예제 #1
0
        public void Decrease(int value)
        {
            _amount -= value;
            if (_amount < 0)
            {
                _amount = 0;
            }

            AmountChanged.SafeInvoke(_amount);
        }
예제 #2
0
 public void Increase(int value)
 {
     _amount += value;
     AmountChanged.SafeInvoke(_amount);
 }