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我必须列出所有用户(本地系统和域)。我尝试使用 WQL,但程序运行需要很长时间。有没有其他方法可以从注册表中获取它?任何帮助,将不胜感激。

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using System;
using System.Collections.Generic;
using System.DirectoryServices;
namespace ListADUsers.ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Clear();
            IList<String> userList = new List<String>();
            int badEntries = 0;
            string domainName = String.Empty;
            if (args.Length > 0)
                domainName = args[0];
            else
            {
                Console.Write("\nPlease enter your Active Directory domain name: ");
                domainName = Console.ReadLine();
            }
            Console.Write(String.Format("\nAttempting to build user list for {0} ...\n\n", domainName));
            try
            {
                if (!String.IsNullOrEmpty(domainName))
                {
                    DirectoryEntry myDirectoryEntry = new DirectoryEntry(String.Format("LDAP://{0}", domainName));
                    DirectorySearcher mySearcher = new DirectorySearcher(myDirectoryEntry);
                    SortOption mySort = new SortOption("sn", SortDirection.Ascending);
                    mySearcher.Filter = ("(objectCategory=person)");
                    mySearcher.Sort = mySort;
                    foreach (SearchResult resEnt in mySearcher.FindAll())
                    {
                        try
                        {
                            if (!String.IsNullOrEmpty(resEnt.Properties["Mail"][0].ToString())
                                && System.Text.RegularExpressions.Regex.IsMatch(resEnt.Properties["DisplayName"][0].ToString(), " |admin|test|service|system|[$]", System.Text.RegularExpressions.RegexOptions.IgnoreCase)
                                )
                                {
                                    int space = resEnt.Properties["DisplayName"][0].ToString().IndexOf(" ");
                                    string formattedName = String.Format("{0}{1}{2}",
                                        resEnt.Properties["DisplayName"][0].ToString().Substring(space).PadRight(25),
                                        resEnt.Properties["DisplayName"][0].ToString().Substring(0, space).PadRight(15),
                                        resEnt.Properties["Mail"][0].ToString()
                                        );
                                    userList.Add(formattedName);
                                }
                        }
                        catch
                        {
                            badEntries++;
                        }
                    }
                    if (userList.Count > 0)
                    {
                        Console.WriteLine(String.Format("=========== Listing of users in the {0} domain\n", domainName));
                        Console.WriteLine(String.Format("{0}{1}{2}", "Surname".PadRight(25), "First Name".PadRight(15), "Email Address\n"));
                        for (int i = 0; i < userList.Count - 1; i++)
                            Console.WriteLine(userList[i].ToString());
                        Console.WriteLine(String.Format("\n=========== {0} users found in the {1} domain", userList.Count.ToString(), domainName));
                    }
                    else
                        Console.WriteLine(String.Format("\n=========== 0 users found in the {0} domain", userList.Count.ToString()));
                    Console.WriteLine(String.Format("=========== {0} objects could not be read", badEntries.ToString()));
                    Console.WriteLine("=========== End of Listing");
                }
                else
                {
                    Console.WriteLine("Please enter a domain name next time!");
                }
            }
            catch (Exception ex)
            {
                // in a production app you wouldn't show the user the exception details
                Console.Write(String.Format("A critical error occurred.\nDetails: {0}", ex.Message.ToString()));
            }
        }
    }
}

下载示例应用程序:列出 AD 用户的示例应用程序

来源:跟进 - 列出活动目录用户 - 这次是 C#

于 2009-10-01T09:11:33.447 回答