Constructs a new instance of this class based on the information in the given untyped event.
the display where the event occurred
the widget that issued the event
the time that the event occurred.
a field for application use
Returns the name of the event. This is the name of the class without the module name.
Returns a string containing a concise, human-readable description of the receiver.
Instances of this class are sent as a result of help being requested for a widget.
@see HelpListener @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>