Classes
 ClassDescription
 DocEvent This class containt the events and event method associated with documents (IAttachments) that are in the Portfolio.
 MarqueeSelectionEvent This class contains constants, an a constructor for supporting marquee selection (bounding box type selection) events.
 NavHostEvent This class support events based on setting or changing the Navigator host
 NavHostEventKind This class containt events of the NavHost kind.
 NavLayoutEvent This class supports events related to Navigator layouts
 NavPropertyEvent This class supports events related to Navigator properties and their contexts.