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.IO.Ports;



namespace?WindowsFormsApp1
{
???
????public?partial?class?Form1?:?Form
????{
????????public?byte[]?data1;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????public?SerialPort?port1?=?new?SerialPort（“COM3“?9600?Parity.None?8?StopBits.One）;
????????private?void?Button1_Click（object?sender?EventArgs?e）
????????{
????????????port1.Open（）;
????????????port1.DiscardInBuffer（）;
????????????port1.DiscardOutBuffer（）;
????????????MessageBox.Show（“com3?is?opensystem?message“）;
????????????System.Threading.Thread.Sleep（1000）;

????????????int?t=?port1.ReadByte（）;
????????????textBox1.Text?=?Convert.ToString（t）;
????????????MessageBox.Show（“receiving?successfulsystem?message“）;
???????????


????????}

????????private?void?Button2_Click（object?sender?EventArgs?e）
????????{
????????????serialPort1.Close（）;
????????}

????????private?void?Button3_Click（object?sender?EventArgs?e）
????????{
????????????Close（）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\.vs\
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\.vs\WindowsFormsApp1\
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\.vs\WindowsFormsApp1\v15\
?????文件???????52736??2018-09-30?22:17??WindowsFormsApp1（c#）\.vs\WindowsFormsApp1\v15\.suo
?????目錄???????????0??2018-09-30?22:16??WindowsFormsApp1（c#）\.vs\WindowsFormsApp1\v15\sqlite3\
?????文件??????696320??2018-09-30?22:16??WindowsFormsApp1（c#）\.vs\WindowsFormsApp1\v15\sqlite3\storage.ide
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\WindowsFormsApp1\
?????文件????????1145??2017-09-09?22:15??WindowsFormsApp1（c#）\WindowsFormsApp1.sln
?????文件?????????189??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\App.config
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\WindowsFormsApp1\bin\
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\WindowsFormsApp1\bin\Debug\
?????文件???????10240??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe
?????文件?????????189??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe.config
?????文件???????22016??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.pdb
?????文件????????1264??2017-09-10?00:51??WindowsFormsApp1（c#）\WindowsFormsApp1\Form1.cs
?????文件????????5192??2017-09-10?00:29??WindowsFormsApp1（c#）\WindowsFormsApp1\Form1.Designer.cs
?????文件????????6211??2017-09-09?22:43??WindowsFormsApp1（c#）\WindowsFormsApp1\Form1.resx
?????目錄???????????0??2018-09-30?19:23??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\
?????目錄???????????0??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\
?????文件?????????868??2017-09-09?22:15??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7672??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2017-09-09?22:14??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\TempPE\
?????文件??????????42??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.CoreCompileInputs.cache
?????文件????????4526??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.FileListAbsolute.txt
?????文件????????1012??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.GenerateResource.Cache
?????文件????????2384??2017-09-09?22:18??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csprojResolveAssemblyReference.cache
?????文件???????10240??2018-09-30?22:16??WindowsFormsApp1（c#）\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.exe
............此處省略11個文件信息