ByteArrayHelpers is a class that contains useful methods to deal with System.Byte[] type.

ByteArrayHelpers

using System;
using System.Runtime.InteropServices;

namespace Konard.Helpers
{
    public static class ByteArrayHelpers
    {
        public static byte[] GetBytes<T>(T obj)
            where T : struct
        {
            int len = Marshal.SizeOf(obj);

            byte[] arr = new byte[len];

            IntPtr ptr = Marshal.AllocHGlobal(len);

            Marshal.StructureToPtr(obj, ptr, true);

            Marshal.Copy(ptr, arr, 0, len);

            Marshal.FreeHGlobal(ptr);

            return arr;
        }
        
        public static string GetString(byte[] bytes)
        {
            char[] chars = new char[bytes.Length / sizeof(char)];
            System.Buffer.BlockCopy(bytes, 0, chars, 0, bytes.Length);
            return new string(chars);
        }
    }
}