MTExample3_4.ChartStyle.Point2D C# (CSharp) Method

        public PointF Point2D(CGPoint pt)
        {
            var aPoint = new PointF ();
            if (pt.X < XLimMin || pt.X > XLimMax || pt.Y < YLimMin || pt.Y > YLimMax) {
                pt.X = float.NaN;
                pt.Y = float.NaN;
            }

            aPoint.X = (float)(PlotArea.X + (pt.X - XLimMin) * PlotArea.Width / (XLimMax - XLimMin));
            aPoint.Y = (float)(PlotArea.Bottom - (pt.Y - YLimMin) * PlotArea.Height / (YLimMax - YLimMin));
            return aPoint;
        }

 public void AddLines(Graphics g, ChartStyle cs)
 {
     // Plot lines:
     foreach (DataSeries ds in DataSeriesList) {
         if (ds.LineStyle.IsVisible == true) {
             var aPen = new Pen (ds.LineStyle.LineColor, ds.LineStyle.Thickness);
             aPen.DashStyle = ds.LineStyle.Pattern;
             for (int i = 1; i < ds.PointList.Count; i++)
                 g.DrawLine(aPen, cs.Point2D ((CGPoint)ds.PointList[i - 1]), cs.Point2D ((CGPoint)ds.PointList[i]));
             aPen.Dispose();
         }
     }
 }