ventty <span style="color:navy"><b>READ</b></span> fonbeforeactivate
                                <span style="color:navy"><b>WRITE</b></span> fonbeforeactivate;
        <span style="color:navy"><b>PROPERTY</b></span> onactivateerror: activateerroreventty <span style="color:navy"><b>READ</b></span> fonactivateerror
                                        <span style="color:navy"><b>WRITE</b></span> fonactivateerror;
        <span style="color:navy"><b>PROPERTY</b></span> onabort: activatoraborteventty <s