn", obj.CheckBox.IsChecked.Value ? bool.TrueString : bool.FalseString, LocalStorageScope.Type);
            LocalStorage.Flush(LocalStorageScope.Type);
        }


        private void AddControls()
        {
            var block = Asp.SymbolTab.AddBlock("Break-Even and Trailing Stop Plugin");
            block.IsExpanded = true;
            block.IsDetachable = false;
            block.Index = 1;
            block.Height = 400;

            var rootStackPanel = new StackPanel { Margin = new Thickness(10) };

            rootStackPanel.AddChild(new TextBlock { Text = "Activate Break-Even:", Margin = new Thickness(0, 10, 0, 0) });

            var grid = new Grid { Margin = new Thickness(10) };
            grid.AddColumn().SetWidthInStars(1);
            grid.AddColumn().SetWidthToAuto();
            grid.AddColumn().SetWidthToAuto();
            grid.AddColumn().SetWidthToAuto();

            breakEvenOn = new CheckBox();
            breakEvenOn.Checked += CheckBox_breakEvenOn_checked;
            breakEvenOn.Unchecked += CheckBox_breakEvenOn_checked;

            grid.AddChild(breakEvenOn, 0, 0);
            rootStackPanel.AddChild(grid);

            rootStackPanel.AddChild(new TextBlock { Text = "Break-Even Trigger in Pips:", Margin = new Thickness(0, 10, 0, 0) });

            var grid1 = new Grid { Margin = new Thickness(10) };
            grid1.AddColumn().SetWidthInStars(1);
            grid1.AddColumn().SetWidthToAuto();
            grid1.AddColumn().SetWidthToAuto();
            grid1.AddColumn().SetWidthToAuto();

            breakEvenTextBox = new TextBox { IsReadOnly = false, TextAlignment = TextAlignment.Right };
            var breakEvenTextBoxStyle = new Style();
            breakEvenTextBoxStyle.Set(ControlProperty.BackgroundColor, Color.FromArgb(26, 26, 26), ControlState.DarkTheme);
            breakEvenTextBoxStyle.Set(ControlProperty.ForegroundColor, Color.FromArgb(255, 255, 255), ControlState.DarkTheme);
            breakEvenTextBoxStyle.Set(ControlProperty.BackgroundColor, Color.FromArgb(231, 235, 237), ControlState.LightTheme);
            breakEvenTextBoxStyle.Set(ControlProperty.ForegroundColor, Color.FromArgb(55, 56, 57), ControlState.LightTheme);
            breakEvenTextBox.Style = breakEvenTextBoxStyle;
            grid1.AddChild(breakEvenTextBox, 0, 0);
            var decreaseTriggerButton = new Button { Text = "-", Margin = new Thickness(5, 0, 5, 0) };
            decreaseTriggerButton.Click += decreaseTriggerButton_Click;
            grid1.AddChild(decreaseTriggerButton, 0, 1);
            var increaseTriggerButton = new Button { Text = "+" };
            increaseTriggerButton.Click += increaseTriggerButton_Click;
            grid1.AddChild(increaseTriggerButton, 0, 2);
            rootStackPanel.AddChild(grid1);

            rootStackPanel.AddChild(new TextBlock { Text = "Break-Even Value in Pips:", Margin = new Thickness(0, 10, 0, 0) });

            var grid2 = new Grid { Margin = new Thickness(10) };
            grid2.AddColumn().SetWidthInStars(1);
            grid2.AddColumn().SetWidthToAuto();
            grid2.AddColumn().SetWidthToAuto();
            grid2.AddColumn().SetWidthToAuto();

            breakEvenTextBox2 = new TextBox { IsReadOnly = false, TextAlignment = TextAlignment.Right };
            breakEvenTextBox2.Style = breakEvenTextBoxStyle;
            grid2.AddChild(breakEvenTextBox2, 0, 0);
            var decreaseValueButton = new Button { Text = "-", Margin = new Thickness(5, 0, 5, 0) };
            decreaseValueButton.Click += decreaseValueButton_Click;
            grid2.AddChild(decreaseValueButton, 0, 1);
            var increaseValueButton = new Button { Text = "+" };
            increaseValueButton.Click += increaseValueButton_Click;
            grid2.AddChild(increaseValueButton, 0, 2);
            rootStackPanel.AddChild(grid2);

            rootStackPanel.AddChild(new TextBlock { Text = "Activate Trailing Stop:", Margin = new Thickness(0, 10, 0, 0) });

            var grid3 = new Grid { Margin = new Thickness(10) };
            grid3.AddColumn().SetWidthInStars(1);
            grid3.AddColumn().SetWidthToAuto();
            grid3.AddColumn().SetWidthToAuto();
            grid3.AddColumn().SetWidthToAuto();

