ChartEllipse¶

public abstract interface ChartEllipse

 using cAlgo.API;
 namespace cAlgo
 {
     // This sample indicator draw an ellipse on chart
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class ChartEllipseSample : Indicator
     {
         protected override void Initialize()
         {
             Draw();
         }
         public override void Calculate(int index)
         {
             Draw();
         }
         private void Draw()
         {
             var y1 = Bars.HighPrices[Chart.FirstVisibleBarIndex] > Bars.HighPrices[Chart.LastVisibleBarIndex] ? Bars.HighPrices[Chart.FirstVisibleBarIndex] : Bars.HighPrices[Chart.LastVisibleBarIndex];
             var y2 = Bars.LowPrices[Chart.FirstVisibleBarIndex] < Bars.LowPrices[Chart.LastVisibleBarIndex] ? Bars.LowPrices[Chart.FirstVisibleBarIndex] : Bars.LowPrices[Chart.LastVisibleBarIndex];
             var ellipse = Chart.DrawEllipse("ellipse", Chart.FirstVisibleBarIndex, y1, Chart.LastVisibleBarIndex, y2, Color.FromArgb(50, Color.Red.R, Color.Red.G, Color.Red.B));
             ellipse.IsFilled = true;
         }
     }
 }