private static void Oefening8_Calendar()
{
Calendar cal = new Calendar();
cal.ShowDays(WeekPart.WorkDays, Show.Numbers);
cal.ShowDays(WeekPart.Weekend, Show.Names);
cal.ShowDays(WeekPart.Week);
cal.AddEventDay("CleanUp", new List <WeekDay> {
WeekDay.Monday, WeekDay.Friday, WeekDay.Sunday
});
cal.AddEventDay("Studying", new List <WeekDay> {
WeekDay.Saturday
});
cal.ShowEvents();
}