C#入門基礎，實現chart控制元件動態新增資料

最終程式執行效果如圖

點選開始，將隨機生成的兩組資料新增進折線圖裡，chart1和chart2 只顯示10個數，超過10個數將第一個傳進來的數刪掉

chart3是將chart1和chart2 的所有資料顯示，兩條不同的Y軸。

勾選框可以選擇chart只顯示其中一條線

關鍵點。使用timer定時器生成隨機數，呼叫方法類

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.Drawing.Drawing2D;
using System.Windows.Forms.DataVisualization.Charting;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {


        private double dm = 0;
        private double vm = 0;         //速度

        private double ss, st = 0;        //時間間隔
        private List<double> VM = new List<double>(100);
        private List<double> DM = new List<double>(100);
        private Queue<double> Vm = new Queue<double>(100);
        private Queue<double> Dm = new Queue<double>(100);
        private bool Ready = false;
        private bool contrl = false;

        public Form1()
        {
            InitializeComponent();
        }
        //--------距離監測圖表-----------//
        //入口引數:  無                      //
        //                                   //
        private void DistanceData_Line()
        {
            this.chart1.ChartAreas.Clear();
            ChartArea chartarea = new ChartArea("距離監測");
            this.chart1.ChartAreas.Add(chartarea);

            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;
            chartarea.AxisX.ScrollBar.Enabled = false;
            //chartarea.AxisY.Minimum = 0;
            //chartarea.AxisY.Maximum = 10000;
            chartarea.AxisX.Interval = 5;
            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;

            //chartarea.AxisX.ScrollBar.Enabled = false;
            //////指當前顯示的是第幾個           
            //chartarea.AxisX.ScaleView.Size = 10;
            //表頭
            this.chart1.Titles.Clear();
            this.chart1.Titles.Add("距離監測");
            this.chart1.Titles[0].Text = "距離監測";
            this.chart1.Titles[0].ForeColor = Color.Red;
            this.chart1.Titles[0].Font = new System.Drawing.Font("Microsoft Sans serif", 12f);

            //定義儲存和顯示點的容器
            this.chart1.Series.Clear();
            Series series = new Series("距離");
            series.ChartType = SeriesChartType.Spline;
            series.ChartArea = "距離監測";
            series.Color = Color.Yellow;
            series.MarkerBorderWidth = 2;
            series.MarkerSize = 4;
            series.MarkerStyle = MarkerStyle.Diamond;
            series.ToolTip = "距離" + "#VAL \r\n #AXISLABEL";
            chart1.Series.Add(series);

        }


        //--------速度監測圖表-----------//
        //入口引數:   無                       //      
        private void VelocityData_Line()
        {

            //定義表區域
            this.chart2.ChartAreas.Clear();
            ChartArea chartarea = new ChartArea("速度監測");
            this.chart2.ChartAreas.Add(chartarea);
            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;
            chartarea.AxisX.ScrollBar.Enabled = false;
            //chartarea.AxisY.Minimum = 0;
            //chartarea.AxisY.Maximum = 100;
            chartarea.AxisX.Interval = 5;
            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;
            //chartarea.AxisX.ScrollBar.Enabled = false;
            ////指當前顯示的是第幾個           
            //chartarea.AxisX.ScaleView.Size = 10;
            //表頭
            this.chart2.Titles.Clear();
            this.chart2.Titles.Add("速度監測");
            this.chart2.Titles[0].Text = "速度監測";
            this.chart2.Titles[0].ForeColor = Color.Red;
            this.chart2.Titles[0].Font = new System.Drawing.Font("Microsoft Sans serif", 12f);
            //定義儲存和顯示點的容器
           
            this.chart2.Series.Clear();
            Series series = new Series("速度");
            chart2.Series.Add(series);
            series.ChartArea = "速度監測";
            series.ChartType = SeriesChartType.Spline;
            series.MarkerBorderWidth = 2;
            series.MarkerSize = 4;
            series.MarkerStyle = MarkerStyle.Diamond;
            series.ToolTip = "速度" + "#VAL \r\n #AXISLABEL";

