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?串口通信
{
????public?partial?class?Form1?:?Form
????{
????????SerialPort?SCOM?=?new?SerialPort（）;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????SCOM.DataReceived?+=?SCOM_DataReceived;
????????}

????????void?SCOM_DataReceived（object?sender?SerialDataReceivedEventArgs?e）
????????{
????????????int?length?=?SCOM.BytesToRead;
????????????byte[]?recData?=?new?byte[length];
????????????SCOM.Read（recData?0?length）;
????????????string?rectext?=?Encoding.GetEncoding（“GB2312“）.GetString（recData）;

????????????//更新接收區(qū)域
????????????receiveText.Invoke（new?EventHandler（delegate
????????????????{
????????????????????receiveText.AppendText（rectext）;
????????????????}））;
????????}

????????private?void?btnClearSend_Click（object?sender?EventArgs?e）
????????{
????????????sendText.Text?=?string.Empty;//清除發(fā)送區(qū)
????????}

????????private?void?btnClearReceive_Click（object?sender?EventArgs?e）
????????{
????????????receiveText.Text?=?string.Empty;//清除接收區(qū)
????????}

????????private?void?btnOpenPort_Click（object?sender?EventArgs?e）
????????{
????????????if?（SCOM.IsOpen）
????????????{
????????????????SCOM.Close（）;
????????????????btnOpenPort.Text?=?“打開串口“;
????????????}
????????????else
????????????{
????????????????InitPort（）;
????????????????try
????????????????{
????????????????????SCOM.Open（）;
????????????????????btnOpenPort.Text?=?“關(guān)閉串口“;
????????????????????MessageBox.Show（“串口初始化成功！“）;
????????????????}
????????????????catch（Exception?ex）
????????????????{
????????????????????MessageBox.Show（ex.Message）;
????????????????}
????????????}
????????}

????????private?void?btnSend_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????byte[]?encodebytes?=?Encoding.GetEncoding（“GB2312“）.GetBytes（sendText.Text）;
????????????????int?length?=?encodebytes.Length;
????????????????SCOM.Write（encodebytes?0?length）;
????????????}
????????????catch（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}
????????}

????????public?void?InitPort（）
????????{
????????????SCOM.PortName?=?cboPortName.Text;
????????????SCOM.BaudRate?=?int.Parse（cboBaudRate.Text）;
????????????SCOM.DataBits?=?int.Parse（cboDataBits.Text）;
????????????SCOM.Parity?=?（Parity）Enum.Parse（typeof（Parity）?cboPriority.Text）;
????????????SCOM.StopBits?=?（StopBits）Enum.Parse（typeof（StopBits）?cboStopBits.Text）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-24?21:42??串口通信\
?????目錄???????????0??2017-10-24?22:59??串口通信\串口通信\
?????文件????????1005??2017-10-24?21:42??串口通信\串口通信.sln
?????文件???????26624??2017-10-24?22:59??串口通信\串口通信.v12.suo
?????文件?????????187??2017-10-24?21:42??串口通信\串口通信\App.config
?????目錄???????????0??2017-10-24?21:42??串口通信\串口通信\bin\
?????目錄???????????0??2017-10-24?22:42??串口通信\串口通信\bin\Debug\
?????文件???????14336??2017-10-24?22:51??串口通信\串口通信\bin\Debug\串口通信.exe
?????文件?????????187??2017-10-24?21:42??串口通信\串口通信\bin\Debug\串口通信.exe.config
?????文件???????30208??2017-10-24?22:51??串口通信\串口通信\bin\Debug\串口通信.pdb
?????文件???????24224??2017-10-24?21:42??串口通信\串口通信\bin\Debug\串口通信.vshost.exe
?????文件?????????187??2017-10-24?21:42??串口通信\串口通信\bin\Debug\串口通信.vshost.exe.config
?????文件?????????490??2016-07-16?19:44??串口通信\串口通信\bin\Debug\串口通信.vshost.exe.manifest
?????文件????????2900??2017-10-24?22:59??串口通信\串口通信\Form1.cs
?????文件???????14388??2017-10-24?22:59??串口通信\串口通信\Form1.Designer.cs
?????文件????????5817??2017-10-24?22:59??串口通信\串口通信\Form1.resx
?????目錄???????????0??2017-10-24?21:42??串口通信\串口通信\obj\
?????目錄???????????0??2017-10-24?22:59??串口通信\串口通信\obj\Debug\
?????文件????????1038??2017-10-24?22:59??串口通信\串口通信\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7198??2017-10-24?22:59??串口通信\串口通信\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2017-10-24?21:42??串口通信\串口通信\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2017-10-24?21:42??串口通信\串口通信\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2017-10-24?21:42??串口通信\串口通信\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2017-10-24?21:42??串口通信\串口通信\obj\Debug\TempPE\
?????文件?????????824??2017-10-24?22:42??串口通信\串口通信\obj\Debug\串口通信.csproj.FileListAbsolute.txt
?????文件?????????977??2017-10-24?22:51??串口通信\串口通信\obj\Debug\串口通信.csproj.GenerateResource.Cache
?????文件???????14336??2017-10-24?22:51??串口通信\串口通信\obj\Debug\串口通信.exe
?????文件?????????180??2017-10-24?22:51??串口通信\串口通信\obj\Debug\串口通信.Form1.resources
?????文件???????30208??2017-10-24?22:51??串口通信\串口通信\obj\Debug\串口通信.pdb
?????文件?????????180??2017-10-24?22:42??串口通信\串口通信\obj\Debug\串口通信.Properties.Resources.resources
?????文件?????????524??2017-10-24?21:42??串口通信\串口通信\Program.cs
............此處省略7個文件信息