Object Hierarchy

    GObject
        ICalObject
            ICalArray
            ICalAttach
            ICalCompIter
            ICalComponent
            ICalDatetimeperiodType
            ICalDurationType
            ICalGeoType
            ICalParameter
            ICalParser
            ICalPeriodType
            ICalProperty
            ICalRecurIterator
            ICalRecurrenceType
            ICalReqstatType
            ICalTimeSpan
            ICalTimetype
            ICalTimezone
            ICalTimezonePhase
            ICalTimezonetype
            ICalTriggerType
            ICalValue