✅ Avalonia Polyline Method Help

public void buildPanel(Canvas NewmarketPanel) // Get Live Session State of Panel and apply to View
        {

            Polyline X251 = drawToPanel(new List<Avalonia.Point> { new Avalonia.Point(-575, 100), new Avalonia.Point(-560, 100) });
            NewmarketPanel.Children.Add(X251);

        }
public Polyline drawToPanel(List<Avalonia.Point> points)
        {
            Polyline newObject = new Polyline
            {
                Stroke = Avalonia.Media.Brushes.Red,
                StrokeThickness = 2
            };
            var n = points.Count - 1;
            for (int i = 0; i < n; i++)
            {
                newObject.Points.Add(points[i]);
            }
            //Debug.WriteLine(newObject.ToString());
            return newObject;   
        }