C#话曲线图

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 WindowsFormsApp6
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        //自定义函数

        private Queue<double> dataQueue = new Queue<double>(100);

        private int curValue = 0;

        private int num = 1;//每次删除增加几个点


        /// <summary>
        /// 初始化图表
        /// </summary>
        private void InitChart()
        {
            //定义图表区域
            this.chart1.ChartAreas.Clear();
            ChartArea chartArea1 = new ChartArea("C1");
            this.chart1.ChartAreas.Add(chartArea1);
            //定义存储和显示点的容器
            this.chart1.Series.Clear();
            Series series1 = new Series("S1");
            series1.ChartArea = "C1";
            this.chart1.Series.Add(series1);
            //设置图表显示样式
            this.chart1.ChartAreas[0].AxisY.Minimum = 0;
            this.chart1.ChartAreas[0].AxisY.Maximum = 100;
            this.chart1.ChartAreas[0].AxisX.Interval = 1;
            this.chart1.ChartAreas[0].AxisX.MajorGrid.LineColor = System.Drawing.Color.Silver;
            this.chart1.ChartAreas[0].AxisY.MajorGrid.LineColor = System.Drawing.Color.Silver;
            //设置标题
            this.chart1.Titles.Clear();
            this.chart1.Titles.Add("S01");
            this.chart1.Titles[0].Text = "XXX显示";
            this.chart1.Titles[0].ForeColor = Color.RoyalBlue;
            this.chart1.Titles[0].Font = new System.Drawing.Font("Microsoft Sans Serif", 12F);
            //设置图表显示样式
            this.chart1.Series[0].Color = Color.Red;

            this.chart1.Series[0].ChartType = SeriesChartType.Line;
            this.chart1.Series[0].Points.Clear();
        }
        private void UpdateQueueValue()
        {

            if (dataQueue.Count > 100)
            {
                //先出列
                for (int i = 0; i < num; i++)
                {
                    dataQueue.Dequeue();
                }
            }
            
                Random r = new Random();
                for (int i = 0; i < num; i++)
                {
                    dataQueue.Enqueue(r.Next(0, 100));
                }
           
           
        }







        private void Form1_Load(object sender, EventArgs e)
        {
            InitChart();
            this.timer1.Start();

        }



   

        private void timer1_Tick_1(object sender, EventArgs e)
        {
            UpdateQueueValue();
            this.chart1.Series[0].Points.Clear();
            for (int i = 0; i < dataQueue.Count; i++)
            {
                this.chart1.Series[0].Points.AddXY((i + 1), dataQueue.ElementAt(i));
            }

        }
    }
}