Пример #1
0
        private static void OnMassPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            Body  body = (Body)d;
            float mass = (float)e.NewValue;

            if (mass < 0)
            {
                throw new ArgumentException("The Body Mass can not be less then zero.");
            }

            if (body._isInitialised)
            {
                body.CalculateMass(mass);
            }
        }