折线图波形图绘制(动态绘制，实时变化)

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;using System.Windows.Forms.DataVisualization.Charting;namespace DemoSharp{ public partial class RealChart : Form { private Queue<double> dataQueue = new Queue<double>(100); private int curValue = 0; private int num = 5;//每次删除增加几个点 public RealChart() { InitializeComponent(); InitChart(); } /// <summary> /// 初始化事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnInit_Click(object sender, EventArgs e) { //InitChart(); } /// <summary> /// 开始事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnStart_Click(object sender, EventArgs e) { this.timer1.Start(); } /// <summary> /// 停止事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnStop_Click(object sender, EventArgs e) { this.timer1.Stop(); } /// <summary> /// 定时器事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void timer1_Tick(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)); } } /// <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 = 5; 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; //if (rb1.Checked) //{ // this.chart1.Titles[0].Text =string.Format( "XXX {0} 显示",rb1.Text); // this.chart1.Series[0].ChartType = SeriesChartType.Line; //} //if (rb2.Checked) { this.chart1.Titles[0].Text = string.Format("XXX {0} 显示", rb2.Text); this.chart1.Series[0].ChartType = SeriesChartType.Spline; //} this.chart1.Series[0].Points.Clear(); } //更新队列中的值 private void UpdateQueueValue() { if (dataQueue.Count > 100) { //先出列 for (int i = 0; i < num; i ) { dataQueue.Dequeue(); } } //if (rb1.Checked) //{ // Random r = new Random(); // for (int i = 0; i < num; i ) // { // dataQueue.Enqueue(r.Next(0, 100)); // } //} //if (rb2.Checked) { for (int i = 0; i < num; i ) { //对curValue只取[0,360]之间的值 curValue = curValue % 360; //对得到的正玄值，放大50倍，并上移50 dataQueue.Enqueue((50*Math.Sin(curValue*Math.PI / 180)) 50); curValue=curValue 10; } //} } }}