using System;

using System.Linq;

​

public static class testclass

{

    public static int[] MessageTypes;

}

public class Program

{

    public static void Main()

    {

       // var arr = Array.Empty<int>();

       // testclass.MessageTypes.Where(messageType => messageType < 100).ToArray();

        var guidBefore = Guid.NewGuid();

        var bytes = guidBefore.ToByteArray();

        var uid = Base64Encode(bytes).TrimEnd('=');

        Console.WriteLine(uid);

        var afterGuid = BackToGuid(uid).ToString();

        Console.WriteLine("Guid before: " + guidBefore);

        Console.WriteLine("array : " + uid);

        Console.WriteLine("Guid after: " + afterGuid);

        Console.WriteLine("Restore from Base64 : " + (guidBefore.ToString()==afterGuid.ToString()?"PASSED": "FAILED"));

        Console.WriteLine("New Array Length: " + uid.Length);

    }

    public static string Base64Encode(byte[] bytes) 

    {

         return System.Convert.ToBase64String(bytes);

    }

    public static Guid BackToGuid(string code)

    {

        var addPedding = $"{code}==";

        var reconstructedGuid = new Guid(Convert.FromBase64String(addPedding));

        Console.WriteLine($"Restored GUID: {reconstructedGuid.ToString()}");

        return reconstructedGuid;

    }

}

​

​