private void displacementSelector_PictureClicked(PictureAndThumbnailPair e) { WebcamWithPreview camp = confWebcam.SelectedItem as WebcamWithPreview; if ((m_takePictureWithPreviewAsync != null) && (camp != null)) { camp.DisplacementMap = e.Picture.Length == 0 ? null : new Bitmap(e.Picture); } }