rectangle

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

namespace cAlgo
{
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class AWVLine : Indicator
    {

        ChartVerticalLine vl;


        [Parameter("Horizental Alignment", DefaultValue = HorizontalAlignment.Left, Group = "Button")]
        public HorizontalAlignment HAlignment { get; set; }
        [Parameter("Vertical Alignment", DefaultValue = VerticalAlignment.Top, Group = "Button")]
        public VerticalAlignment VAlignment { get; set; }
        [Parameter("Backgroun Color", DefaultValue = "", Group = "Button")]
        public string Colorb { get; set; }
        [Parameter("Foreground Color", DefaultValue = "Black", Group = "Button")]
        public string Colorf { get; set; }
        [Parameter("Opacity", DefaultValue = 0.7, MinValue = 0.1, MaxValue = 1, Group = "Button")]
        public double Opacity { get; set; }
        [Parameter("Line Color", DefaultValue = "Red", Group = "Line")]
        public string LineColor { get; set; }
        [Parameter("LineStyle", DefaultValue = LineStyle.LinesDots, Group = "Line")]
        public LineStyle ls { get; set; }
        [Parameter("Thickness", DefaultValue = 2, Group = "Line")]
        public int Thickness { get; set; }


        protected override void Initialize()
        {

            var toggleButton = new ToggleButton 
            {
                Text = "Vline",
                Margin = 10,
                VerticalAlignment = VAlignment,
                HorizontalAlignment = HAlignment,
                MaxWidth = 70,
                MaxHeight = 40,
                BackgroundColor = Colorb,
                Opacity = Opacity,
                ForegroundColor = Colorf,
                BorderThickness = 1,
                BorderColor = Colorf

            };
            toggleButton.Checked += ToggleButton_Checked;
            toggleButton.Unchecked += ToggleButton_Unchecked;

            Chart.AddControl(toggleButton);

            foreach (ChartObject obj in Chart.Objects)
            {
                if (obj.ObjectType == ChartObjectType.VerticalLine)
                {
                    ChartVerticalLine line = (ChartVerticalLine)obj;
                    if (line.Name == "scrollLine")
                    {
                        Bars bars = MarketData.GetBars(Chart.TimeFrame, SymbolName);
                        int ind = bars.OpenTimes.GetIndexByTime(line.Time);
                        Chart.ScrollXTo(ind - 20);
                    }
                }
            }

        }

        public override void Calculate(int index)
        {
        }


        protected void ToggleButton_Checked(ToggleButtonEventArgs obj)
        {
            vl = Chart.DrawVerticalLine("scrollLine", (Chart.LastVisibleBarIndex + Chart.FirstVisibleBarIndex) / 2, Color.FromName(LineColor), Thickness, ls);
            vl.IsInteractive = true;

        }

        private void ToggleButton_Unchecked(ToggleButtonEventArgs obj)
        {
            Chart.RemoveObject(vl.Name);
        }

    }
}