C# ISO Oluşturma

DiscUtils

using DiscUtils.Iso9660;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace FileCount
{
    class Program
    {
        static void Main(string[] args)
        {
            string directoryPath = @"D:\test\";
            CreateIso("test", @"C:\Users\developer\Desktop\test.iso", directoryPath, new string[] { directoryPath });
            Console.ReadKey();
        }

        public static List<string> GetAllFiles(string directoryPath)
        {
            var result = new List<string>();
            if (Directory.Exists(directoryPath))
            {
                result.AddRange(Directory.GetFiles(directoryPath));
                foreach (var dir in Directory.GetDirectories(directoryPath))
                {
                    result.AddRange(GetAllFiles(dir));
                }
            }
            return result;
        }
        static string GetSubName(string rootDirectory, string path)
        {
            if (!path.StartsWith(rootDirectory))
                new ArgumentException("Given parameters are not in same root directory!");
            var output = path.Substring(rootDirectory.Length);
            if (output[0] == '\\')
                output = output.Substring(1);
            return output;
        }
        static void CreateIso(string volumeIdentifier, string output, string rootDirectory, string[] paths)
        {
            var builder = new CDBuilder();
            builder.UseJoliet = true;
            builder.VolumeIdentifier = volumeIdentifier;
            if (!Directory.Exists(rootDirectory))
                throw new DirectoryNotFoundException("The directory not found: " + rootDirectory);

            if (!paths.All(q => q.StartsWith(rootDirectory)))
                new ArgumentException("Given parameters are not in same root directory!");
            var files = new List<string>();
            foreach (var path in paths)
            {
                var fileAttr = File.GetAttributes(path);
                if (fileAttr.HasFlag(FileAttributes.Directory))

                    files.AddRange(GetAllFiles(path));
                else files.Add(path);
            }
            foreach (var file in files.Distinct())
            {
                builder.AddFile(GetSubName(rootDirectory, file), File.ReadAllBytes(file));
            }
            builder.Build(output);
        }
        
    }
}