// 
// The following code loads and displays an iCalendar 
// with US Holidays for 2006.
// 
iCalendar iCal = iCalendar.LoadFromUri(new Uri("http://www.applegatehomecare.com/Calendars/USHolidays.ics"));

List<Occurrence> occurrences = iCal.GetOccurrences(
    new iCalDateTime(2006, 1, 1, "US-Eastern", iCal),
    new iCalDateTime(2006, 12, 31, "US-Eastern", iCal));

foreach (Occurrence o in occurrences)
{
    Event evt = o.Component as Event;
    if (evt != null)
    {
        // Display the date of the event
        Console.Write(o.Period.StartTime.Local.Date.ToString("MM/dd/yyyy") + " -\t");

        // Display the event summary
        Console.Write(evt.Summary);

        // Display the time the event happens (unless it's an all-day event)
        if (evt.Start.HasTime)
        {
            Console.Write(" (" + evt.Start.Local.ToShortTimeString() + " - " + evt.End.Local.ToShortTimeString());
            if (evt.Start.TimeZoneInfo != null)
                Console.Write(" " + evt.Start.TimeZoneInfo.TimeZoneName);
            Console.Write(")");
        }

        Console.Write(Environment.NewLine);
    }
}

// 
// The following code loads and displays active todo items from an iCalendar
// for January 6th, 2006.    
// 
iCalendar iCal = iCalendar.LoadFromUri(new Uri("http://somesite.com/calendar.ics"));    

iCalDateTime dt = new iCalDateTime(2006, 1, 6, "US-Eastern", iCal);
foreach(Todo todo in iCal.Todos)
{
    if (todo.IsActive(dt))
    {
        // Display the todo summary
        Console.WriteLine(todo.Summary);
    }
}