indexing description: "Tree view item (TVI) constants." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class interface WEL_TVI_CONSTANTS feature -- Access tvi_first: POINTER -- Inserts the item at the beginning of the list. tvi_last: POINTER -- Inserts the item at the end of the list. tvi_root: POINTER -- Inserts the item as the root of the list. tvi_sort: POINTER -- Inserts the item into the list in alphabetical order. invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) end -- class WEL_TVI_CONSTANTS