Control.addMouseWheelListener(
MouseWheelListener listener)
Adds the listener to the collection of listeners who will
be notified when the mouse wheel is scrolled, by sending
it one of the messages defined in the
MouseWheelListener interface.
void
Control.removeMouseWheelListener(
MouseWheelListener listener)
Removes the listener from the collection of listeners who will
be notified when the mouse wheel is scrolled.