VB.NET / C# - How to Check if OS is 64-Bit or 32-Bit

The following snippet gives a hint :

        private void GetOSConfig()
        {
            string sProcess;
            if (Environment.Is64BitOperatingSystem  == true )
            {
                sProcess = "64 Bit";
            }
            {
                sProcess = "32 Bit";
            }
            Console.WriteLine("OS is {0}", sProcess  );
        }