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.IO.Ports;
using?System.Text.Regularexpressions;

namespace?SerialportSample
{
????public?partial?class?SerialportSampleForm?:?Form
????{
????????private?SerialPort?comm?=?new?SerialPort（）;
????????private?StringBuilder?builder?=?new?StringBuilder（）;//避免在事件處理方法中反復的創建，定義到外面。
????????private?long?received_count?=?0;//接收計數
????????private?long?send_count?=?0;//發送計數

????????public?SerialportSampleForm（）
????????{
????????????InitializeComponent（）;
????????}

????????//窗體初始化
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????//初始化下拉串口名稱列表框
????????????string[]?ports?=?SerialPort.GetPortNames（）;
????????????Array.Sort（ports）;
????????????comboPortName.Items.AddRange（ports）;
????????????comboPortName.SelectedIndex?=?comboPortName.Items.Count?>?0???0?:?-1;
????????????comboBaudrate.SelectedIndex?=?comboBaudrate.Items.IndexOf（“9600“）;

????????????//初始化SerialPort對象
????????????comm.NewLine?=?“\r\n“;
????????????comm.RtsEnable?=?true;//根據實際情況吧。

????????????//添加事件注冊
????????????comm.DataReceived?+=?comm_DataReceived;
????????}

????????void?comm_DataReceived（object?sender?SerialDataReceivedEventArgs?e）
????????{
????????????int?n?=?comm.BytesToRead;//先記錄下來，避免某種原因，人為的原因，操作幾次之間時間長，緩存不一致
????????????byte[]?buf?=?new?byte[n];//聲明一個臨時數組存儲當前來的串口數據
????????????received_count?+=?n;//增加接收計數
????????????comm.Read（buf?0?n）;//讀取緩沖數據
????????????builder.Clear（）;//清除字符串構造器的內容
????????????//因為要訪問ui資源，所以需要使用invoke方式同步ui。
????????????this.Invoke（（EventHandler）（delegate
????????????{
????????????????//判斷是否是顯示為16禁止
????????????????if?（checkBoxHexView.Checked）
????????????????{
????????????????????//依次的拼接出16進制字符串
????????????????????foreach?（byte?b?in?buf）
????????????????????{
????????????????????????builder.Append（b.ToString（“X2“）?+?“?“）;
????????????????????}
????????????????}
????????????????else
????????????????{
????????????????????//直接按ASCII規則轉換成字符串
????????????????????builder.Append（Encoding.ASCII.GetString（buf））;
????????????????}
????????????????//追加的形式添加到文本框末端，并滾動到最后。
????????????????this.txGet.AppendText（builder.ToString（））;
????????????????//修改接收計數
????????????????labelGetCount.Text?=?“Get:“?+?received_count.ToString（）;
????????????}））;
????????}

????????private?void?buttonOpenClose_Click（object?sender?EventArgs?e）
????????{
????????????//根據當前串口對象，來判斷操作
????????????if?（comm.IsOpen）
????????????{
????????????????//打開時點擊，則關閉串口
????????????????comm.Close（）;
????????????}
????????????else
????????????{
????????????????//關閉時點擊，則設置好端口，波特率后打開
????????????????comm.PortName?=?comboPortName.Text;
????????????????comm.BaudRate?=?int.Parse（comboBaudrate.Text）;
????????????????try
????????????????{
????????????????????comm.Open（）;
????????????????}
?????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-05-16?02:19??SerialportSample\
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\
?????文件?????????890??2010-05-16?02:19??SerialportSample\SerialportSample.sln
?????文件???????19456??2010-05-17?01:20??SerialportSample\SerialportSample.suo
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\bin\
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\bin\Debug\
?????文件???????15872??2010-05-17?01:19??SerialportSample\SerialportSample\bin\Debug\SerialportSample.exe
?????文件???????26112??2010-05-17?01:19??SerialportSample\SerialportSample\bin\Debug\SerialportSample.pdb
?????文件???????11600??2010-05-17?01:00??SerialportSample\SerialportSample\bin\Debug\SerialportSample.vshost.exe
?????文件?????????490??2010-03-17?22:39??SerialportSample\SerialportSample\bin\Debug\SerialportSample.vshost.exe.manifest
?????文件????????6110??2010-05-17?01:19??SerialportSample\SerialportSample\Form1.cs
?????文件???????15770??2010-05-17?01:06??SerialportSample\SerialportSample\Form1.Designer.cs
?????文件????????5817??2010-05-17?01:06??SerialportSample\SerialportSample\Form1.resx
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\obj\
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\obj\x86\
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\obj\x86\Debug\
?????文件????????3408??2010-05-17?00:44??SerialportSample\SerialportSample\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6277??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????324??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\GenerateResource.read.1.tlog
?????文件?????????812??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\GenerateResource.write.1.tlog
?????文件?????????937??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.csproj.FileListAbsolute.txt
?????文件???????15872??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.exe
?????文件???????26112??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.pdb
?????文件?????????180??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.Properties.Resources.resources
?????文件?????????180??2010-05-17?01:19??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.SerialportSampleForm.resources
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\obj\x86\Debug\TempPE\
?????文件?????????523??2010-05-16?03:24??SerialportSample\SerialportSample\Program.cs
?????目錄???????????0??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\
?????文件????????1468??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\AssemblyInfo.cs
?????文件????????2858??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\Resources.Designer.cs
?????文件????????5612??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\Resources.resx
............此處省略3個文件信息