private async Task InitializeAsync() { // Load the default photo meanwhile. var source = new BufferProviderImageSource(PreloadedImages.Woman.AsBufferProvider()); SourcePreviewBitmap = await LoadPhotoInternalAsync(source).ConfigureAwait(false); RaiseSourcePreviewAvailable(); // Wait for the image processors. await GetImageProcessorsAsync().ConfigureAwait(false); // Now render the thumbnails showing the available imageprocessors. UpdateThumbnailsAsync(); }