private void buttonAutoBright_Click(object sender, RoutedEventArgs e) { WriteableBitmap b = null; if (pc.SelectLayer != null) { b = pc.SelectLayer.getPhoto(); } if (b != null) { DCTestLibrary.PhotoTest pt = new DCTestLibrary.PhotoTest(); b = pt.AutoBright(b); pc.SelectLayer.setPhoto(b, pc.ScalePercent); } }