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.Threading;
using?System.IO;

namespace?Demo
{
????public?partial?class?myForm?:?Form
????{

????????private?string?btn_sender?=?““;
????????private?const?int?read_num?=?99;
????????private?const?int?read_num2?=?60;

????????private?Boolean?received?=?false;

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

????????private?void?myForm_Load（object?sender?EventArgs?e）
????????{
????????????comboBoxPortName.SelectedIndex?=?0;
????????????comboBoxBaudRate.SelectedIndex?=?6;
????????????comboBoxParity.SelectedIndex?=?1;
????????????comboBoxDataBits.SelectedIndex?=?0;
????????????comboBoxStopBits.SelectedIndex?=?0;
????????????combo3.SelectedIndex?=?1;
????????????TxtMachAdd.Text?=?“1“;
????????????btnClose.Enabled?=?false;
????????????btnOpen.Enabled?=?true;
????????????btnsend.Enabled?=?false;
????????????btnread.Enabled?=?false;
????????????btnswitch.Enabled?=?false;
????????????btnget.Enabled?=?false;
????????????btnmulsend.Enabled?=?false;

????????????textBoxInformation.Text?=?“系統初始化成功!\r\n“;
????????}
????????private?void?btnOpen_Click（object?sender?EventArgs?e）
????????{
????????????String?myParity;
????????????String?myStopBits;

????????????myParity?=?comboBoxParity.SelectedItem.ToString（）;
????????????myStopBits?=?comboBoxStopBits.SelectedItem.ToString（）;

????????????//設置端口號
????????????mySerialPort.PortName?=?comboBoxPortName.SelectedItem.ToString（）;
????????????//設置波特率
????????????mySerialPort.BaudRate?=?Convert.ToInt32（comboBoxBaudRate.SelectedItem）;

????????????//設置校驗位
????????????switch?（myParity）
????????????{
????????????????case?“None“:
????????????????????mySerialPort.Parity?=?Parity.None;
????????????????????break;
????????????????case?“Even“:
????????????????????mySerialPort.Parity?=?Parity.Even;
????????????????????break;
????????????????case?“Odd“:
????????????????????mySerialPort.Parity?=?Parity.Odd;
????????????????????break;
????????????????default:
????????????????????mySerialPort.Parity?=?Parity.None;
????????????????????break;
????????????}

????????????//設置數據位
????????????mySerialPort.DataBits?=?Convert.ToInt32（comboBoxDataBits.SelectedItem）;

????????????//設置停止位
????????????switch?（myStopBits）
????????????{
????????????????case?“1“:
????????????????????mySerialPort.StopBits?=?StopBits.One;
????????????????????break;
????????????????case?“2“:
????????????????????mySerialPort.StopBits?=?StopBits.Two;
????????????????????break;
????????????????default:
????????????????????mySerialPort.StopBits?=?StopBits.One;
????????????????????break;

????????????}
????????????//采用ASCII編碼方式
????????????mySerialPort.Encoding?=?Encoding.ASCII;
????????????//接收到一個字符就觸發接收事件
????????????mySerialPort

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

?????文件???????3754??2012-10-07?08:31??ModbusDemo\Backup\Demo\Demo.csproj

?????文件??????39159??2012-10-10?15:41??ModbusDemo\Backup\Demo\Form1.cs

?????文件??????55435??2012-10-10?15:10??ModbusDemo\Backup\Demo\Form1.Designer.cs

?????文件???????6382??2012-10-10?15:10??ModbusDemo\Backup\Demo\Form1.resx

?????文件????????486??2010-09-25?13:17??ModbusDemo\Backup\Demo\Program.cs

?????文件???????1364??2010-09-25?13:03??ModbusDemo\Backup\Demo\Properties\AssemblyInfo.cs

?????文件???????2858??2010-09-25?13:03??ModbusDemo\Backup\Demo\Properties\Resources.Designer.cs

?????文件???????5612??2010-09-25?13:03??ModbusDemo\Backup\Demo\Properties\Resources.resx

?????文件???????1089??2010-09-25?13:03??ModbusDemo\Backup\Demo\Properties\Settings.Designer.cs

?????文件????????249??2010-09-25?13:03??ModbusDemo\Backup\Demo\Properties\Settings.settings

?????文件????????902??2010-09-25?13:03??ModbusDemo\Backup\Demo.sln

????..A..H.?????25600??2012-10-11?11:21??ModbusDemo\Backup\Demo.suo

?????文件??????36352??2015-07-05?23:00??ModbusDemo\Demo\bin\Debug\Demo.exe

?????文件??????62976??2015-07-05?23:00??ModbusDemo\Demo\bin\Debug\Demo.pdb

?????文件??????11608??2016-06-29?10:21??ModbusDemo\Demo\bin\Debug\Demo.vshost.exe

?????文件????????490??2009-08-31?00:40??ModbusDemo\Demo\bin\Debug\Demo.vshost.exe.manifest

?????文件???????4073??2015-07-05?22:59??ModbusDemo\Demo\Demo.csproj

?????文件??????39159??2012-10-10?15:41??ModbusDemo\Demo\Form1.cs

?????文件??????55435??2012-10-10?15:10??ModbusDemo\Demo\Form1.Designer.cs

?????文件???????6382??2012-10-10?15:10??ModbusDemo\Demo\Form1.resx

?????文件???????3287??2016-06-29?10:21??ModbusDemo\Demo\obj\Debug\Demo.csproj.FileListAbsolute.txt

?????文件????????902??2015-07-05?23:00??ModbusDemo\Demo\obj\Debug\Demo.csproj.GenerateResource.Cache

?????文件??????36352??2015-07-05?23:00??ModbusDemo\Demo\obj\Debug\Demo.exe

?????文件????????180??2015-07-05?23:00??ModbusDemo\Demo\obj\Debug\Demo.myForm.resources

?????文件??????62976??2015-07-05?23:00??ModbusDemo\Demo\obj\Debug\Demo.pdb

?????文件????????180??2015-07-05?23:00??ModbusDemo\Demo\obj\Debug\Demo.Properties.Resources.resources

?????文件???????1229??2016-06-29?10:21??ModbusDemo\Demo\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6083??2015-08-17?22:49??ModbusDemo\Demo\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????4608??2015-07-05?22:59??ModbusDemo\Demo\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件????????486??2010-09-25?13:17??ModbusDemo\Demo\Program.cs

............此處省略29個文件信息