1.软件版本

请添加图片描述

2.代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;

namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        public int MAX = 100;//设置曲线Y轴最大值
        public int i = 1;//曲线X轴
        Random r = new Random();//生成Y轴随机数

        public Form1()
        {
            InitializeComponent();//控件初始化
            Chart_design();//图表初始化
        }

        private void button1_Click(object sender, EventArgs e)
        {
            random();
            
            chart1.ChartAreas[0].AxisX.ScaleView.Scroll(ScrollType.Last);//显示X轴最后一个数
        }
        public void random()
        {

            textBox1.Text += r.Next(0,100)+"\r\n";//数据显示在textbox
            this.textBox1.Select(this.textBox1.Text.Length, 0);
            this.textBox1.ScrollToCaret();//显示textbox最后一个数
            this.chart1.Series[0].Points.AddXY(i, r.Next(0, 100));//数据和曲线绑定
            i++;
        }
        public void Chart_design()
        {
            this.chart1.ChartAreas[0].AxisX.Minimum = 0;//设置曲线X轴最小值
            this.chart1.ChartAreas[0].AxisY.Maximum = MAX;//设置曲线Y轴最大值

            chart1.ChartAreas[0].AxisX.ScaleView.Size = 5;//展示数据个数
            
            chart1.Series[0].ToolTip = "#VALX,#VALY";//鼠标悬停显示XY轴值
        }
    }
}