using Gtk; int main (string[] args) { Gtk.init (ref args); var window = new Window (); window.title = "roojspacker"; window.set_default_size (200, 200); window.destroy.connect (Gtk.main_quit); /* You can add GTK+ widgets to your window here. * See https://developer.gnome.org/ for help. */ window.show_all (); Gtk.main (); return 0; }