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Get the current identity and its associated principal

using System; using System.Security.Principal; class MainClass {   public static void Main()    {     WindowsIdentity wi = WindowsIdentity.GetCurrent();          WindowsPrincipal prin = new WindowsPrincipal(wi);     Console.WriteLine("Principal information:");     Console.WriteLine("  Authentication Type: {0}", prin.Identity.AuthenticationType);     Console.WriteLine("  Is authenticated: {0}", prin.Identity.IsAuthenticated);     Console.WriteLine("  Name: {0}", prin.Identity.Name);   } } Principal information: Authentication Type: NTLM Is authenticated: True Name: RNTSOFT\Joe