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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 折线图
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
protected override void OnPaint(PaintEventArgs e)
{
var y = new Random();
int w = 20;
var d = new Point[]
{
new Point(1 * w, y.Next(0, Height / 2)),
new Point(2 * w, y.Next(0, Height / 2)),
new Point(3 * w, y.Next(0, Height / 2)),
new Point(4 * w, y.Next(0, Height / 2)),
new Point(5 * w, y.Next(0, Height / 2)),
new Point(6 * w, y.Next(0, Height / 2)),
new Point(7 * w, y.Next(0, Height / 2)),
new Point(8 * w, y.Next(0, Height / 2)),
new Point(9 * w, y.Next(0, Height / 2)),
};
var g = e.Graphics;
g.DrawLines(Pens.Red, d);
}
}
}