// in theory you can not add a window to anything.. ???
//if ('Gtk.Window' == addable_type || methods[addable_type].extendsClasses.indexOf('Gtk.Window') > -1) {
// return;
// in theory you can not add a window to anything.. ???
//if ('Gtk.Window' == addable_type || methods[addable_type].extendsClasses.indexOf('Gtk.Window') > -1) {
// return;