Returns the receiver's cascade menu if it has one or null
if it does not. Only <code>CASCADE</code> menu items can have
a pull down menu. The sequence of key strokes, button presses
and/or button releases that are used to request a pull down
menu is platform specific.
@return the receiver's menu
@exception SWTException <ul>
<li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
<li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
</ul>
Returns the receiver's cascade menu if it has one or null if it does not. Only <code>CASCADE</code> menu items can have a pull down menu. The sequence of key strokes, button presses and/or button releases that are used to request a pull down menu is platform specific.
@return the receiver's menu
@exception SWTException <ul> <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> </ul>