EventPortDelete is a strategy that handles erasing of a <q ref="core.gml:EventPort">EventPort</q> from a <q ref="core.gml:Unit">Unit</q>. It results in marking all the navigation links relating to this event, as invalid. <font color="red"> This class is in progress, and is not working yet!!! </font><q ref="core.gml:ChangeStrategy">ChangeStrategy</q>(c) SAP AG 2003-2006. All rights reserved.