public void CheckWishList(List <Realty> realties) { try { Console.WriteLine("Write client's index:"); int indexOfClient = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Write realty's index:"); int indexOfRealty = Convert.ToInt32(Console.ReadLine()); if (clientManagement.ShowClients[indexOfClient].WishList == null) { Console.WriteLine("List of propositions is emplty!!!"); Console.WriteLine("You should fill it!"); CreateWishList(realties); } bool check = clientManagement.Check(realties[indexOfRealty], indexOfClient); if (check) { Console.WriteLine("List of propositions contains this object"); } else { Console.WriteLine("List of propositions doesn't contain this object"); } } catch (Exception ex) { Console.WriteLine(ex.Message); } }