ven at all to allow event to be generated</p><h4><a name="returns"></a>Returns</h4><p>Nothing.</p><h4><a name="description"></a>Description</h4><p>Method; This method is used to programmatically invoke an action of the component based on
the event passed in.  When a user invokes an action, like presses a button, the button
generates an onPress event.  This method does the opposite -- given an onPress event, this
the method visually depresses the button.  This is typically used to simulate the user invoking 