ProgressBar

 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None)]
 public class TestExample : Robot
 {
     private ProgressBar _progressBar;
     protected override void OnStart()
     {
         _progressBar = new ProgressBar 
         {
             HorizontalAlignment = HorizontalAlignment.Center,
             VerticalAlignment = VerticalAlignment.Center,
             Width = 200,
             Height = 100,
             Minimum = 0,
             Maximum = 100
         };
         Chart.AddControl(_progressBar);
         Timer.Start(1);
     }
     protected override void OnTimer()
     {
         _progressBar.Value += 5;
     }
 }

 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None)]
 public class TestExample : Robot
 {
     protected override void OnStart()
     {
         var progressBar = new ProgressBar 
         {
             HorizontalAlignment = HorizontalAlignment.Center,
             VerticalAlignment = VerticalAlignment.Center,
             Width = 200,
             Height = 30,
             IsIndeterminate = true
         };
         Chart.AddControl(progressBar);
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class Test():
     def on_start(self):
         self.progressBar = ProgressBar()
         self.progressBar.HorizontalAlignment = HorizontalAlignment.Center
         self.progressBar.VerticalAlignment = VerticalAlignment.Center
         self.progressBar.Width = 200
         self.progressBar.Height = 100
         self.progressBar.Minimum = 0
         self.progressBar.Maximum = 100
         api.Chart.AddControl(self.progressBar)
         api.Timer.Start(1)
     def on_timer(self):
         self.progressBar.Value += 5

 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class Test():
     def on_start(self):
         progressBar = ProgressBar()
         progressBar.HorizontalAlignment = HorizontalAlignment.Center
         progressBar.VerticalAlignment = VerticalAlignment.Center
         progressBar.Width = 200
         progressBar.Height = 30
         progressBar.IsIndeterminate = True
         api.Chart.AddControl(progressBar)