public CalEvent CalendarEventTest()
        {
            // Testing Calendar Event
            CalEvent e = new CalEvent();

            e.SetLocation("Brussels");
            e.SetTitle("Meeting with Zosha");

            e.SetRecurring(true);
            e.SetStartDate(new DateTime(2019, 12, 12));
            e.SetEndDate(new DateTime(2020, 01, 01));
            e.InitNullValues();
            // String[]  arr  ={ "Tuesday", "Monday", "Sunday" };

            e.SetRecurringType("Friday");
            var dates = e.GetDates();

            StringBuilder str = new StringBuilder();

            foreach (var item in dates)
            {
                Console.WriteLine(item.ToString());
                str.Append(item + "\n");
            }
            MessageBox.Show(str.ToString());

            return(e);
        }