using?System;
using?System.Windows.Forms;
using?System.Net.Sockets;
using?System.Threading;
using?System.Net;
using?System.Text;

namespace?Modbus_TCP_Client
{
????public?partial?class?Form1?:?Form
????{
????????public?Socket?newclient;
????????public?bool?Connected;
????????public?Thread?myThread;
????????public?delegate?void?MyInvoke（string?str）;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?exit_Click（object?sender?EventArgs?e）
????????{
????????????Application.Exit（）;
????????}

????????public?void?Connect（）
????????{
????????????byte[]?data?=?new?byte[1024];

????????????string?ipadd?=?serverIP.Text.Trim（）;//將服務器IP地址存放在字符串?ipadd中
????????????int?port?=?Convert.ToInt32（serverPort.Text.Trim（））;//將端口號強制為32位整型，存放在port中

????????????//創建一個套接字?

????????????IPEndPoint?ie?=?new?IPEndPoint（IPAddress.Parse（ipadd）?port）;
????????????newclient?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;


????????????//將套接字與遠程服務器地址相連
????????????try
????????????{
????????????????newclient.Connect（ie）;
????????????????connect.Enabled?=?false;//使連接按鈕變成虛的，無法點擊
????????????????Connected?=?true;

????????????}
????????????catch?（SocketException?e）
????????????{
????????????????MessageBox.Show（“連接服務器失敗??“?+?e.Message）;
????????????????return;
????????????}

????????????ThreadStart?myThreaddelegate?=?new?ThreadStart（ReceiveMsg）;
????????????myThread?=?new?Thread（myThreaddelegate）;
????????????myThread.Start（）;
????????????timersend.Enabled?=?true;

????????}

????????private?void?connect_Click_1（object?sender?EventArgs?e）
????????{
????????????Connect（）;
????????}

????????private?void?timersend_Tick（object?sender?EventArgs?e）
????????{
????????????int?isecond?=?5000;//以毫秒為單位
????????????timersend.Interval?=?isecond;//5秒觸發一次
????????????byte[]?data?=?new?byte[]?{?0x00?0x0f?0x00?0x00?0x00?0x06?0x01?0x04?0x00?0x00?0x00?0x01?};//這里我們不講解04功能碼，所以這里用04功能碼發送，防止對其他功能碼演示的干擾
????????????newclient.Send（data）;
????????}

????????public?void?ReceiveMsg（）
????????{
????????????while?（true）
????????????{
????????????????byte[]?data?=?new?byte[1024];
????????????????newclient.Receive（data）;
????????????????int?length?=?data[5];
????????????????Byte[]?datashow?=?new?byte[length?+?6];
????????????????for?（int?i?=?0;?i?<=?length?+?5;?i++）
????????????????????datashow[i]?=?data[i];
????????????????string?stringdata?=?BitConverter.ToString（datashow）;//把數組轉換成16進制字符串
????????????????if?（data[7]?==?0x01）?{?showMsg01（stringdata?+?“\r\n“）;?};
????????????????if?（data[7]?==?0x02）?{?showMsg02（stringdata?+?“\r\n“）;?};
????????????????if?（data[7]?==?0x03）?{?showMsg03（stringdata?+?“\r\n“）;?};
????????????????if?（data[7]?==?0x05）?{?showMsg05（stringdata?+?“\r\n“）;?};
????????????????if?（data[7]?==?0x06）?{?showMsg06（stringdata?+?“\r\n“）;?};
????????????????if?（data[7]?==?0x0F）?{?showMsg0F（stringdata?+?“\r\n“）;?};
??????

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

????..A..H.?????39424??2016-08-27?17:39??Modbus?TCP?Client\.vs\Modbus?TCP?Client\v14\.suo

?????文件??????20992??2016-08-27?16:00??Modbus?TCP?Client\Modbus?TCP?Client\bin\Debug\Modbus?TCP?Client.exe

?????文件??????32256??2016-08-27?16:00??Modbus?TCP?Client\Modbus?TCP?Client\bin\Debug\Modbus?TCP?Client.pdb

?????文件??????22688??2016-08-27?17:34??Modbus?TCP?Client\Modbus?TCP?Client\bin\Debug\Modbus?TCP?Client.vshost.exe

?????文件????????490??2015-07-10?19:01??Modbus?TCP?Client\Modbus?TCP?Client\bin\Debug\Modbus?TCP?Client.vshost.exe.manifest

?????文件???????8055??2016-08-27?17:38??Modbus?TCP?Client\Modbus?TCP?Client\Form1.cs

?????文件??????27182??2016-08-27?17:38??Modbus?TCP?Client\Modbus?TCP?Client\Form1.Designer.cs

?????文件???????6209??2016-08-27?17:38??Modbus?TCP?Client\Modbus?TCP?Client\Form1.resx

?????文件???????3748??2016-08-21?21:49??Modbus?TCP?Client\Modbus?TCP?Client\Modbus?TCP?Client.csproj

?????文件???????1608??2016-08-24?10:54??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6869??2016-08-21?21:47??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????730??2016-08-27?17:34??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus?TCP?Client.csproj.FileListAbsolute.txt

?????文件???????1012??2016-08-26?22:58??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus?TCP?Client.csproj.GenerateResource.Cache

?????文件???????2210??2016-08-26?10:28??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus?TCP?Client.csprojResolveAssemblyReference.cache

?????文件??????20992??2016-08-27?16:00??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus?TCP?Client.exe

?????文件??????32256??2016-08-27?16:00??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus?TCP?Client.pdb

?????文件????????180??2016-08-26?22:58??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus_TCP_Client.Form1.resources

?????文件????????180??2016-08-26?10:28??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\Modbus_TCP_Client.Properties.Resources.resources

?????文件????????498??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\Program.cs

?????文件???????1351??2016-08-26?09:45??Modbus?TCP?Client\Modbus?TCP?Client\Properties\AssemblyInfo.cs

?????文件???????2847??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\Properties\Resources.Designer.cs

?????文件???????5612??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\Properties\Resources.resx

?????文件???????1104??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\Properties\Settings.Designer.cs

?????文件????????249??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\Properties\Settings.settings

?????文件???????1018??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client.sln

?????目錄??????????0??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug\TempPE

?????目錄??????????0??2016-08-27?17:40??Modbus?TCP?Client\.vs\Modbus?TCP?Client\v14

?????目錄??????????0??2016-08-27?17:40??Modbus?TCP?Client\Modbus?TCP?Client\bin\Debug

?????目錄??????????0??2016-08-21?21:46??Modbus?TCP?Client\Modbus?TCP?Client\bin\Release

?????目錄??????????0??2016-08-27?17:40??Modbus?TCP?Client\Modbus?TCP?Client\obj\Debug

............此處省略10個文件信息