// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002189/bytearray-tobase64chararray

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        byte[] byteArray = new byte[256];

        char[] charArray  = new char[352];

        Console.WriteLine("A Byte array of arbitrary data.");

        Console.WriteLine();

        for (int x = 0; x < byteArray.Length; x++)

        {

            byteArray[x] = (byte)x;

            Console.Write("{0:X2} ", byteArray[x]);

            if (((x+1)%20) == 0) 

                Console.WriteLine();

        }

        Console.WriteLine();

        // C# Extension Method: ByteArray - ToBase64CharArray

        int charArrayLength = byteArray.ToBase64CharArray(0, byteArray.Length, charArray, 0);

        Console.WriteLine();

        Console.WriteLine("Convert the input Byte array to a Char array.");

        Console.WriteLine();

        for (int x = 0; x < charArray.Length; x++)

        {

            Console.Write("{0} ", charArray[x]);

            if (((x+1)%20) == 0) 

                Console.WriteLine();

        }

    }

}