OverviewMapView Events | 
The OverviewMapView type exposes the following members.
| Name | Description | |
|---|---|---|
| ViewportBeginChanged |  Event indicating the beginning of a change of the visible map section. This event is intended for
            more longtime actions (for example reading DB-objects), when the map section will change.   (Inherited from MapView.) | |
| ViewportEndChanged |  Event indicating the ending of a change of the visible map section. It is the counterpart of the
             event.   (Inherited from MapView.) | |
| ViewportWhileChanged |  Event indicating an intermediate view, when animation mode is active. It can be used to adapt the
            size of WPF objects, or other actions, which are not time-consuming. This event may called multiple times,
            when animation mode is active.   (Inherited from MapView.) |