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

        public virtual void DownloadChapterAsync(ISemaphore semaphore, IChapterRecord chapter, string outputFolder, IDownloadFormatProvider formatProvider)
        {
            if (_backgroundWorker.IsBusy)
                throw new InvalidOperationException("Download is currently in progress.");

            if (semaphore == null)
                throw new ArgumentNullException("semaphore");
            if (chapter == null)
                throw new ArgumentNullException("chapter");
            if (String.IsNullOrEmpty(outputFolder))
                throw new ArgumentException("Output folder must not be null or empty.", "outputFolder");
            if (formatProvider == null)
                throw new ArgumentNullException("formatProvider");

            var workerParams = new WorkerParams()
            {
                Chapter = chapter,
                Semaphore = semaphore,
                OutputFolder = outputFolder,
                FormatProvider = formatProvider
            };

            _backgroundWorker.RunWorkerAsync(workerParams);
        }