def METHOD_NAME(self,e):
    code = e.get_code();
    msgbox = e.get_target()
    if code == lv.EVENT.VALUE_CHANGED:
        txt = msgbox.get_active_btn_text()
        if txt:
            msgbox.close()
            self.g.focus_freeze(False)
            lv.group_focus_obj(self.t1.get_child(0))
            self.t1.scroll_to(0, 0, lv.ANIM.OFF)