using?System;
using?System.Collections.Generic;
using?System.Collections;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?OPCAutomation;
using?System.Diagnostics;

namespace?OPC_Client
{
????public?partial?class?Form1?:?Form
????{
????????OPCServer?objServer;
????????OPCGroups?objGroups;
????????OPCGroup?objGroup;
????????OPCItems?objItems;
????????Array?strItemIDs;
????????Array?lClientHandles;
????????Array?lserverhandles;
????????Array?lErrors;
??????//??int?ltransID_Rd?=?1;
???????//?int?lCancelID_Rd;
???????object?RequestedDataTypes?=?null;
????????object?AccessPaths?=?null;
?????//???Array?lerrors_Rd;
????????Array?lErrors_Wt;
????????int?lTransID_Wt?=?2;
????????int?lCancelID_Wt;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}


????????//連接opc?server
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????//（1）創建opc?server對象
????????????objServer?=?new?OPCServer（）;
????????????//連接opc?server
????????????objServer.Connect（“KEPware.KEPServerEx.V4“?null）;
????????????//（2）建立一個opc組集合
????????????objGroups?=?objServer.OPCGroups;
????????????//（3）建立一個opc組
????????????objGroup?=?objGroups.Add（null）;?//Group組名字可有可無
????????????//（4）添加opc標簽
????????????objGroup.IsActive?=?true;?//設置該組為活動狀態，連接PLC時，設置為非活動狀態也一樣
????????????objGroup.IsSubscribed?=?true;?//設置異步通知
????????????objGroup.UpdateRate?=?250;
????????????objServer.OPCGroups.DefaultGroupDeadband?=?0;
????????????objGroup.DataChange?+=?new?DIOPCGroupEvent_DataChangeEventHandler（KepGroup_DataChange）;
???????????//?objGroup.AsyncReadComplete?+=?new?DIOPCGroupEvent_AsyncReadCompleteEventHandler（AsyncReadComplete）;
????????????objGroup.AsyncWriteComplete?+=?new?DIOPCGroupEvent_AsyncWriteCompleteEventHandler（AsyncWriteComplete）;
????????????objItems?=?objGroup.OPCItems;?//建立opc標簽集合
????????????string[]?tmpIDs?=?new?string[7];
????????????int[]?tmpCHandles?=?new?int[7];
????????????for?（int?i?=?1;?i?????????????{
????????????????tmpCHandles[i]?=?i;
????????????}
????????????tmpIDs[1]?=?“西門子S7-300.PLC.系統啟動開關“;
????????????tmpIDs[2]?=?“西門子S7-300.PLC.機械手啟動開關“;
????????????tmpIDs[3]?=?“西門子S7-300.PLC.M1電動機“;
????????????tmpIDs[4]?=?“西門子S7-300.PLC.機械手“;
????????????tmpIDs[5]?=?“西門子S7-300.PLC.溫度“;
????????????tmpIDs[6]?=?“西門子S7-300.PLC.濕度“;
????????????strItemIDs?=?（Array）tmpIDs;//必須轉成Array型，否則不能調用AddItems方法
????????????lClientHandles?=?（Array）tmpCHandles;
????????????//?添加opc標簽
????????????objItems.AddItems（6?ref?strItemIDs?ref?lClientHandles?out?lserverhandles?out?lErrors?RequestedDataTypes?AccessPaths）;
????????}


????????//結束并斷開opc?server
????????private?void?button4_Click（object?sender?EventArgs?e）
????????{
????????????objServer.Disconnect（）;
????????????//關閉kepserver進程，這個跟OPC操作無關
????????????/*
????????????foreach?（?Process?oneProcess?in?Process.GetPr

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

?????文件????1267200??2014-07-08?21:22??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\C#通過OPC服務器連接PLC讀寫數據.doc

?????文件??????18432??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\bin\Debug\OPC_Client.exe

?????文件??????28160??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\bin\Debug\OPC_Client.pdb

?????文件??????11600??2014-05-28?21:38??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\bin\Debug\OPC_Client.vshost.exe

?????文件????????490??2010-03-17?22:39??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\bin\Debug\OPC_Client.vshost.exe.manifest

?????文件??????????1??2014-05-28?18:37??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\ClassDiagram1.cd

?????文件???????7052??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Form1.cs

?????文件??????13202??2014-05-28?21:19??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Form1.Designer.cs

?????文件???????5817??2014-05-28?21:19??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Form1.resx

?????文件???????6570??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????376??2014-05-28?21:19??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????862??2014-05-28?21:19??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件??????28672??2014-05-28?19:24??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\Interop.OPCAutomation.dll

?????文件???????1337??2014-05-28?21:38??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.csproj.FileListAbsolute.txt

?????文件????????723??2014-05-28?19:24??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.csproj.ResolveComReference.cache

?????文件??????18432??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.exe

?????文件????????180??2014-05-28?21:19??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.Form1.resources

?????文件??????28160??2014-05-28?21:33??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.pdb

?????文件????????180??2014-05-28?19:27??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\obj\x86\Debug\OPC_Client.Properties.Resources.resources

?????文件???????4099??2014-05-28?19:27??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\OPC_Client.csproj

?????文件????????491??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Program.cs

?????文件???????1360??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Properties\AssemblyInfo.cs

?????文件???????2870??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Properties\Resources.Designer.cs

?????文件???????5612??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Properties\Resources.resx

?????文件???????1095??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Properties\Settings.Designer.cs

?????文件????????249??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client\Properties\Settings.settings

?????文件????????872??2014-05-28?18:36??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client.sln

????..A..H.?????26112??2014-05-28?21:38??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC_Client\OPC_Client.suo

?????文件?????706486??2014-05-28?21:38??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\OPC客戶端演示.avi

????..A..H.???????162??2019-11-12?21:50??0237?C#通過OPC連接PLC讀寫數據源碼\C#通過OPC連接PLC讀寫數據\~$通過OPC服務器連接PLC讀寫數據.doc

............此處省略15個文件信息