c#画笔Pen绘制曲线

来源：互联网发布：经济学的大数据编辑：程序博客网时间：2024/04/29 15:55
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace WindowsApplication2
{
    public partial class Form11 : Form
    {
        public Form11()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
           
            LinearGradientBrush brush = new LinearGradientBrush(this.ClientRectangle, Color.Empty, Color.Empty, 100);
            ColorBlend blend = new ColorBlend();
            blend.Colors = new Color[] { Color.Red, Color.Green, Color.Blue };
            blend.Positions = new float[] { 0, .5f, 1 };
            brush.InterpolationColors = blend;
            Pen pen5 = new Pen(brush);
            Graphics g5 = this.CreateGraphics();
            Point[] p = new Point[] { new Point(0, 0), new Point(100, 100), new Point(50, 100), new Point(200, 100) };
            g5.DrawCurve(pen5,p);
        }
    }
}