C#编程

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Form1.cs：源码内容
							using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.DirectoryServices;
using DS = System.DirectoryServices;
using System.Collections.Specialized;
using System.Text;
namespace UserSearch
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
      private System.Windows.Forms.Label label1;
      private System.Windows.Forms.Label label2;
      private System.Windows.Forms.TextBox textBoxHostname;
      private System.Windows.Forms.TextBox textBoxUsername;
      private System.Windows.Forms.Label label3;
      private System.Windows.Forms.TextBox textBoxPassword;
      private System.Windows.Forms.GroupBox groupBox1;
      private System.Windows.Forms.Label label4;
      private System.Windows.Forms.ListBox listBoxProperties;
      private System.Windows.Forms.Label label5;
      private System.Windows.Forms.Label label6;
      private System.Windows.Forms.Label label7;
      private System.Windows.Forms.Label label8;
      private System.Windows.Forms.Label label9;
      private System.Windows.Forms.TextBox textBoxFilter;
      private System.Windows.Forms.Button buttonLoadProperties;
      private System.Windows.Forms.Button buttonSearch;
      private System.Windows.Forms.TextBox textBoxResults;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}
		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.textBoxPassword = new System.Windows.Forms.TextBox();
			this.label8 = new System.Windows.Forms.Label();
			this.textBoxFilter = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.textBoxUsername = new System.Windows.Forms.TextBox();
			this.label7 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.listBoxProperties = new System.Windows.Forms.ListBox();
			this.label3 = new System.Windows.Forms.Label();
			this.label9 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.buttonLoadProperties = new System.Windows.Forms.Button();
			this.textBoxResults = new System.Windows.Forms.TextBox();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.buttonSearch = new System.Windows.Forms.Button();
			this.textBoxHostname = new System.Windows.Forms.TextBox();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// textBoxPassword
			// 
			this.textBoxPassword.Location = new System.Drawing.Point(152, 56);
			this.textBoxPassword.Name = "textBoxPassword";
			this.textBoxPassword.PasswordChar = '*';
			this.textBoxPassword.Size = new System.Drawing.Size(120, 20);
			this.textBoxPassword.TabIndex = 1;
			this.textBoxPassword.Text = "";
			// 
			// label8
			// 
			this.label8.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label8.ForeColor = System.Drawing.SystemColors.HotTrack;
			this.label8.Location = new System.Drawing.Point(16, 352);
			this.label8.Name = "label8";
			this.label8.Size = new System.Drawing.Size(200, 23);
			this.label8.TabIndex = 7;
			this.label8.Text = "4. Enter the LDAP Filter";
			// 
			// textBoxFilter
			// 
			this.textBoxFilter.Location = new System.Drawing.Point(128, 384);
			this.textBoxFilter.Name = "textBoxFilter";
			this.textBoxFilter.Size = new System.Drawing.Size(200, 20);
			this.textBoxFilter.TabIndex = 4;
			this.textBoxFilter.Text = "(objectClass=user)";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(16, 384);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(72, 23);
			this.label4.TabIndex = 3;
			this.label4.Text = "Filter:";
			// 
			// label5
			// 
			this.label5.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label5.ForeColor = System.Drawing.SystemColors.HotTrack;
			this.label5.Location = new System.Drawing.Point(16, 8);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(288, 23);
			this.label5.TabIndex = 7;
			this.label5.Text = "1. Enter Domain Controller and Logon Information";
			// 
			// textBoxUsername
			// 
			this.textBoxUsername.Location = new System.Drawing.Point(152, 24);
			this.textBoxUsername.Name = "textBoxUsername";
			this.textBoxUsername.Size = new System.Drawing.Size(120, 20);
			this.textBoxUsername.TabIndex = 1;
			this.textBoxUsername.Text = "";
			// 
			// label7
			// 
			this.label7.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label7.ForeColor = System.Drawing.SystemColors.HotTrack;
			this.label7.Location = new System.Drawing.Point(16, 256);
			this.label7.Name = "label7";
			this.label7.Size = new System.Drawing.Size(104, 64);
