That's a Silverlight Viewer library, so might be better to post the question of the Viewer forum.
OK, cool. Never used that library before.
ESRI.ArcGIS.Client.Extensibility
Are you sure that is an ArcGIS API for Silverlight property?
MapApplication.Current.SelectedLayer will get you there.
Aangemelde leden kunnen berichten plaatsen, updates volgen en meer. Nieuw hier? Registreer een gratis account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.