WindowsBuiltInRole.Administrator : Windows Principal : Windows C# Source Code

    

using System;
using System.Security.Principal;

class Class1
{
    static void Main()
  {   
    WindowsIdentity wi = WindowsIdentity.GetCurrent();
    WindowsPrincipal wp = new WindowsPrincipal(wi);

        if (wp.IsInRole(WindowsBuiltInRole.Administrator))
      Console.WriteLine("Your are an Administrator!");
    else
      Console.WriteLine("You are not an Administrator.");

    if (wp.IsInRole("POWERHOUSE\\Developer"))
      Console.WriteLine("You are in the Developer group!");
    else
      Console.WriteLine("You are not in the Developer group.");
  }
}