win10 UWP 显示地图

            //需要using Windows.Devices.Geolocation;
            var access = await Windows.Devices.Geolocation.Geolocator.RequestAccessAsync();
            switch (access)
            {
                case GeolocationAccessStatus.Unspecified:
                    //定位未开启提示是否跳转到 设置 页面            
                    return;
                case GeolocationAccessStatus.Allowed:           //允许获取          
                    break;
                case GeolocationAccessStatus.Denied:            //不允许获取位置信息时 给予提示 然后根据情况选择是否跳转到 设置 界面           
                    await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings://privacy/location"));
                    return;
                default:
                    break;
            }
            var gt = new Geolocator();
            var position = await gt.GetGeopositionAsync();  //以前的position.Coordinate.Latitude 方法在UWP中已经过时，不再推荐使用    
                                                            //var latiude = position.Coordinate.Latitude;   
            map.Center = position.Coordinate.Point;
            map.ZoomLevel = 10;