private void CalendarUpdate()
{
CalenderBackground background;
background = new CalenderBackground(MainCalendar);
background.AddOverlay("blue", $"Assets\\blue.png");
var model = new NoteViewModel();
var dates = model.GetDates();
foreach (var date in dates)
{
background.AddDate(date, "blue");
}
MainCalendar.Background = background.GetBackground();
MainCalendar.DisplayDateChanged += (sender, e) => MainCalendar.Background = background.GetBackground();
MainCalendar.DisplayModeChanged += (s, e) => MainCalendar.Background = background.GetBackground();
}