addbrowsetreeform.cs

利用OpcNet控件（包含源码）进行OPC通讯的开发样例

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using HaiGrang.Package.OpcNetApiChs.Opc;
using HaiGrang.Package.OpcNetApiChs.Da;
using HaiGrang.Package.OpcNetApiChs.DaNet;

namespace AddBrowseTreeSample
{
	/// <summary>
	/// AddBrowseTreeSample 的摘要说明。
	/// </summary>

	public class AddBrowseTree : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button OpcServerDisConnect;
		private System.Windows.Forms.Label OpcServerRemove;
		private System.Windows.Forms.Label bOpcServerName;
		private System.Windows.Forms.Button bOpcServerConnect;
		private System.Windows.Forms.Button AddBrowseTreeButton;
		private System.Windows.Forms.Label BrowseTree;
		private System.Windows.Forms.TreeView tOpcTreeView;
		private System.Windows.Forms.TreeView BrowseOpcTreeView;

		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		
		private System.ComponentModel.Container components = null;

		public AddBrowseTree()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if(tOpcServer != null)
			{
				tOpcServer.Disconnect() ;
			}
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.OpcServerDisConnect = new System.Windows.Forms.Button();
			this.OpcServerRemove = new System.Windows.Forms.Label();
			this.bOpcServerName = new System.Windows.Forms.Label();
			this.bOpcServerConnect = new System.Windows.Forms.Button();
			this.AddBrowseTreeButton = new System.Windows.Forms.Button();
			this.BrowseTree = new System.Windows.Forms.Label();
			this.tOpcTreeView = new System.Windows.Forms.TreeView();
			this.BrowseOpcTreeView = new System.Windows.Forms.TreeView();
			this.SuspendLayout();
			// 
			// OpcServerDisConnect
			// 
			this.OpcServerDisConnect.Location = new System.Drawing.Point(312, 184);
			this.OpcServerDisConnect.Name = "OpcServerDisConnect";
			this.OpcServerDisConnect.Size = new System.Drawing.Size(216, 32);
			this.OpcServerDisConnect.TabIndex = 44;
			this.OpcServerDisConnect.Text = "Opc Server DisConnect";
			this.OpcServerDisConnect.Click += new System.EventHandler(this.OpcServerDisConnect_Click);
			// 
			// OpcServerRemove
			// 
			this.OpcServerRemove.BackColor = System.Drawing.Color.Yellow;
			this.OpcServerRemove.Location = new System.Drawing.Point(56, 184);
			this.OpcServerRemove.Name = "OpcServerRemove";
			this.OpcServerRemove.Size = new System.Drawing.Size(216, 32);
			this.OpcServerRemove.TabIndex = 43;
			this.OpcServerRemove.Text = "Opc Server Remove";
			this.OpcServerRemove.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// bOpcServerName
			// 
			this.bOpcServerName.BackColor = System.Drawing.Color.Yellow;
			this.bOpcServerName.Location = new System.Drawing.Point(56, 40);
			this.bOpcServerName.Name = "bOpcServerName";
			this.bOpcServerName.Size = new System.Drawing.Size(216, 32);
			this.bOpcServerName.TabIndex = 42;
			this.bOpcServerName.Text = "Opc Server Name";
			this.bOpcServerName.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// bOpcServerConnect
			// 
			this.bOpcServerConnect.Location = new System.Drawing.Point(312, 40);
			this.bOpcServerConnect.Name = "bOpcServerConnect";
			this.bOpcServerConnect.Size = new System.Drawing.Size(216, 32);
			this.bOpcServerConnect.TabIndex = 41;
			this.bOpcServerConnect.Text = "Opc Server Connect";
			this.bOpcServerConnect.Click += new System.EventHandler(this.bOpcServerConnect_Click);
			// 
			// AddBrowseTreeButton
			// 
			this.AddBrowseTreeButton.Location = new System.Drawing.Point(312, 112);
			this.AddBrowseTreeButton.Name = "AddBrowseTreeButton";
			this.AddBrowseTreeButton.Size = new System.Drawing.Size(216, 32);
			this.AddBrowseTreeButton.TabIndex = 46;
			this.AddBrowseTreeButton.Text = "Add Browse Tree";
			this.AddBrowseTreeButton.Click += new System.EventHandler(this.AddBrowseTreeButton_Click);
			// 
			// BrowseTree
			// 
			this.BrowseTree.BackColor = System.Drawing.Color.Yellow;
			this.BrowseTree.Location = new System.Drawing.Point(56, 112);
			this.BrowseTree.Name = "BrowseTree";
			this.BrowseTree.Size = new System.Drawing.Size(216, 32);
			this.BrowseTree.TabIndex = 45;
			this.BrowseTree.Text = "Add Browse Tree";
			this.BrowseTree.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// tOpcTreeView
			// 
			this.tOpcTreeView.ImageIndex = -1;
			this.tOpcTreeView.Location = new System.Drawing.Point(584, 40);
			this.tOpcTreeView.Name = "tOpcTreeView";
			this.tOpcTreeView.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
																					 new System.Windows.Forms.TreeNode("KEPware.KEPServerEx.V4")});
			this.tOpcTreeView.SelectedImageIndex = -1;
			this.tOpcTreeView.Size = new System.Drawing.Size(328, 176);
			this.tOpcTreeView.TabIndex = 47;
			// 
			// BrowseOpcTreeView
			// 
			this.BrowseOpcTreeView.ImageIndex = -1;
			this.BrowseOpcTreeView.ItemHeight = 14;
			this.BrowseOpcTreeView.Location = new System.Drawing.Point(584, 248);
			this.BrowseOpcTreeView.Name = "BrowseOpcTreeView";
			this.BrowseOpcTreeView.SelectedImageIndex = -1;
			this.BrowseOpcTreeView.Size = new System.Drawing.Size(328, 176);
			this.BrowseOpcTreeView.TabIndex = 48;
			// 
			// AddBrowseTree
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(1016, 741);
			this.Controls.Add(this.BrowseOpcTreeView);
			this.Controls.Add(this.tOpcTreeView);
			this.Controls.Add(this.AddBrowseTreeButton);
			this.Controls.Add(this.BrowseTree);
			this.Controls.Add(this.OpcServerDisConnect);
			this.Controls.Add(this.OpcServerRemove);
			this.Controls.Add(this.bOpcServerName);
			this.Controls.Add(this.bOpcServerConnect);
			this.Name = "AddBrowseTree";
			this.Text = "AddBrowseTree";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.AddBrowseTree_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new AddBrowseTree());
		}

