ArtOfWords.Models.Salesman.AdsDownloader.DoNextStep C# (CSharp) Méthode

        private void DoNextStep()
        {
            switch (_state)
            {
                case DownloadState.None:
                    StartXmlDownloading();
                    break;
                case DownloadState.XmlDownloading:
                    StartImageDownloading();
                    break;
                case DownloadState.ImageDownloading:
                    FinishDownloading();
                    break;
            }
        }