AcManager.Pages.Dialogs.TrackGeoTagsDialog.GetQuery C# (CSharp) Метод

        private static string GetQuery(TrackObjectBase track) {
            return string.IsNullOrEmpty(track.City) && string.IsNullOrEmpty(track.Country) ? track.Name :
                    new[] { track.City, track.Country }.Where(x => x != null).JoinToString(@", ");
        }