Polyline

 using cAlgo.API;
 namespace cAlgo
 {
     // This sample shows how to use Polyline to draw connected lines
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class PolylineSample : Indicator
     {
         protected override void Initialize()
         {
             Chart.AddControl(new Polyline
             {
                 HorizontalAlignment = HorizontalAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
                 StrokeColor = Color.Red,
                 StrokeThickness = 1,
                 Points = new[]
                 {
                     new Point(10, 10),
                     new Point(100,200),
                     new Point(10, 100),
                     new Point(10, 10),
                 }
             });
         }
         public override void Calculate(int index)
         {
         }
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 from cAlgo.API import *
 class Test():    
     def initialize(self):
         polyline = Polyline()
         polyline.HorizontalAlignment = HorizontalAlignment.Center
         polyline.VerticalAlignment = VerticalAlignment.Center
         polyline.StrokeColor = Color.Red
         polyline.StrokeThickness = 1
         polyline.Points = [Point(10, 10), Point(100,200), Point(10, 100), Point(10, 10)]
         api.Chart.AddControl(polyline)