DrawBezier

DrawBezier(Pen, PointF, PointF, PointF, PointF)

public void DrawBezier(Pen pen, PointF pt1, PointF pt2, PointF pt3, PointF pt4)

也可以看看


DrawBezier(Pen, float, float, float, float, float, float, float, float)

public void DrawBezier(Pen pen, float x1, float y1, float x2, float y2, float x3, float y3, 
    float x4, float y4)

也可以看看