public void MonthCalendarAccessibleObject_MaxDate_IsExpected(DateTime maxDate) { using MonthCalendar monthCalendar = new(); monthCalendar.MaxDate = maxDate; var accessibleObject = (MonthCalendarAccessibleObject)monthCalendar.AccessibilityObject; Assert.Equal(DateTimePicker.EffectiveMaxDate(maxDate), accessibleObject.MaxDate); Assert.False(monthCalendar.IsHandleCreated); }