c#opc客户端开发

1、.using System;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using OPCAutomation;using System.Net;namespace Opc_ClientpublicpartialclassForm1 :FormpublicForm1()InitializeComponent();#region私?有?D变à?量?OPCServer SyServer;OPCGroups SyGroups;OP

2、CGroup SyGroup;OPCItems SyItems;OPCItem SyItem;stringstrHostIP =string.Empty;1 / 9.stringstrHostName =string.Empty;boolopc_connected =false ;/ 连?接¨?状á?态?intitmHandleClient = 0;/ 客¨a户?ì端?句 ?柄à¨2intitmHandleServer = 0;/ 服¤t务?端?句?柄à¨2#endregion#region方¤

3、?法 ¤?§privatevoid GetLocalServer()strHostIP = IPHost.AddressList4.ToString();this .tboxServerIP.Text = strHostIP.ToString();elsereturn ;trySyServer =new OPCServer();objectserverList = SyServer.GetOPCServers(strHostName);foreach ( stringturnin ( Array )serverList)cmbServerName.SelectedIndex

4、 = 0;btnConnServer.Enabled =true ;catch ( Exceptionerr)MessageBox.Show(" 枚 ?举¨本à?地ì?OPC服¤t务 ?器?出 ?错?¨a：ê o"+err.Message, " 提?¨示o?信?息?é",MessageBoxButtons .OK, MessageBoxIcon.Warning);2 / 9.privatebool CreatGroup()trySyGroups = SyServer.OPCG

5、roups;SyGroup = SyGroups.Add("OPCDOTNETGROUP");SetGroupProperty();SyGroup.DataChange +=newDIOPCGroupEvent_DataChangeEventHandler(SyGroup_DataChange);SyGroup.AsyncWriteComplete +=newDIOPCGroupEvent_AsyncWriteCompleteEventHandler(SyGroup_AsyncWriteComplete); SyItems = SyGroup.OPCItems;catch

6、( Exceptionerr)MessageBox.Show(" 创 ?建?§ 组á¨|出?现?错?¨a误¨?" +err.Message, " 提?¨示o?信?息?é",MessageBoxButtons .OK, MessageBoxIcon.Warning);returnfalse ;returntrue ;private void LoadDataToTree(OPCBrowser oPCBrowser, TreeNodeCollection treeNodeCollectio

7、n)oPCBrowser.ShowBranches();foreach ( objectturnin oPCBrowser)TreeNode node = treeNodeCollection.Add(turn.ToString();treeView1.SelectedNode = node;oPCBrowser.MoveDown(turn.ToString();LoadDataToTree(oPCBrowser, node.Nodes);oPCBrowser.MoveUp();oPCBrowser.ShowLeafs(false );foreach ( objectturnin oPCBro

8、wser)3 / 9.privatevoid RecurBrows(OPCBrowser oPCBrowser)/string i = oPCBrowser.OrganizationLoadDataToTree(oPCBrowser, treeView1.Nodes0.Nodes);oPCBrowser.ShowBranches();oPCBrowser.ShowLeafs(true );foreach ( objectturnin oPCBrowser)privatevoid GetServerInfo()this .toolStripStatusLabel1.Text =" 开a

9、始o?时o?à间?：êo"+""this .toolStripStatusLabel2.Text =" 版?本à?：êo" +".""."+private Boolean ConnectRemoteServer( string remoteServerIP, string remoteServerName)trySyServer.Connect( remoteServerName,remoteServerIP);if(SyServer.ServerState = (

10、int )OPCServerState.OPCRunning)this .toolStripStatusLabel3.Text =" 已°?连?接¨?到ì?-" +SyServer.ServerName +""elsethis .toolStripStatusLabel3.Text =" 状á?态?：êo"+""catch ( Exceptionerr)4 / 9.MessageBox.Show(" 连?接¨?远?程¨?服¤t

11、务?器?出?错?¨a：êo" + err.Message, " 提 ?¨示o?信?息?é", MessageBoxButtons .OK, MessageBoxIcon.Warning);returnfalse ;returntrue ;privatevoid SetGroupProperty()Convert .ToBoolean( this .comboBox1.SelectedItem);Convert .ToInt32(textBox1.Text);SyGroup.UpdateRate =Convert .ToInt

