Sent when an accessibility client requests the current character offset
of the text caret.
The default behavior is to do nothing.
<p>
Return the caret offset in the <code>offset</code>
field of the event object.
</p>
@param e an event object containing the following fields:<ul>
<li>childID IN - an identifier specifying a child of the control</li>
<li>offset OUT - the current offset of the text caret</li>
</ul>
Sent when an accessibility client requests the current character offset of the text caret. The default behavior is to do nothing. <p> Return the caret offset in the <code>offset</code> field of the event object. </p>
@param e an event object containing the following fields:<ul> <li>childID IN - an identifier specifying a child of the control</li> <li>offset OUT - the current offset of the text caret</li> </ul>