Hello? How to SpecialDates click? about xamforms.controls.calendar HOT 8 CLOSED

new SpecialDate(DateTime.Now.AddDays(3)) { Selectable = true , BackgroundColor = Color.Green, TextColor = Color.Blue}

if(calendar.SelectedDate == new DateTime(2016, 8, 22))
{
     DisplayAlert("Alert", "yepp", "ok");
}

/////////////////////////////// OR ///////////////////////////////

if(calendar.SpecialDates== new DateTime(2016, 8, 22))
{
     DisplayAlert("Alert", "yepp", "ok");
}

var calendar = new Calendar();
calendar.SpecialDates = new List<SpecialDate>{
    new SpecialDate(DateTime.Now.AddDays(2)) { BackgroundColor = Color.Red, TextColor = Color.Accent, BorderColor = Color.Maroon, BorderWidth=8 },
    new SpecialDate(DateTime.Now.AddDays(3)) { BackgroundColor = Color.Green, TextColor = Color.Blue, Selectable = true }
};
calendar.DateClicked += (sender, e) =>
{
    if (calendar.SelectedDate == new DateTime(2016, 8, 22).Date)
    {
        DisplayAlert("Alert", "yepp", "ok");
    }
};

calendar.DateClicked += (sender, e) =>
{
    if (calendar.SelectedDate == new DateTime(2016, 8, 22))
    {
        DisplayAlert("Alert", "yepp", "ok");
    }
};

if (calendar.SelectedDate.Value.Date == new DateTime(2016, 8, 22).Date)