			this.label7.TabIndex = 7;
			this.label7.Text = "3. Choose the Properties to Display";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(24, 48);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(144, 24);
			this.label1.TabIndex = 0;
			this.label1.Text = "Domain Contoller [optional]:";
			// 
			// listBoxProperties
			// 
			this.listBoxProperties.Location = new System.Drawing.Point(144, 256);
			this.listBoxProperties.Name = "listBoxProperties";
			this.listBoxProperties.SelectionMode = System.Windows.Forms.SelectionMode.MultiSimple;
			this.listBoxProperties.Size = new System.Drawing.Size(184, 82);
			this.listBoxProperties.TabIndex = 6;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(8, 56);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(96, 24);
			this.label3.TabIndex = 0;
			this.label3.Text = "Password:";
			// 
			// label9
			// 
			this.label9.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label9.ForeColor = System.Drawing.SystemColors.HotTrack;
			this.label9.Location = new System.Drawing.Point(16, 432);
			this.label9.Name = "label9";
			this.label9.Size = new System.Drawing.Size(128, 23);
			this.label9.TabIndex = 7;
			this.label9.Text = "5. Start the Search";
			// 
			// label6
			// 
			this.label6.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label6.ForeColor = System.Drawing.SystemColors.HotTrack;
			this.label6.Location = new System.Drawing.Point(16, 192);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(144, 23);
			this.label6.TabIndex = 7;
			this.label6.Text = "2. Load the Properties";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(120, 24);
			this.label2.TabIndex = 0;
			this.label2.Text = "Username:";
			// 
			// buttonLoadProperties
			// 
			this.buttonLoadProperties.Location = new System.Drawing.Point(192, 192);
			this.buttonLoadProperties.Name = "buttonLoadProperties";
			this.buttonLoadProperties.Size = new System.Drawing.Size(112, 32);
			this.buttonLoadProperties.TabIndex = 5;
			this.buttonLoadProperties.Text = "Load Properties";
			this.buttonLoadProperties.Click += new System.EventHandler(this.buttonLoadProperties_Click);
			// 
			// textBoxResults
			// 
			this.textBoxResults.Location = new System.Drawing.Point(376, 16);
			this.textBoxResults.Multiline = true;
			this.textBoxResults.Name = "textBoxResults";
			this.textBoxResults.ReadOnly = true;
			this.textBoxResults.ScrollBars = System.Windows.Forms.ScrollBars.Both;
			this.textBoxResults.Size = new System.Drawing.Size(344, 464);
			this.textBoxResults.TabIndex = 9;
			this.textBoxResults.Text = "";
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.textBoxUsername);
			this.groupBox1.Controls.Add(this.textBoxPassword);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Location = new System.Drawing.Point(24, 80);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(328, 96);
			this.groupBox1.TabIndex = 2;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "Logon [optional]";
			// 
			// buttonSearch
			// 
			this.buttonSearch.Location = new System.Drawing.Point(176, 424);
			this.buttonSearch.Name = "buttonSearch";
			this.buttonSearch.Size = new System.Drawing.Size(160, 64);
			this.buttonSearch.TabIndex = 8;
			this.buttonSearch.Text = "Search";
			this.buttonSearch.Click += new System.EventHandler(this.buttonSearch_Click);
			// 
			// textBoxHostname
			// 
			this.textBoxHostname.Location = new System.Drawing.Point(184, 48);
			this.textBoxHostname.Name = "textBoxHostname";
			this.textBoxHostname.Size = new System.Drawing.Size(160, 20);
			this.textBoxHostname.TabIndex = 1;
			this.textBoxHostname.Text = "";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(736, 517);
			this.Controls.Add(this.textBoxResults);
			this.Controls.Add(this.buttonSearch);
			this.Controls.Add(this.label9);
			this.Controls.Add(this.label8);
			this.Controls.Add(this.label7);
			this.Controls.Add(this.label6);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.listBoxProperties);
			this.Controls.Add(this.buttonLoadProperties);
			this.Controls.Add(this.textBoxFilter);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.textBoxHostname);
			this.Controls.Add(this.label1);
			this.Name = "Form1";
			this.Text = "User Search";
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);
		}
		#endregion
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
