winform chart画折线，波形图，多条数据

最新推荐文章于 2025-06-04 14:30:42 发布

翻译最新推荐文章于 2025-06-04 14:30:42 发布 · 8k 阅读

文章标签：

#winform #chart #折线图 #波形图

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本文介绍了一个使用C#实现的波形回放显示程序。该程序通过Form界面布局，包含RadioButton选择不同的显示方式，Button控制开始、暂停及初始化图表，以及使用Chart进行波形绘制。通过Timer定时更新数据并绘制波形。

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结果图

代码过程：

Form界面布局，控件：2个RadioButton, 3个button,1个chart，1个timer控件

代码区：Form1.cs

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 boxinghuifang
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private Queue<double> dataQueue = new Queue<double>(100);
        private Queue<double> dataQueue1 = new Queue<double>(100);

        private int curValue = 0;
        private int num = 5;//每次删除怎加几个点
        private void button1_Click(object sender, EventArgs e)
        {
            InitChart();
        }
        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);

            Series series2 = new Series("WW1");    /////////////////////////
            series2.ChartArea = "C1";                ///////////////////////////////
            this.chart1.Series.Add(series2);           /////////////////////////////////


            //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 = "波形回放显示";
            this.chart1.Titles[0].ForeColor = Color.RoyalBlue;
            this.chart1.Titles[0].Font = new System.Drawing.Font("Microsoft Sans Serif", 12F);


            //设置标题


            //  this.chart1.Titles[1].ForeColor = Color.RosyBrown;
            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[1].Color = Color.Green;

            if (rb1.Checked)
            {
                this.chart1.Titles[0].Text = string.Format("XXX {0} 显示", rb1.Text);
                this.chart1.Series[0].ChartType = SeriesChartType.Line;
                this.chart1.Series[1].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[1].ChartType = SeriesChartType.Spline;
            }
            this.chart1.Series[0].Points.Clear();
            this.chart1.Series[1].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 (dataQueue1.Count > 100)
            {
                //先出列
                for (int i = 0; i < num; i++)
                {
                    dataQueue1.Dequeue();
                }
            }
            if (rb1.Checked)
            {
                Random r = new Random();
                for (int i = 0; i < num;i++ )
                {
                    dataQueue.Enqueue(r.Next(0, 100));
                    int[] A = new int[100];
                    A[i] = i + r.Next(0, 100);
                    dataQueue1.Enqueue(A[i]);
                }
            }
            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);
                    dataQueue1.Enqueue((50 * Math.Sin(curValue * Math.PI / 180)) + 30);
                    curValue = curValue + 10;
                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.timer1.Start();
        }
        public static bool S = false;
        private void button3_Click(object sender, EventArgs e)
        {
            if(S==false)
            {
                button3.Text = "继续";
                this.timer1.Stop();
                S = true;
            }
            else
            {
                button3.Text = "暂停";
                this.timer1.Start();
                S = false;
            }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            UpdateQueueValue();
            this.chart1.Series[0].Points.Clear();
            this.chart1.Series[1].Points.Clear();
            for (int i = 0; i < dataQueue.Count; i++)
            {
                this.chart1.Series[0].Points.AddXY((i + 1), dataQueue.ElementAt(i));
            }
            for (int i = 0; i < dataQueue1.Count; i++)
            {
                this.chart1.Series[1].Points.AddXY((i + 1), dataQueue1.ElementAt(i));
            }
        }
    }
}

完整代码下载地址：

https://download.youkuaiyun.com/my/uploads