private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     video            = business.NewVideo();
     this.DataContext = video;
     StartDownloadCheckBox.IsChecked = StartDownloadDefault;
     CategoryCombo.ItemsSource       = business.GetCategories(video.MediaTypeId);
 }
        private async void Window_Loaded(object sender, RoutedEventArgs e)
        {
            if (videoId != null)
            {
                video = business.GetVideoById(videoId.Value);
                if (video.MediaId == Guid.Empty)
                {
                    throw new InvalidDataException("This Media information has an invalid empty GUID.");
                }
            }
            else
            {
                video = business.GetVideoByFileName(fileName);
                if (video == null)
                {
                    video              = business.NewVideo();
                    video.FileName     = fileName;
                    video.MediaTypeId  = (int)EditVideoBusiness.GetFileType(fileName);
                    video.DownloadName = System.IO.Path.GetFileNameWithoutExtension(fileName);
                    isNew              = true;
                }
            }

            this.DataContext          = video;
            CategoryCombo.ItemsSource = business.GetCategories(video.MediaTypeId);
            Custom1Combo.ItemsSource  = business.GetCustomRatingCategories();
            Custom2Combo.ItemsSource  = Custom1Combo.ItemsSource;
            ratingBusiness            = business.GetRatings(video);
            RatingsGrid.DataContext   = ratingBusiness;
            EditRating_LostFocus(null, null);

            if (video.FileName != null)
            {
                if (File.Exists(Settings.NaturalGroundingFolder + video.FileName))
                {
                    await LoadMediaInfoAsync();
                }
                else
                {
                    // Try to auto-attach same path with different extension.
                    if (!EditPlaylistBusiness.AutoAttachFile(video, Path.ChangeExtension(video.FileName, null)))
                    {
                        fileNotFound   = true;
                        ErrorText.Text = "File not found.";
                    }
                }
            }
        }