  [tf_ycentered,tf_xcentered];
        <span style="color:navy"><b>PROPERTY</b></span> font: twidgetfont <span style="color:navy"><b>READ</b></span> getfont <span style="color:navy"><b>WRITE</b></span> setfont stored isfontstored;
        <span style="color:navy"><b>PROPERTY</b></span> onprogress: progresseventty <span style="color:navy"><b>READ</b></span> fonprogress <span style="color:navy"><b>WRITE</b></span> fonprogress;
        <span style="color:navy"><b>PROPERTY</b></span> onfinished: progresseventty