private long getLastSyncedDateForKind(KindName kindName) { var db = new CloudLocalStore(kindName); var entity = db.GetLatestEntity(); if (entity == null || string.IsNullOrWhiteSpace(entity.Id)) { return(new DateTime(1900, 01, 01, 0, 0, 0, 1, DateTimeKind.Local).ToBinary()); } return(entity.EditDate); }