private void GetAllCamerasAroundPoint()
        {
            var client = new ServiceLayerClient();
            var task   = client.GetNearByCamerasByLatLonAsync(GeneralLocation.Longitude, GeneralLocation.Latitude);
            var obs    = task.ToObservable();

            obs.Subscribe((x) => AddNearCameras(x == null ? new List <AssetsViewDTO>() : x.ToList()));
        }
        private void GetAllCamerasAroundPoint()
        {
            //get values here
            var client = new ServiceLayerClient();
            var task   = client.GetNearByCamerasByLatLonAsync(Longitude, Latitude);
            var obs    = task.ToObservable();

            obs.Subscribe((x) => AddNearCameras(x == null ? new List <AssetsViewDTO>() : x.ToList()));
            //return new ObservableCollection<AssetsViewDTO>();
        }