12、32(textBox2.Text);SyGroup.IsActive =Convert .ToBoolean(comboBox2.SelectedItem);SyGroup.IsSubscribed =Convert .ToBoolean(comboBox3.SelectedItem);#endregion#region事o?件tvoid SyGroup_AsyncWriteComplete( int TransactionID, int NumItems, ref Array ClientHandles, ref Array Errors)this .lblState.Text ="

13、;" ;for ( inti = 1; i <= NumItems; i+)this .lblState.Text +="Tran ：êo"+ TransactionID.ToString() +"CH：êo"+ ClientHandles.GetValue(i).ToString() +"Error：êo"+Errors.GetValue(i).ToString();void SyGroup_DataChange(intTransactionID,intNumItems, refArra

14、y ClientHandles,refArray ItemValues,refArray Qualities,refArray TimeStamps)for ( inti = 1; i <= NumItems; i+)this .tboxcurrvalue.Text = ItemValues.GetValue(i).ToString();this .tboxcurrquality.Text = Qualities.GetValue(i).ToString();this .tboxcurrtime.Text = TimeStamps.GetValue(i).ToString();5 / 9

15、.#endregionprivatevoid Form1_Load( objectsender,EventArgs e)btnConnServer.Enabled =false ;btnServerBrush.Enabled =false ;btnsetproparty.Enabled =false ;btnwritevalue.Enabled =false ;"Root" );GetLocalServer();privatevoid listBox1_SelectedIndexChanged(objectsender,EventArgs e)tryif(itmHandle

16、Client != 0)this .tboxcurrvalue.Text ="" ;this .tboxcurrquality.Text ="" ;this .tboxcurrtime.Text ="" ;Array Errors;OPCItem bItem = SyItems.GetOPCItem(itmHandleServer);int temp =new int 2 0, bItem.ServerHandle ;Array serverHandle = (Array )temp;SyItems.Remove(SyItems.Co

17、unt,ref serverHandle,out Errors);/int cancelID;itmHandleClient = 1234;itmHandleServer = SyItem.ServerHandle;out TimeStamp);/SyGroup.AsyncRead(1,refserverHandle,out Errors,2016, out cancelID);catch ( Exceptionerr)itmHandleClient = 0;6 / 9.this.tboxcurrvalue.Text ="Error ox"this.tboxcurrqual

18、ity.Text ="Error ox"this.tboxcurrtime.Text ="Error ox" ;MessageBox.Show(" 此 ?项?为 a系| ì统a3保à?留ê ?项?： êo"+err.Message, " 提?¨示o?信?息?é");privatevoid Form1_FormClosing( objectsender,FormClosingEventArgse)if(!opc_connected)return ;if(Sy

19、Group !=null )SyGroup.DataChange -= new DIOPCGroupEvent_DataChangeEventHandler(SyGroup_DataChange);if(SyServer !=null )SyServer.Disconnect();SyServer =null ;opc_connected =false ;privatevoid btnsetproparty_Click(objectsender,EventArgs e)SetGroupProperty();privatevoid btnConnServer_Click(objectsender

20、,EventArgs e)tryif(!ConnectRemoteServer(tboxServerIP.Text, cmbServerName.Text)return ;btnsetproparty.Enabled =true ;opc_connected =true ;GetServerInfo();RecurBrows(SyServer.CreateBrowser();if(!CreatGroup()7 / 9.return ;catch ( Exceptionerr)MessageBox.Show(" 初 ?始o?化 ?￥出?错?¨a：êo"+e

21、rr.Message, " 提?¨示o?信 ?息?é",MessageBoxButtons .OK, MessageBoxIcon.Warning);privatevoid btnwritevalue_Click(objectsender,EventArgs e)OPCItem bItem = SyItems.GetOPCItem(itmHandleServer);int temp =new int 2 0,bItem.ServerHandle ;Array serverHandle = (Array )temp;object valueTemp =new object 2 "" , t