ChartObjectsUpdatedEventArgs

using cAlgo.API;

namespace cAlgo
{
    // This example shows how to use the Chart ChartObjectsUpdatedEventArgs
    // Draw an object, and then modify it
    public partial class ChartObjectsUpdatedEventArgsSample : Indicator
    {
        protected override void Initialize()
        {
            Chart.ObjectsUpdated += Chart_ObjectsUpdated;
        }

        private void Chart_ObjectsUpdated(ChartObjectsUpdatedEventArgs obj)
        {
            Print("Updated objects #: {0}", obj.ChartObjects.Count);
        }

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

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

from cAlgo.API import *

class Test():
    def initialize(self):
        api.Chart.ObjectsUpdated += self.on_chart_Objects_updated

    def on_chart_Objects_updated(self, args):
        print(f"Updated objects #: {args.ChartObjects.Count}")

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