Hi, I define with glade a top_level_window, named 'Hauptfenster', inside of 'Hauptfenster' a vbox named 'vbox2', inside of 'vbox2 a alignment named 'alignment1', inside 'alignment1' a clist named 'clist1'. After a 'create_Hauptfenster()' I want to use gtk_clist_append(). How can I handle 'clist1'? Thanks Konrad Mader