private static void OnTrackCalendarSelectedDatesPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var calendar = d as Calendar;
if (calendar != null)
{
if ((bool)e.NewValue)
{
var extensions = new CalendarExtensions(calendar);
SetExtensions(calendar, extensions);
extensions.UpdateSelectedDates();
}
else
{
GetExtensions(calendar).Detach();
calendar.ClearValue(ExtensionsProperty);
}
}
}
private static void SetExtensions(DependencyObject obj, CalendarExtensions value)
{
obj.SetValue(ExtensionsProperty, value);
}
