/// <summary>
/// 判斷當(dāng)前操作用戶的管理角色
/// </summary>
public static void GetCurrentUserRole()
{
  AppDomain appDomain = System.Threading.Thread.GetDomain();
  appDomain.SetPrincipalPolicy(System.Security.Principal.PrincipalPolicy.WindowsPrincipal);
  System.Security.Principal.WindowsPrincipal wp = System.Threading.Thread.CurrentPrincipal as System.Security.Principal.WindowsPrincipal;
  bool IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.Guest);
  Console.Write("當(dāng)前用戶的角色是：");
  if (IsUser)
    Console.WriteLine("來賓");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.User);
  if (IsUser)
    Console.WriteLine("普通用戶");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.PowerUser);
  if (IsUser)
    Console.WriteLine("超級用戶");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator);
  if (IsUser)
    Console.WriteLine("系統(tǒng)管理員");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.SystemOperator);
  if (IsUser)
    Console.WriteLine("系統(tǒng)操作員");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.BackupOperator);
  if (IsUser)
    Console.WriteLine("備份操作員");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.PrintOperator);
  if (IsUser)
    Console.WriteLine("打印操作員");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.AccountOperator);
  if (IsUser)
    Console.WriteLine("賬戶操作員");
  IsUser = wp.IsInRole(System.Security.Principal.WindowsBuiltInRole.Replicator);
  if (IsUser)
    Console.WriteLine("復(fù)制程序員");
}