C#串口通信含发送与接收串口数据

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 Microsoft.Win32.SafeHandles;
using System.Runtime.InteropServices;
using System.IO;
using System.Diagnostics;
using System.IO.Ports;
using System.Threading;

namespace Project1
{
    // 显示窗口
    public enum WindowShowStatus 
    {   
        // 隐藏窗口
        SW_HIDE = 0
        // 最大化窗口
        SW_MAXIMIZE = 3
        // 最小化窗口
        SW_MINIMIZE = 6
        // 用当前的大小和位置显示一个窗口，同时令其进入活动状态
        SW_SHOW = 5
        // 用最近的大小和位置显示一个窗口，同时不改变活动窗口
        SW_SHOWNOACTIVATE = 4
    }
    
    public partial class Form1 : Form
    {   
        // 窗口初始化
        public Form

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     54272  2020-03-02 09:51  Project1\.vs\Project1\v16\.suo

     文件     253952  2020-03-02 09:51  Project1\.vs\Project1\v16\Browse.VC.db

     文件          0  2020-03-02 09:19  Project1\.vs\Project1\v16\Server\sqlite3\db.lock

     文件     557056  2020-03-02 09:51  Project1\.vs\Project1\v16\Server\sqlite3\storage.ide

     文件        187  2018-12-04 08:55  Project1\Project1\App.config

     文件      17920  2020-03-02 09:41  Project1\Project1\bin\Debug\Project1.exe

     文件        187  2018-12-04 08:55  Project1\Project1\bin\Debug\Project1.exe.config

     文件      28160  2020-03-02 09:41  Project1\Project1\bin\Debug\Project1.pdb

     文件      22984  2018-12-06 08:59  Project1\Project1\bin\Debug\Project1.vshost.exe

     文件        187  2018-12-04 08:55  Project1\Project1\bin\Debug\Project1.vshost.exe.config

     文件        490  2014-01-13 21:31  Project1\Project1\bin\Debug\Project1.vshost.exe.manifest

     文件      13861  2018-12-05 15:42  Project1\Project1\Form1.cs

     文件      22312  2018-12-06 10:24  Project1\Project1\Form1.Designer.cs

     文件       6225  2020-03-02 09:41  Project1\Project1\Form1.resx

     文件        819  2020-03-02 09:32  Project1\Project1\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6569  2020-03-02 09:32  Project1\Project1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1301  2020-03-02 09:33  Project1\Project1\obj\Debug\Project1.csproj.FileListAbsolute.txt

     文件        939  2020-03-02 09:41  Project1\Project1\obj\Debug\Project1.csproj.GenerateResource.cache

     文件        424  2020-03-02 09:41  Project1\Project1\obj\Debug\Project1.csprojAssemblyReference.cache

     文件       1592  2018-12-04 10:52  Project1\Project1\obj\Debug\Project1.csprojResolveAssemblyReference.cache

     文件      17920  2020-03-02 09:41  Project1\Project1\obj\Debug\Project1.exe

     文件        180  2020-03-02 09:41  Project1\Project1\obj\Debug\Project1.Form1.resources

     文件      28160  2020-03-02 09:41  Project1\Project1\obj\Debug\Project1.pdb

     文件          0  2018-12-04 08:55  Project1\Project1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2018-12-04 08:55  Project1\Project1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2018-12-04 08:55  Project1\Project1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件        489  2018-12-04 16:37  Project1\Project1\Program.cs

     文件       2741  2018-12-04 10:52  Project1\Project1\Project1.csproj

     文件        914  2018-12-04 08:55  Project1\Project1.sln

    ..A..H.     38912  2018-12-06 12:05  Project1\Project1.v11.suo

............此处省略16个文件信息