画折线
1: private void DrawLines(Graphics grp, List<Point> pointList)
2: {
3: Point one, two;
4: for (int i = 0; i < pointList.Count-1; i++)
5: {
6: one = pointList[i];
7: two = pointList[i + 1];
8: grp.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
9: grp.DrawLine(new Pen(Color.Red, 2), one,two);
10: }
11: grp.Dispose();
12: }
画曲线
1: private void DrawCurves(Graphics grp, List<Point> pointList)
2: {
3: Point[] temps = new Point[pointList.Count];
4: pointList.CopyTo(temps);
5: grp.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
6: grp.DrawCurve(new Pen(Color.Red, 2), temps);
7: grp.Dispose();
8: }