private void OnPhotoCameraInitialized(object sender, CameraOperationCompletedEventArgs e) { int width = Convert.ToInt32(_photoCamera.PreviewResolution.Width); int height = Convert.ToInt32(_photoCamera.PreviewResolution.Height); this._luminance = new PhotoCameraLuminanceSource(width, height); this._reader = new BarcodeReader(); _reader.Options.TryHarder = true; Dispatcher.BeginInvoke(() => _previewTransform.Rotation = _photoCamera.Orientation); _photoCamera.Resolution = _photoCamera.AvailableResolutions.First(); _isInitialized = true; }