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Azure Maps
An Azure service that provides geospatial APIs to add maps, spatial analytics, and mobility solutions to apps.
738 questions
It requires a bit more work to do, but is achievable. What you have to decide is if you want to see a preview as your dragging. If you do, do you want a preview of the actual route or will straight lines be good enough? If you want the actual route, then you will be generating a transaction against the routing service with each preview line which can quickly make this an expense feature. I've put together a code sample that uses straight lines as a preview here: https://azuremapscodesamples.azurewebsites.net/?sample=Draggable%20route%20lines