using System;
using System.IO;

namespace BinaryWriterTest
{
    class Program
    {
        static void Main(string[] args)
        {
            /* Creating byte arrays */
            var byteArrayWorksSometimes = new byte[]
            {
                0x00, 0x00, 0x50, 0x00, 0x80
            };

            var byteArrayNeverWorks = new byte[]
            {
                0x00, 0x00, 0x50, 0x00, 0x30, 0x00, 0x02, 0x00, 0x20, 0x00, 0x00, 0x01, 0x00, 0x01, 0xFE, 0x02,
                0xFE, 0xA0, 0xA1, 0x00, 0x00, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
            };

            /* File Paths */
            var fileName1 = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Test1.bin");
            var fileName2 = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Test2.bin");

            /* Generate the files */
            Generate(byteArrayWorksSometimes, fileName1);
            Generate(byteArrayNeverWorks, fileName2);
        }

        public static void Generate(byte[] byteArray, string fileName)
        {
            /* Delete existing file, just in case */
            if (File.Exists(fileName))
                File.Delete(fileName);

            /* New writer */
            using (var binaryWriter = new BinaryWriter(File.Open(fileName, FileMode.Create)))
            {
                /* Write bytes */
                foreach (var b in byteArray)
                {
                    binaryWriter.Write(b);
                }
            }
        }
    }
}