private void Window_Loaded(object sender, RoutedEventArgs e)
{
image.Source = new BitmapImage();
List<string> args = new List<string>(Environment.GetCommandLineArgs());
args.RemoveAt(0);
args = args.Union(DirPictures()).ToList();
foreach (string a in args)
gallery.Add(a);
LoadPicture(gallery.Get());
}