mine.vala

using Gtk;

int main(string[] args) {
  Gtk.init (ref args);

  try {
    var builder = new Builder ();
    builder.add_from_file ("crux.glade");

    var window = builder.get_object ("other_window") as Window;
    window.show_all ();

    Gtk.main ();
  } catch (Error e) {
    return 1;
  }

  return 0;
}