Internationalization C# Tutorial

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using System;
using System.IO;
using System.Text;
class MainClass
{
    public static void Main() 
    {
        // Get a byte representation of the int.
        byte[] b = BitConverter.GetBytes(123);
        // Return the Base64-encoded int.
        string str =  Convert.ToBase64String(b);
        Console.WriteLine(str);
        
        b = Convert.FromBase64String(str);
        // Return the decoded int.
        int i =  BitConverter.ToInt32(b,0);
        
        Console.WriteLine(i);
    }
}
ewAAAA==
123