`TtiObjectError`
		Owner
pl		ErrorProperty
pl		ErrorMessage
pl		ErrorCode

`TtiObject`
	ro	OID
		ObjectState
		Owner
	ro	Parent
		PropValue
		Deleted
		Dirty
	ro	Index
		ObserverList
	ro	UpdateTopicList

`TtiVisited`
pl	ro	Caption
	ro	Terminated

`TtiBaseObject`