string 文字列を文字コードに変換する

namespace Tips_BitConverter

{

    using System;

    using System.Linq;

    class Program

    {

        static void Main(string[] args)

        {

            byte[] bytes;

            int int32;

            // bytes = { 0x78, 0x56, 0x34, 0x12 }

            int32 = 0x12345678;

            bytes = BitConverter.GetBytes(int32);

            PrintByteArray(bytes);

            // bytes = { 0x12, 0x34, 0x56, 0x78 }

            int32 = 0x78563412;

            bytes = BitConverter.GetBytes(int32);

            PrintByteArray(bytes);

            Console.ReadKey();

        }

        static void PrintByteArray(byte[] bytes)

        {

            var str = bytes.Select(x => "0x" + x.ToString("X2"));

            Console.WriteLine("Bytes = {{ {0} }}", string.Join(", ", str));

        }

    }

}