        }
        //--------飛行資料監測圖表-----------//
        //入口引數:   無                       //      
        private void FlyData_Line()
        {

            //定義表區域
            this.chart3.ChartAreas.Clear();
            ChartArea chartarea = new ChartArea("資料監測");
            this.chart3.ChartAreas.Add(chartarea);
            chartarea.AxisX.Maximum = VM.Count;
            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;
            chartarea.AxisX.ScrollBar.Enabled = false;
            //chartarea.AxisY.Minimum = 0;
            //chartarea.AxisY.Maximum = 100;
            chartarea.AxisX.Interval = 5;
            chartarea.AxisX.MajorGrid.LineColor = System.Drawing.Color.Transparent;
            chartarea.AxisY.MajorGrid.LineColor = System.Drawing.Color.Black;
            //chartarea.AxisX.ScrollBar.Enabled = false;
            ////指當前顯示的是第幾個           
            //chartarea.AxisX.ScaleView.Size = 10;
            //表頭
            this.chart3.Titles.Clear();
            this.chart3.Titles.Add("資料監測");
            this.chart3.Titles[0].Text = "資料監測";
            this.chart3.Titles[0].ForeColor = Color.Red;
            this.chart3.Titles[0].Font = new System.Drawing.Font("Microsoft Sans serif", 12f);
            //定義儲存和顯示點的容器
            this.chart3.Series.Clear();
            for (int i = 0; i < 2; i++)
            {
                Series series = new Series(DATATYPE[i]);
                chart3.Series.Add(series);
                series.ChartArea = "資料監測";
                series.ChartType = SeriesChartType.Spline;
                series.MarkerBorderWidth = 2;
                series.MarkerSize = 4;
                series.MarkerStyle = MarkerStyle.Diamond;
                series.ToolTip = DATATYPE[i] + "#VAL \r\n #AXISLABEL";
            }
            this.chart3.Series[0].YAxisType = AxisType.Primary;
            this.chart3.Series[1].YAxisType = AxisType.Secondary;
        }

        private static string[] DATATYPE = { "速度", "距離" };
        //--------飛行軌跡資料匯入圖表-------------------------           //
        //入口引數:                                                       //
        //距離:  dM                                                       //
        //速度:  vM                                                       //
        private void ChartData()
        {

            if (Vm.Count > 10)//當資料大於十，刪除第一位數
            {
                Vm.Dequeue();

                Dm.Dequeue();

            }
            if (Ready == true)
            {

                VM.Add(vm);
                DM.Add(dm);
                Vm.Enqueue(vm);
                Dm.Enqueue(dm);
               

            }
            for (int i = 0; i < Vm.Count; i++)
            {
                this.chart1.Series[0].Points.AddY(Vm.ElementAt(i));
                this.chart2.Series[0].Points.AddY(Dm.ElementAt(i));
            }
            for (int i = 0; i < VM.Count; i++)
            {

                //指示速度是否顯示
                if (checkedListBox1.GetItemChecked(0) == true)
                {
                    this.chart3.Series[0].Points.AddY(VM.ElementAt(i));
                }
                if (checkedListBox1.GetItemChecked(0) == false)
                {
                    this.chart3.Series[0].Points.Clear();
                }
                //指示距離是否顯示
                if (checkedListBox1.GetItemChecked(1) == true)
                {
                    this.chart3.Series[1].Points.AddY(DM.ElementAt(i));
                }
                if (checkedListBox1.GetItemChecked(1) == false)
                {
                    this.chart3.Series[1].Points.Clear();
                }

            }

        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (contrl == false)
            {
                Ready = true;
                button1.Text = "停止";
                contrl = true;
               
            }
            else 
            {
                Ready = false;
                button1.Text = "開始";
                contrl = true;
                
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            for (int i = 0; i < checkedListBox1.Items.Count; i++)
            {
                checkedListBox1.SetItemChecked(i, true);                
            }
            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Random rd = new Random();
            vm = rd.Next(0, 100);
            dm = rd.Next(0, 500);
            
            FlyData_Line();
            VelocityData_Line();
            DistanceData_Line();
            ChartData();
        }
    }
}