private bool IsIncludeAllCodes(RecieverCollection recievers) { return recievers.Cast<Reciever>().Any(r => r.SourceList.Count == 0); }
private IEnumerable<string> GetSourceCodesFromRecievers(RecieverCollection recievers) { return recievers.Cast<Reciever>().SelectMany(c => c.SourceList).Distinct(); }