I'm trying to learn how to consume an "Annotation Layer" from the UWP Runtime. My first thought was to use the AnnotationLayer object in the same way that I had used "FeatureLayer" before.
Uri uri = new Uri(_AnnotationUri.ToString() + "/" + _AnnotationLayerId.ToString());
_AnnotationLayer = new AnnotationLayer(uri);
_AnnotationLayer.IsVisible = true;
However, this gives an error "invalid response" on the last line, with no further information. Am I doing this correctly?
I watched the traffic in Fiddler, and it seems that it is dropping off the layer id in the request uri. The response looks like a description of all the layers on the service, not just the one I was after. This would account for the "invalid response". But what is the correct way to load and display an Annotation Layer then?
Thanks for any help.