using System;

public class Program

{

    public static void Main()

    {

        Guid guid = Guid.NewGuid();

        Console.WriteLine(guid);

        byte[] gb = guid.ToByteArray();

        int i = BitConverter.ToInt32(gb,0);

        Console.WriteLine(i.ToString());

​

        byte[] gbConversion = guid.ToByteArray();

        BitConverter.GetBytes(i).CopyTo(gbConversion, 0);

        Console.WriteLine(new Guid(gbConversion));

​

        long l = BitConverter.ToInt64(gb,0);

        Console.WriteLine(l.ToString());

    }

}