Windows phoneのnutiteq sdkに問題があります。
string onlineTiles = "http://tile.tgt72.ru/{zoom}/{x}/{y}.png";
var tileDataSource = new HTTPTileDataSource(1,10, onlineTiles);
このコードは NullReferenceException を発生させます。
{System.NullReferenceException: Object reference not set to an instance of an object.
at Nutiteq.DataSources.HTTPTileDataSource.SwigDerivedClassHasMethod(String methodName, Type[] methodTypes)
at Nutiteq.DataSources.HTTPTileDataSource.SwigDirectorConnect()
at Nutiteq.DataSources.HTTPTileDataSource..ctor(Int32 minZoom, Int32 maxZoom, String baseURL)
at CityTransportWP.MapPage.ApplySourceForMap()
at CityTransportWP.MapPage.InitMap()
at CityTransportWP.MapPage..ctor()
at CityTransportWP.CityTransportWP_XamlTypeInfo.XamlTypeInfoProvider.Activate_3_MapPage()
at CityTransportWP.CityTransportWP_XamlTypeInfo.XamlUserType.ActivateInstance()}