private async void Window_Loaded(object sender, RoutedEventArgs e)
{
await SessionCore.Instance.Business.SetEditorModeAsync(true);
timerChangeFilters = new DispatcherTimer();
timerChangeFilters.Interval = TimeSpan.FromSeconds(1);
timerChangeFilters.Tick += timerChangeFilters_Tick;
this.DataContext = MediaList.Settings;
RatingCategoryCombo.ItemsSource = await MediaList.business.GetRatingCategoriesAsync(true);
// Load categories list.
await MediaList.LoadDataAsync();
// Auto-attach files.
await MediaList.ManualLoadPlaylist();
await LoadMediaInfoAsync();
isLoaded = true;
}