Console.WriteLine(Environment.UserName); //计算机NetBIOS名称Console.WriteLine(Environment.MachineName); //计算机网络域名称Console.WriteLine(Environment.UserDomainName);

判断利用WindowsPrincipal来判断用户是否具有管理员权限，运行后用户账户控制会提示是否给予程序管理员权限。

 

 

using System;using System.Collections.Generic;using System.Linq;using System.Diagnostics;using System.Security.Principal; namespace Mgen.TTC{    class Program    {        static void Main()        {            WindowsPrincipal winPrincipal = new WindowsPrincipal(WindowsIdentity.GetCurrent());            bool admin = winPrincipal.IsInRole(WindowsBuiltInRole.Administrator);             if (!admin)            {                if (!RunUAC(Process.GetCurrentProcess().MainModule.FileName))                {                    Console.WriteLine("不是管理员");                    return;                }            }            Console.WriteLine("是管理员");         }         static bool RunUAC(string fileName)        {            ProcessStartInfo processInfo = new ProcessStartInfo();            processInfo.Verb = "runas";            processInfo.FileName = fileName;            try            {                Process.Start(processInfo);                return true;            }            catch (System.ComponentModel.Win32Exception)            { }            return false;        }      }}