ref="../../String.html">String</a></span>):<a class="type" title="Bool - The standard Boolean type, which can either be true or false." href="../../Bool.html">Bool</a></code></h3><div class="doc"><p>Checks whether the EventDispatcher object has any listeners registered for
a specific type of event. This allows you to determine where an
EventDispatcher object has altered handling of an event type in the event
flow hierarchy. To determine whether a specific event type actually
triggers an event listener, use 