Internet/网络编程

开发平台：
C#

frmSearch.cs：源码内容
							namespace Client				// Copyright 2001 Dreamtech Software India Inc.
{								// All rights reserved
    using System;				// Provides the basic functionality of .NET
	using System.Drawing;		// Provides the Drawing features, Used for cursors
    using System.Windows.Forms;		// Provides the darwing of buttons, listviews etc	
	using System.Collections;	// Provides the different type of class collections
    using System.ComponentModel;// Provides the facility of using components
	/// <summary>
    ///    Summary description for frmSearch.
    /// </summary>
    public class frmSearch : System.Windows.Forms.Form
    {
		private System.ComponentModel.IContainer components;
		public System.Windows.Forms.TextBox txtSearchFor;
		public System.Windows.Forms.Label lblSearchFor;
		private System.Windows.Forms.ToolTip toolTipText;
		private System.Windows.Forms.Button btnCancel;
		private System.Windows.Forms.Button btnSearch;
		public System.Windows.Forms.TextBox txtSearchOn;
		public System.Windows.Forms.Label lblSearchOn;
		/// <summary>
		/// The below variables are user defined variables
		/// used to store various transient values.
		/// </summary>
		public string	SearchOn;		// Stores the value for first search scope
		public string	SearchFor;
		private System.Windows.Forms.Label lblCopyright;		// Stores the value for second search scope
		public bool		bFlag;			// Determines whether to perform SearchOn validation or not
		/// <summary>
        /// Default constructor of the class
        /// </summary>
		public frmSearch()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();		// auto generated line by the IDE
        }
        /// <summary>
        ///    Clean up any resources being used.
        ///    This function is auto generated by the IDE
        /// </summary>
        public override void Dispose()
        {
            base.Dispose();
            components.Dispose();
        }
        /// <summary>
        ///    Required method for Designer support - do not modify
        ///    the contents of this method with the code editor.
        ///    This function is auto generated by the IDE
        /// </summary>
        private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			this.lblSearchFor = new System.Windows.Forms.Label();
			this.toolTipText = new System.Windows.Forms.ToolTip(this.components);
			this.txtSearchOn = new System.Windows.Forms.TextBox();
			this.txtSearchFor = new System.Windows.Forms.TextBox();
			this.btnSearch = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.lblSearchOn = new System.Windows.Forms.Label();
			this.lblCopyright = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// lblSearchFor
			// 
			this.lblSearchFor.Location = new System.Drawing.Point(13, 55);
			this.lblSearchFor.Name = "lblSearchFor";
			this.lblSearchFor.Size = new System.Drawing.Size(63, 13);
			this.lblSearchFor.TabIndex = 4;
			this.lblSearchFor.Text = "Search for :";
			// 
			// txtSearchOn
			// 
			this.txtSearchOn.Enabled = false;
			this.txtSearchOn.Location = new System.Drawing.Point(80, 26);
			this.txtSearchOn.Name = "txtSearchOn";
			this.txtSearchOn.Size = new System.Drawing.Size(199, 20);
			this.txtSearchOn.TabIndex = 0;
			this.txtSearchOn.Text = "";
			this.toolTipText.SetToolTip(this.txtSearchOn, "Write the search criteria here (For ex:  *, A* or HAR* etc. for matching computer" +
				"names)");
			// 
			// txtSearchFor
			// 
			this.txtSearchFor.Location = new System.Drawing.Point(80, 53);
			this.txtSearchFor.Name = "txtSearchFor";
			this.txtSearchFor.Size = new System.Drawing.Size(199, 20);
			this.txtSearchFor.TabIndex = 1;
			this.txtSearchFor.Text = "";
			this.toolTipText.SetToolTip(this.txtSearchFor, "Write the search criteria here (For ex:  *, A* or HAR* etc. for matching Filename" +
				"s)");
			// 
			// btnSearch
			// 
			this.btnSearch.BackColor = System.Drawing.Color.Chocolate;
			this.btnSearch.DialogResult = System.Windows.Forms.DialogResult.OK;
			this.btnSearch.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.btnSearch.ForeColor = System.Drawing.Color.White;
			this.btnSearch.Location = new System.Drawing.Point(79, 88);
			this.btnSearch.Name = "btnSearch";
			this.btnSearch.Size = new System.Drawing.Size(90, 32);
			this.btnSearch.TabIndex = 2;
			this.btnSearch.Text = "&Search";
			this.toolTipText.SetToolTip(this.btnSearch, "Performs search operation");
			this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			// 
			// btnCancel
			// 
			this.btnCancel.BackColor = System.Drawing.Color.Chocolate;
			this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnCancel.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.btnCancel.ForeColor = System.Drawing.Color.White;
			this.btnCancel.Location = new System.Drawing.Point(189, 88);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.Size = new System.Drawing.Size(90, 32);
			this.btnCancel.TabIndex = 3;
			this.btnCancel.Text = "&Cancel";
			this.toolTipText.SetToolTip(this.btnCancel, "Cancel the search and close this window");
			// 
			// lblSearchOn
			// 
			this.lblSearchOn.Enabled = false;
			this.lblSearchOn.Location = new System.Drawing.Point(13, 28);
			this.lblSearchOn.Name = "lblSearchOn";
			this.lblSearchOn.Size = new System.Drawing.Size(63, 13);
			this.lblSearchOn.TabIndex = 0;
			this.lblSearchOn.Text = "Search on :";
			// 
			// lblCopyright
			// 
			this.lblCopyright.Location = new System.Drawing.Point(93, 5);
			this.lblCopyright.Name = "lblCopyright";
			this.lblCopyright.Size = new System.Drawing.Size(192, 14);
			this.lblCopyright.TabIndex = 5;
			this.lblCopyright.Text = "

						