Examples-DotNET-CSharp-Create-iCalendar.cs

var calendar = new HierarchicalObject("CALENDAR", null, new List<BaseObject>
{
    new PrimitiveObject("LOCATION", null, "location"),
    new PrimitiveObject("STARTDATE", null, startDate.ToString("u")),
    new PrimitiveObject("ENDDATE", null, endDate.ToString("u")),
    new HierarchicalObject("ORGANIZER", null, new List<BaseObject>
    {
        new PrimitiveObject("ADDRESS", null, "organizer@aspose.com"),
        new PrimitiveObject("DISPLAYNAME", null, "Organizer Name")
    }),
    new HierarchicalObject("ATTENDEES", null, new List<BaseObject>
    {
        new IndexedHierarchicalObject("ATTENDEE", null, 0, new List<BaseObject>
        {
            new PrimitiveObject("ADDRESS", null, "attendee@aspose.com"),
            new PrimitiveObject("DISPLAYNAME", null, "Attendee Name")
        })
    })
});