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?ModbusCRC?crc?=?new?ModbusCRC（）;

????????private?StringBuilder?builder?=?new?StringBuilder（）;//避免在事件處理方法中反復的創(chuàng)建，定義到外面。
????????private?long?received_count?=?0;//接收計數(shù)
????????private?long?send_count?=?0;//發(fā)送計數(shù)

????????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（“4800“）;

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

????????????//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(shù)組存儲當前來的串口數(shù)據
????????????received_count?+=?n;//增加接收計數(shù)
????????????comm.Read（buf?0?n）;//讀取緩沖數(shù)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(guī)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(shù)
????????????????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（）;
????????????????buttonSend.Enabled?=?false;
????????????}
????????????else
????????????{
????????????????//關閉時點擊，則設置好端口，波特率后打開
????????????????comm.PortName?=?comboPortName.Text;
????????????????comm.BaudRat

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????17920??2015-01-23?10:30??SerialportSample\SerialportSample\bin\Debug\SerialportSample.exe

?????文件??????44544??2015-01-23?10:30??SerialportSample\SerialportSample\bin\Debug\SerialportSample.pdb

?????文件??????22984??2015-01-23?10:30??SerialportSample\SerialportSample\bin\Debug\SerialportSample.vshost.exe

?????文件????????490??2010-03-18?12:39??SerialportSample\SerialportSample\bin\Debug\SerialportSample.vshost.exe.manifest

?????文件???????6247??2014-11-28?14:15??SerialportSample\SerialportSample\Form1.cs

?????文件??????16892??2014-11-27?14:48??SerialportSample\SerialportSample\Form1.Designer.cs

?????文件???????5817??2014-11-27?14:48??SerialportSample\SerialportSample\Form1.resx

?????文件???????4797??2014-11-28?14:16??SerialportSample\SerialportSample\ModbusCRC.cs

?????文件???????5420??2014-11-26?14:06??SerialportSample\SerialportSample\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7056??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????312??2014-04-02?12:49??SerialportSample\SerialportSample\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????788??2014-04-02?12:49??SerialportSample\SerialportSample\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件???????7897??2014-04-08?13:54??SerialportSample\SerialportSample\obj\x86\Debug\ResolveAssemblyReference.cache

?????文件???????3419??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.csproj.FileListAbsolute.txt

?????文件????????975??2014-11-28?14:16??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.csproj.GenerateResource.Cache

?????文件???????9174??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.csprojResolveAssemblyReference.cache

?????文件??????17920??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.exe

?????文件??????44544??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.pdb

?????文件????????180??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.Properties.Resources.resources

?????文件????????180??2015-01-23?10:30??SerialportSample\SerialportSample\obj\x86\Debug\SerialportSample.SerialportSampleForm.resources

?????文件????????523??2010-05-16?03:24??SerialportSample\SerialportSample\Program.cs

?????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

?????文件???????1099??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\Settings.Designer.cs

?????文件????????249??2010-05-16?02:19??SerialportSample\SerialportSample\Properties\Settings.settings

?????文件???????3773??2014-11-28?17:41??SerialportSample\SerialportSample\SerialportSample.csproj

?????文件???????1240??2014-11-28?17:41??SerialportSample\SerialportSample\uSerialPort.cs

?????文件????????890??2010-05-16?02:19??SerialportSample\SerialportSample.sln

????..A..H.?????21504??2014-04-08?13:56??SerialportSample\SerialportSample.suo

............此處省略14個文件信息