IndicatorArea

using cAlgo.API;

namespace cAlgo
{
    // This sample indicator shows how to use IndicatorArea
    public partial class IndicatorAreaSample : Indicator
    {
        private TextBlock _indicatorAreaNumberTextBlock;

        protected override void Initialize()
        {
            var grid = new Grid(1, 2)
            {
                HorizontalAlignment = HorizontalAlignment.Center,
                VerticalAlignment = VerticalAlignment.Center,
                BackgroundColor = Color.Gold,
                Opacity = 0.7,
                Width = 200
            };

            grid.AddChild(new TextBlock { Text = "Indicator Area #", Margin = 5, FontWeight = FontWeight.ExtraBold, ForegroundColor = Color.Black }, 0, 0);

            _indicatorAreaNumberTextBlock = new TextBlock
            {
                Margin = 5,
                Text = Chart.IndicatorAreas.Count.ToString(),
                FontWeight = FontWeight.ExtraBold,
                ForegroundColor = Color.Black
            };

            grid.AddChild(_indicatorAreaNumberTextBlock, 0, 1);

            IndicatorArea.AddControl(grid);

            Chart.IndicatorAreaAdded += Chart_IndicatorAreaAdded;
            Chart.IndicatorAreaRemoved += Chart_IndicatorAreaRemoved;
        }

        private void Chart_IndicatorAreaRemoved(IndicatorAreaRemovedEventArgs obj)
        {
            _indicatorAreaNumberTextBlock.Text = Chart.IndicatorAreas.Count.ToString();
        }

        private void Chart_IndicatorAreaAdded(IndicatorAreaAddedEventArgs obj)
        {
            _indicatorAreaNumberTextBlock.Text = Chart.IndicatorAreas.Count.ToString();
        }

        public override void Calculate(int index)
        {
        }
    }
}

import clr
clr.AddReference("cAlgo.API")

from cAlgo.API import *

class Test():
    def get_text_block(self, text):
        textBlock = TextBlock()
        textBlock.Margin = Thickness(5)
        textBlock.Text = text
        textBlock.FontWeight = FontWeight.ExtraBold
        textBlock.ForegroundColor = Color.Black
        return textBlock

    def update_indicators_area_count(self):
        self.indicatorAreaNumberTextBlock.Text = str(api.Chart.IndicatorAreas.Count)

    def initialize(self):
        grid = Grid(1, 2)
        grid.HorizontalAlignment = HorizontalAlignment.Center
        grid.VerticalAlignment = VerticalAlignment.Center
        grid.BackgroundColor = Color.Gold
        grid.Opacity = 0.7
        grid.Width = 200

        grid.AddChild(self.get_text_block("Indicator Area #"), 0, 0)

        self.indicatorAreaNumberTextBlock = self.get_text_block(str(api.Chart.IndicatorAreas.Count))

        grid.AddChild(self.indicatorAreaNumberTextBlock, 0, 1)

        api.IndicatorArea.AddControl(grid)

        api.Chart.IndicatorAreaAdded += lambda _: self.update_indicators_area_count()
        api.Chart.IndicatorAreaRemoved += lambda _: self.update_indicators_area_count()

{
  "AccessRights": "None",
  "TimeZone": "UTC",
  "IsOverlay": false
}