void submit (Ekiga::FormBuilder &builder) { gchar *cvalue = NULL; GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo)); GtkTreeIter iter; gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combo), &iter); gtk_tree_model_get (model, &iter, COLUMN_VALUE, &cvalue, -1); builder.single_choice (name, description, std::string (cvalue), choices, advanced); g_free (cvalue); }