WinRTXamlToolkit.Controls.Calendar.OnFirstDayOfWeekChanged C# (CSharp) Method

        private static void OnFirstDayOfWeekChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            Calendar c = d as Calendar;
            Debug.Assert(c != null, "c should not be null!");

            if (IsValidFirstDayOfWeek(e.NewValue))
            {
                c.UpdateMonths();
            }
            else
            {
                throw new ArgumentOutOfRangeException("d", WinRTXamlToolkit.Controls.Properties.Resources.Calendar_OnFirstDayOfWeekChanged_InvalidValue);
            }
        }