I am assuming that you are using BingMapProvider. The BingMapProvider is based on Bing SOAP services. Microsoft stopped their SOAP services
so our BingMapProvider from R3 2016 is maked as obsolete and it is deleted from our suite in R1 2017. It was replaced with the BingMapRestProvider
which uses the REST services. You can download the latest version of our controls and you will be able to use the new rest provider. Also, you can take a look at the following resources:
Want to extend the target reach of your WPF applications, leveraging iOS, Android, and UWP? Try UI for Xamarin
, a suite of polished and feature-rich components for the Xamarin framework, which allow you to write beautiful native mobile apps using a single shared C# codebase.