		private void AddBrowseTree_Load(object sender, System.EventArgs e)
		{
		
		}

		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@                      Opc Connect Server                       @@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

		private void bOpcServerConnect_Click(object sender, System.EventArgs e)
		{
			OpcServerConnect() ;
		}

		private string tMachineString = "" ;
		private string tKEPServerExUrlString = "KEPware.KEPServerEx.V4" ;

		OpcServer tOpcServer = new OpcServer() ;

		private void OpcServerConnect()
		{
			tOpcServer.Connect( tMachineString, tKEPServerExUrlString );
			bOpcServerName.Text = tOpcServer.ServerName.ToString() ;
			OpcServerRemove.Text = tOpcServer.HostInfo.ToString() ;
		}

		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@                      Opc Add Browse Tree                      @@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

		//  HaiGrang.Package.OpcNetApiChs.DaNet.BrowseTree AddBrowseTree 
		//  ( System.Windows.Forms.TreeView tvServer )

		private BrowseTree tAddBrowseTree ;
		private TreeNode[] tBrowseOpcTreeNode ;

		private void AddBrowseTreeButton_Click(object sender, System.EventArgs e)
		{
			tAddBrowseTree = tOpcServer.AddBrowseTree(tOpcTreeView) ; 
			BrowseTree.Text = (tAddBrowseTree.Browse(out tBrowseOpcTreeNode)).ToString() ;
			int m = 0;
			BrowseOpcTreeView.Nodes.Clear();
			while (m < tBrowseOpcTreeNode.Length) 
			{
				BrowseOpcTreeView.Nodes.Add(new TreeNode(tBrowseOpcTreeNode[m].Text));
				m++;
			}
		}

		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@                    Opc DisConnect Server                      @@@@@@@@@@@@@@@@@@
		// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

		private void OpcServerDisConnect_Click(object sender, System.EventArgs e)
		{
			tOpcServer.Disconnect() ;
			OpcServerRemove.Text = "Opc Server Disconnect" ;
		}

	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	}
}