public void RemovePayer(Person person) { Payer payer = GetPayer(person); if (payer != null) { Payers.Remove(payer); RecountDebtorsData(); } }
public void AddPayer(Person person, double payment) { if (!IsPersonInPayers(person)) { Payer payer = new Payer(person, payment); Payers.Add(payer); } else { GetPayer(person).Payment = payment; } RecountDebtorsData(); }