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;

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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-05-21 09:46  DemoRealChart\
     目录           0  2019-05-20 14:19  DemoRealChart\.vs\
     目录           0  2019-05-20 14:19  DemoRealChart\.vs\DemoRealChart\
     目录           0  2019-05-20 14:22  DemoRealChart\.vs\DemoRealChart\v14\
     文件        6144  2019-05-21 09:55  DemoRealChart\.vs\DemoRealChart\v14\.suo
     目录           0  2017-01-14 00:04  DemoRealChart\bin\
     目录           0  2019-05-20 14:20  DemoRealChart\bin\Debug\
     文件       12288  2019-05-21 09:46  DemoRealChart\bin\Debug\DemoRealChart.exe
     文件       26112  2019-05-21 09:46  DemoRealChart\bin\Debug\DemoRealChart.pdb
     文件       22696  2019-05-21 09:50  DemoRealChart\bin\Debug\DemoRealChart.vshost.exe
     文件         490  2018-09-15 15:29  DemoRealChart\bin\Debug\DemoRealChart.vshost.exe.manifest
     文件        3960  2017-01-14 00:05  DemoRealChart\DemoRealChart.csproj
     文件         363  2017-01-14 00:04  DemoRealChart\Form1.cs
     文件        1163  2017-01-14 00:04  DemoRealChart\Form1.Designer.cs
     目录           0  2017-01-14 00:04  DemoRealChart\obj\
     目录           0  2017-01-14 00:04  DemoRealChart\obj\x86\
     目录           0  2019-05-20 14:21  DemoRealChart\obj\x86\Debug\
     文件        1508  2019-05-21 09:50  DemoRealChart\obj\x86\Debug\DemoRealChart.csproj.FileListAbsolute.txt
     文件         980  2019-05-20 14:21  DemoRealChart\obj\x86\Debug\DemoRealChart.csproj.GenerateResource.Cache
     文件       10019  2019-05-20 14:21  DemoRealChart\obj\x86\Debug\DemoRealChart.csprojResolveAssemblyReference.cache
     文件       12288  2019-05-21 09:46  DemoRealChart\obj\x86\Debug\DemoRealChart.exe
     文件       26112  2019-05-21 09:46  DemoRealChart\obj\x86\Debug\DemoRealChart.pdb
     文件         180  2017-01-14 00:05  DemoRealChart\obj\x86\Debug\DemoRealChart.Properties.Resources.resources
     文件         180  2017-01-14 00:05  DemoRealChart\obj\x86\Debug\DemoSharp.RealChart.resources
     文件        2870  2019-05-20 14:21  DemoRealChart\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7194  2019-05-20 14:21  DemoRealChart\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         276  2017-01-14 00:05  DemoRealChart\obj\x86\Debug\GenerateResource.read.1.tlog
     文件         666  2017-01-14 00:05  DemoRealChart\obj\x86\Debug\GenerateResource.write.1.tlog
     目录           0  2017-01-14 00:04  DemoRealChart\obj\x86\Debug\TempPE\
     文件         516  2017-01-14 00:05  DemoRealChart\Program.cs
     目录           0  2017-01-14 00:04  DemoRealChart\Properties\
............此处省略8个文件信息