Blacker.Scraper.Downloader.Downloader C# (CSharp) Метод

        public Downloader(Func<IChapterRecord, IDictionary<int, string>> pagesResolver, Func<string, string> imageFinder)
        {
            if (pagesResolver == null)
                throw new ArgumentNullException("pagesResolver");
            if (imageFinder == null)
                throw new ArgumentNullException("imageFinder");

            _pageResolver = pagesResolver;
            _imageFinder = imageFinder;

            _backgroundWorker = new BackgroundWorker();
            _backgroundWorker.WorkerReportsProgress = true;
            _backgroundWorker.WorkerSupportsCancellation = true;
            _backgroundWorker.DoWork += _backgroundWorker_DoWork;
            _backgroundWorker.RunWorkerCompleted += _backgroundWorker_RunWorkerCompleted;
            _backgroundWorker.ProgressChanged += _backgroundWorker_ProgressChanged;
        }