handle_event on_tri(wm::tri_click::arg a) {
...
return event_ex<wm::tri_click>().HANDLED_BY(&me::on_tri);
}
(b)
// assuming it comes from m_ok button
handle_event on_tri(m_ok_::ev::tri_click::arg a) {
...
return event_ex<m_ok_::ev::tri_click>().HANDLED_BY(&me::on_tri);
}