获取Windows中的本地计算机用户名列表

using System;
using System.Runtime.InteropServices;

public class LocalUserManager
{
    [DllImport("Netapi32.dll", CharSet = CharSet.Unicode)]
    private static extern int NetUserEnum(
        string serverName,
        int level,
        int filter,
        out IntPtr userInfo,
        int prefMaxLen,
        out int entriesRead,
        out int totalEntries,
        out int resumeHandle);

    [DllImport("Netapi32.dll")]
    private static extern int NetApiBufferFree(IntPtr buffer);

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    public struct USER_INFO_0
    {
        public string UserName;
    }

    public static string[] GetLocalUserNames()
    {
        const int NERR_Success = 0;
        const int MAX_PREFERRED_LENGTH = -1;
        const int FILTER_NORMAL_ACCOUNT = 0x0002;

        IntPtr userInfoPtr;
        int entriesRead, totalEntries, resumeHandle;

        int result = NetUserEnum(null, 0, FILTER_NORMAL_ACCOUNT, out userInfoPtr, MAX_PREFERRED_LENGTH,
            out entriesRead, out totalEntries, out resumeHandle);

        if (result != NERR_Success)
        {
            throw new Exception("Failed to retrieve local user names.");
        }

        string[] userNames = new string[entriesRead];
        IntPtr iter = userInfoPtr;

        for (int i = 0; i < entriesRead; i++)
        {
            USER_INFO_0 userInfo = (USER_INFO_0)Marshal.PtrToStructure(iter, typeof(USER_INFO_0));
            userNames[i] = userInfo.UserName;
            iter = (IntPtr)(iter.ToInt64() + Marshal.SizeOf(typeof(USER_INFO_0)));
        }

        NetApiBufferFree(userInfoPtr);

        return userNames;
    }
}

public class Program
{
    public static void Main()
    {
        try
        {
            string[] userNames = LocalUserManager.GetLocalUserNames();

            Console.WriteLine("Local User Names:");
            foreach (string userName in userNames)
            {
                Console.WriteLine(userName);
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}