（C#）GDI+简单绘图画曲线

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace _10._2._3{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Paint(object sender, PaintEventArgs e)        {            Graphics g = e.Graphics;            Pen pen = new Pen(Color.Yellow, 5);            Point[] points =            {                new Point(10,20),                new Point(120,9),                new Point(9,178),                new Point(159,28),                new Point(80,288),                new Point(389,100)            };            e.Graphics.DrawCurve(pen, points,0);            e.Graphics.DrawCurve(pen, points,1);        }    }}