Classes which implement this interface provide methods
that deal with the hiding and showing of menus.
<p>
After creating an instance of a class that :
this interface it can be added to a menu using the
<code>addMenuListener</code> method and removed using
the <code>removeMenuListener</code> method. When the
menu is hidden or shown, the appropriate method will
be invoked.
</p>
Classes which implement this interface provide methods that deal with the hiding and showing of menus. <p> After creating an instance of a class that : this interface it can be added to a menu using the <code>addMenuListener</code> method and removed using the <code>removeMenuListener</code> method. When the menu is hidden or shown, the appropriate method will be invoked. </p>
@see MenuAdapter @see MenuEvent