            trailingStopOn = new CheckBox();
            trailingStopOn.Checked += CheckBox_trailingStopOn_checked;
            trailingStopOn.Unchecked += CheckBox_trailingStopOn_checked;
            grid3.AddChild(trailingStopOn, 0, 0);
            rootStackPanel.AddChild(grid3);

            rootStackPanel.AddChild(new TextBlock { Text = "Trailing Stop Trigger in Pips:", Margin = new Thickness(0, 10, 0, 0) });

            var grid4 = new Grid { Margin = new Thickness(10) };
            grid4.AddColumn().SetWidthInStars(1);
            grid4.AddColumn().SetWidthToAuto();
            grid4.AddColumn().SetWidthToAuto();
            grid4.AddColumn().SetWidthToAuto();

            trailingStopTextBox = new TextBox { IsReadOnly = false, TextAlignment = TextAlignment.Right };
            var trailingStopTextBoxStyle = new Style();
            trailingStopTextBoxStyle.Set(ControlProperty.BackgroundColor, Color.FromArgb(26, 26, 26), ControlState.DarkTheme);
            trailingStopTextBoxStyle.Set(ControlProperty.ForegroundColor, Color.FromArgb(255, 255, 255), ControlState.DarkTheme);
            trailingStopTextBoxStyle.Set(ControlProperty.BackgroundColor, Color.FromArgb(231, 235, 237), ControlState.LightTheme);
            trailingStopTextBoxStyle.Set(ControlProperty.ForegroundColor, Color.FromArgb(55, 56, 57), ControlState.LightTheme);
            trailingStopTextBox.Style = trailingStopTextBoxStyle;
            grid4.AddChild(trailingStopTextBox, 0, 0);
            var decreaseTriggerButton2 = new Button { Text = "-", Margin = new Thickness(5, 0, 5, 0) };
            decreaseTriggerButton2.Click += decreaseTriggerButton_Click2;
            grid4.AddChild(decreaseTriggerButton2, 0, 1);
            var increaseTriggerButton2 = new Button { Text = "+" };
            increaseTriggerButton2.Click += increaseTriggerButton_Click2;
            grid4.AddChild(increaseTriggerButton2, 0, 2);
            rootStackPanel.AddChild(grid4);

            rootStackPanel.AddChild(new TextBlock { Text = "Trailing Distance in Pips:", Margin = new Thickness(0, 10, 0, 0) });

            var grid5 = new Grid { Margin = new Thickness(10) };
            grid5.AddColumn().SetWidthInStars(1);
            grid5.AddColumn().SetWidthToAuto();
            grid5.AddColumn().SetWidthToAuto();
            grid5.AddColumn().SetWidthToAuto();

            trailingStopTextBox2 = new TextBox { IsReadOnly = false, TextAlignment = TextAlignment.Right };
            trailingStopTextBox2.Style = trailingStopTextBoxStyle;
            grid5.AddChild(trailingStopTextBox2, 0, 0);
            var decreaseValueButton2 = new Button { Text = "-", Margin = new Thickness(5, 0, 5, 0) };
            decreaseValueButton2.Click += decreaseValueButton_Click2;
            grid5.AddChild(decreaseValueButton2, 0, 1);
            var increaseValueButton2 = new Button { Text = "+" };
            increaseValueButton2.Click += increaseValueButton_Click2;
            grid5.AddChild(increaseValueButton2, 0, 2);
            rootStackPanel.AddChild(grid5);

            block.Child = rootStackPanel;
        }

        protected override void OnTimer()
        {
            if (breakEvenOn.IsChecked == true) BreakEvenActivation();
            if (trailingStopOn.IsChecked == true) TrailingStopActivation();
        }

        private void viewModel_Changed()
        {
            breakEvenTextBox.Text = viewModel.BreakEvenTrigger.ToString();
            breakEvenTextBox2.Text = viewModel.BreakEvenValue.ToString();
            trailingStopTextBox.Text = viewModel.TrailingStopTrigger.ToString();
            trailingStopTextBox2.Text = viewModel.TrailingStopValue.ToString();

            LocalStorage.SetString("BreakEvenTrigger", viewModel.BreakEvenTrigger.ToString(), LocalStorageScope.Type);
            LocalStorage.SetString("BreakEvenValue", viewModel.BreakEvenValue.ToString(), LocalStorageScope.Type);
            LocalStorage.SetString("TrailingStopTrigger", viewModel.TrailingStopTrigger.ToString(), LocalStorageScope.Type);
            LocalStorage.SetString("TrailingStopValue", viewModel.TrailingStopValue.ToString(), LocalStorageScope.Type);

