>invalidateNow</code> does.
                  </p></div>
<a name="getFocus()"></a>
<table cellspacing="0" cellpadding="0" class="detailHeader">
<tr>
<td class="detailHeaderName">getFocus</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td>
</tr>
</table>
<div class="detailBody">
<code>public function getFocus():InteractiveObject</code><p>
         Retrieves the object that currently has focus. 
                  </p><p>Note that t