public FlickrDriveSynchronizerTestExtend(IDriveEnumerator drive_enum, IFolderEnumerator folder_enum, IFlickrConnect flickr_connect)
     : base(drive_enum, folder_enum, flickr_connect)
 {
 }
 public FlickrDriveSynchronizer(IDriveEnumerator drive_enum, IFolderEnumerator folder_enum, IFlickrConnect flickr_connect)
 {
     m_drive_enum = drive_enum;
     m_folder_enum = folder_enum;
     m_flickr_connect = flickr_connect;
 }
        public VideoComponentsViewModel(IFolderEnumerator enumerator)
        {
            List <VideoComponent> categories = enumerator.Enumerate();

            this.VideoComponents = new ObservableCollection <VideoComponent>(categories);
        }