property NAVHostEvent.AsString as String
Gives a brief description of the event including its arguments.

TypeDescription
String A String expression that describes the event being fired including the event's name [event's identifier] { event's arguments }
The AsString property gives a general idea of what data the event contains. The Name property indicates the name of the event. The ID property indicates the identifier of the event. The Arguments property, gives a NAVObjectTemplate object, whose Item or Template properties can be used to access the event's argument using the x-script language. The AsString property may returns: "The trial/evaluation version of the control limits firing this event. In other words, using the trial/evaluation version won't fire the event every time it should.", only for not-registered version. The Version property specifies the NAVHost control's version, which includes the DEMO if you are running the trial version of the control.