evas_object_size_hint_weight_set(en, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(en, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(bx0, en);
evas_object_show(en);
bt = elm_button_add(win);
evas_object_size_hint_weight_set(en, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(en, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(bx0, en);
evas_object_show(en);
bt = elm_button_add(win);