            LocalStorage.Flush(LocalStorageScope.Type);
        }

        private void increaseTriggerButton_Click(ButtonClickEventArgs obj)
        {
            viewModel.BreakEvenTrigger += 1;
        }

        private void decreaseTriggerButton_Click(ButtonClickEventArgs obj)
        {
            if (viewModel.BreakEvenTrigger > 0) viewModel.BreakEvenTrigger -= 1;
            else viewModel.BreakEvenTrigger = 0;
        }

        private void increaseValueButton_Click(ButtonClickEventArgs obj)
        {
            viewModel.BreakEvenValue += 1;
        }

        private void decreaseValueButton_Click(ButtonClickEventArgs obj)
        {
            if (viewModel.BreakEvenValue > 0) viewModel.BreakEvenValue -= 1;
            else viewModel.BreakEvenValue = 0;
        }

        private void increaseTriggerButton_Click2(ButtonClickEventArgs obj)
        {
            viewModel.TrailingStopTrigger += 1;
        }

        private void decreaseTriggerButton_Click2(ButtonClickEventArgs obj)
        {
            if (viewModel.TrailingStopTrigger > 0) viewModel.TrailingStopTrigger -= 1;
            else viewModel.TrailingStopTrigger = 0;
        }

        private void increaseValueButton_Click2(ButtonClickEventArgs obj)
        {
            viewModel.TrailingStopValue += 1;
        }

        private void decreaseValueButton_Click2(ButtonClickEventArgs obj)
        {
            if (viewModel.TrailingStopValue > 0) viewModel.TrailingStopValue -= 1;
            else viewModel.TrailingStopValue = 0;
        }

        private void BreakEvenActivation()
        {
            foreach (var pos in Positions)
            {
                if (pos.TradeType == TradeType.Buy && pos.Symbol.Bid >= pos.EntryPrice + viewModel.BreakEvenTrigger * pos.Symbol.PipSize)
                {
                    double newSL = pos.EntryPrice + viewModel.BreakEvenValue * pos.Symbol.PipSize;
                    if (newSL > pos.StopLoss || pos.StopLoss == null) ModifyPosition(pos, newSL, pos.TakeProfit);
                }
                else if (pos.TradeType == TradeType.Sell && pos.Symbol.Ask <= pos.EntryPrice - viewModel.BreakEvenTrigger * pos.Symbol.PipSize)
                {
                    double newSL = pos.EntryPrice - viewModel.BreakEvenValue * pos.Symbol.PipSize;
                    if (newSL < pos.StopLoss || pos.StopLoss == null) ModifyPosition(pos, newSL, pos.TakeProfit);
                }
            }
        }

        private void TrailingStopActivation()
        {
            foreach (var pos in Positions)
            {
                if (pos.TradeType == TradeType.Buy && pos.Symbol.Bid >= pos.EntryPrice + (viewModel.TrailingStopTrigger * pos.Symbol.PipSize))
                {
                    double newSL = pos.Symbol.Bid - (viewModel.TrailingStopValue * pos.Symbol.PipSize);
                    if (pos.StopLoss == null || newSL > pos.StopLoss) ModifyPosition(pos, newSL, pos.TakeProfit);
                }
                else if (pos.TradeType == TradeType.Sell && pos.Symbol.Ask <= pos.EntryPrice - (viewModel.TrailingStopTrigger * pos.Symbol.PipSize))
                {
                    double newSL = pos.Symbol.Ask + (viewModel.TrailingStopValue * pos.Symbol.PipSize);
                    if (pos.StopLoss == null || newSL < pos.StopLoss) ModifyPosition(pos, newSL, pos.TakeProfit);
                }
            }
        }

        protected override void OnStop()
        {
            //
        }
    }
}
class ViewModel
{
    private double _breakEvenTrigger;
    public double BreakEvenTrigger
    {
        get { return _breakEvenTrigger; }
        set
        {
            if (value == _breakEvenTrigger)
                return;
            _breakEvenTrigger = value;

            Changed?.Invoke();
        }
    }

    private double _breakEvenValue;
    public double BreakEvenValue
    {
        get { return _breakEvenValue; }
        set
        {
            if (value == _breakEvenValue)
                return;
            _breakEvenValue = value;

            Changed?.Invoke();
        }
    }
    private double _trailingStopTrigger;
    public double TrailingStopTrigger
    {
        get { return _trailingStopTrigger; }
        set
        {
            if (value == _trailingStopTrigger)
                return;
            _trailingStopTrigger = value;

            Changed?.Invoke();
        }
    }

    private double _trailingStopValue;
    public double TrailingStopValue
    {
        get { return _trailingStopValue; }
        set
        {
            if (value == _trailingStopValue)
                return;
            _trailingStopValue = value;

            Changed?.Invoke();
        }
    }

    public event Action Changed;
}