private void InfoCost_OnChangeIsReturn() { IncomingsAndExpenses.First().ExpenseCompensation = Costs.Where(x => x.IsReturn).Sum(c => !c.IsIncoming ? c.Summ : 0); }
private void SummChange() { IncomingsAndExpenses.First().Incoming = Costs.Sum(c => c.IsIncoming ? c.Summ : 0); IncomingsAndExpenses.First().Expense = Costs.Sum(c => !c.IsIncoming ? c.Summ : 0); }