      private void buttonSearch_Click(object sender, System.EventArgs e)
      {
         try
         {
            FillResult();
         }
         catch (Exception ex)
         {
            MessageBox.Show("Check your input: " + ex.Message);
         }
      }
      private void buttonLoadProperties_Click(object sender, System.EventArgs e)
      {
         try
         {
            SetLogonInformation();
            SetNamingContext();
            SetUserProperties(schemaNamingContext);
         }
         catch (Exception ex)
         {
            MessageBox.Show("Check your inputs! " + ex.Message);
         }
      }
      protected string[] GetSchemaProperties(string schemaNamingContext, string objectType)
      {
         string[] data;
         using (DirectoryEntry de = new DirectoryEntry())
         {
            de.Username = username;
            de.Password = password;
			
            de.Path = "LDAP://" + hostname + "CN=" + objectType + "," + schemaNamingContext;
            DS.PropertyCollection properties = de.Properties;
            DS.PropertyValueCollection values = properties["systemMayContain"];
            data = new String[values.Count];
            values.CopyTo(data, 0);
         }
         return data;
      }
      protected void SetUserProperties(string schemaNamingContext)
      {
         StringCollection properties = new StringCollection();
         string[] data = GetSchemaProperties(schemaNamingContext, "User");
         properties.AddRange(GetSchemaProperties(schemaNamingContext, "Organizational-Person"));
         properties.AddRange(GetSchemaProperties(schemaNamingContext, "Person"));
         properties.AddRange(GetSchemaProperties(schemaNamingContext, "Top"));
        
         listBoxProperties.Items.Clear();
         foreach (string s in properties)
         {
            listBoxProperties.Items.Add(s);
         }
      }
      protected void SetNamingContext()
      {
         using (DirectoryEntry de = new DirectoryEntry())
         {
            string path = "LDAP://" + hostname + "rootDSE";
            de.Username = username;
            de.Password = password;
            de.Path = path;
            schemaNamingContext = de.Properties["schemaNamingContext"][0].ToString();
            defaultNamingContext = de.Properties["defaultNamingContext"][0].ToString();
         }
      }
      protected void SetLogonInformation()
      {
         username = (textBoxUsername.Text == "" ? null : textBoxUsername.Text);
         password = (textBoxPassword.Text == "" ? null : textBoxPassword.Text);
         hostname = textBoxHostname.Text;
         if (hostname != "") hostname += "/";
      }
      protected string[] GetProperties()
      {
         string[] properties = new string[listBoxProperties.SelectedItems.Count];
         int i=0;
         foreach (string s in listBoxProperties.SelectedItems)
         {
            properties[i++] = s;
         }
         return properties;
      }
      protected void FillResult()
      {
         using (DirectoryEntry root = new DirectoryEntry())
         {
            root.Username = username;
            root.Password = password;
            root.Path = "LDAP://" + hostname + defaultNamingContext;
            using (DirectorySearcher searcher = new DirectorySearcher())
            {
               searcher.SearchRoot = root;
               searcher.SearchScope = SearchScope.Subtree;
               searcher.Filter = textBoxFilter.Text;
               searcher.PropertiesToLoad.AddRange(GetProperties());
               SearchResultCollection results = searcher.FindAll();
               StringBuilder summary = new StringBuilder();
               foreach (SearchResult result in results)
               {
                  foreach (string propName in result.Properties.PropertyNames)
                  {
                     foreach (string s in result.Properties[propName])
                     {
                        summary.Append(" " + propName + ": " + s + "rn");
                     }
                  }
                  summary.Append("rn");
               }
               textBoxResults.Text = summary.ToString();
            }
         }
      }
      private string username;
      private string password;
      private string hostname;
      private string schemaNamingContext;
      private string defaultNamingContext;
	}
}

						