Gtk = imports.gi.Gtk; Gdk = imports.gi.Gdk; Pango = imports.gi.Pango; XObject = imports.XObject.XObject; Gtk.init(null,null); _top=new XObject({xtype: Gtk.Window, "type":Gtk.WindowType.TOPLEVEL, "title":"Application Builder", "border_width":2, "id":"builder-0", "xtreepath":"0"}) ;_top.init(); _top.el.show_all(); Gtk.main();