Internationalization C#

using System;
using System.Text;
   class GetPreambleExampleClass
   {
      static void Main()
      {
         Encoding unicode = Encoding.Unicode;
         byte[] preamble = unicode.GetPreamble();
         if(preamble.Length >= 2)
         {
            if(preamble[0] == 0xFE && preamble[1] == 0xFF)
            {
               Console.WriteLine("encoding in big-endian order.");
            }
            else if(preamble[0] == 0xFF && preamble[1] == 0xFE)
            {
               Console.WriteLine("encoding in little-endian order.");
            }
         }
      }
   }