    class
    	WEL_NM_TREE_VIEW

    General
    	cluster: wel
    	description: "Contains information about a tree view notification message."
    	create: make_by_nmhdr, make_by_pointer, make

    Ancestors
    	WEL_STRUCTURE*

    Queries
    	action: INTEGER_32
    	exists: BOOLEAN
    	hdr: WEL_NMHDR
    	is_equal (other: [like Current] WEL_NM_TREE_VIEW): BOOLEAN
    	item: POINTER
    	new_item: WEL_TREE_VIEW_ITEM
    	old_item: WEL_TREE_VIEW_ITEM
    	position: WEL_POINT
    	shared: BOOLEAN
    	Structure_size: INTEGER_32

    Commands
    	copy (other: [like Current] WEL_NM_TREE_VIEW)
    	dispose
    	initialize
    	initialize_with_character (a_character: CHARACTER_8)
    	memory_copy (source_pointer: POINTER; length: INTEGER_32)
    	set_item (an_item: POINTER)
    	set_shared
    	set_unshared