public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan (touches, evt);
if (SelectDayView ((UITouch)touches.AnyObject)) {
SelectedDate = new DateTime (_currentMonth.Year, _currentMonth.Month, SelectedDayView.Tag);
if (_calendarMonthView.OnDateSelected != null)
_calendarMonthView.OnDateSelected (new DateTime (_currentMonth.Year, _currentMonth.Month, SelectedDayView.Tag));
}
}