This implementation of <code>dragOver</code> provides a default drag under effect
for the feedback specified in <code>event.feedback</code>. The class description
lists the FEEDBACK constants that are applicable to the class.
For additional information see <code>DropTargetAdapter.dragOver</code>.
Subclasses that override this method should call <code>super.dragOver(event)</code>
to get the default drag under effect implementation.
@param event the information associated with the drag over event
This implementation of <code>dragOver</code> provides a default drag under effect for the feedback specified in <code>event.feedback</code>. The class description lists the FEEDBACK constants that are applicable to the class.
For additional information see <code>DropTargetAdapter.dragOver</code>.
Subclasses that override this method should call <code>super.dragOver(event)</code> to get the default drag under effect implementation.
@param event the information associated with the drag over event
@see DropTargetAdapter @see DropTargetEvent @see DND#FEEDBACK_SELECT @see DND#FEEDBACK_SCROLL