Line line2 = new Line();
            line2.Stroke = Brushes.LightSteelBlue;

            line2.X1 = 1;
            line2.X2 = 50;
            line2.Y1 = 1;
            line2.Y2 = 50;

            line2.StrokeThickness = 200;
            ActualContext.Children.Add(line2);