`ttreelistitem`
	ro	parent
	ro	treelevel
		subitems
	ro	count
		rootexpanded
		expanded
	ro	items

`tlistitem`
		tagpointer
	ro	index
		caption
		state
	ro	state1
		imagelist
		imagenr
		selected
		checkbox
		checked
	ro	owner
		valuetext
	ro	valueitem
		top

`tnullinterfacedobject`