browsesampleform.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 BrowseSample
{
	/// <summary>
	/// BrowseSample 的摘要说明。
	/// </summary>
	
	public class BrowseSample : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ComboBox pOPCServers;
		private System.Windows.Forms.Button pBrowseOPCServers;
		
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		
		private System.ComponentModel.Container components = null;

		public BrowseSample()
		{
			//
			// 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( 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.pOPCServers = new System.Windows.Forms.ComboBox();
			this.pBrowseOPCServers = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// pOPCServers
			// 
			this.pOPCServers.DropDownStyle = System.Windows.Forms.ComboBoxStyle.Simple;
			this.pOPCServers.Font = new System.Drawing.Font("Microsoft Sans Serif", 7F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.pOPCServers.Location = new System.Drawing.Point(64, 48);
			this.pOPCServers.Name = "pOPCServers";
			this.pOPCServers.Size = new System.Drawing.Size(416, 544);
			this.pOPCServers.Sorted = true;
			this.pOPCServers.TabIndex = 6;
			this.pOPCServers.Text = "OPC Servers Name";
			// 
			// pBrowseOPCServers
			// 
			this.pBrowseOPCServers.Location = new System.Drawing.Point(512, 48);
			this.pBrowseOPCServers.Name = "pBrowseOPCServers";
			this.pBrowseOPCServers.Size = new System.Drawing.Size(153, 25);
			this.pBrowseOPCServers.TabIndex = 5;
			this.pBrowseOPCServers.Text = "Browse OPC Servers";
			this.pBrowseOPCServers.Click += new System.EventHandler(this.pBrowseOPCServers_Click);
			// 
			// BrowseSample
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(1016, 741);
			this.Controls.Add(this.pOPCServers);
			this.Controls.Add(this.pBrowseOPCServers);
			this.Name = "BrowseSample";
			this.Text = "BrowseSample";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.BrowseSample_Load);
			this.ResumeLayout(false);

		}
		#endregion

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

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

		private void pBrowseOPCServers_Click(object sender, System.EventArgs e)
		{
			OpcBrowseOPCServers() ;
		}

		private void OpcBrowseOPCServers()
		{
			pOPCServers.Items.Clear();
			this.Update();
			OpcServerBrowser SrvList = new OpcServerBrowser();
			string[] Servers = null ;

			SrvList.GetServerList( true, true, out Servers );
			if( Servers != null )
			{
				pOPCServers.Items.AddRange( Servers );
				pOPCServers.SelectedIndex = 0 ;
			}
		}













	}
}