class
	WEL_NM_HEADER

General
	cluster: wel.structs
	description: "Contains information about a header control notificationmessage."
	create: make_by_nmhdr, make_by_pointer, make

Ancestors
	WEL_STRUCTURE

Queries
	exists: BOOLEAN
	hditem: WEL_HD_ITEM
	hdr: WEL_NMHDR
	ibutton: INTEGER
	iitem: INTEGER
	item: POINTER
	shared: BOOLEAN
	Structure_size: INTEGER
	to_integer: INTEGER

Commands
	dispose
	initialize
	initialize_with_character (a_character: CHARACTER)
	memory_copy (source_pointer: POINTER; length: INTEGER)
	set_item (an_item: POINTER)
	set_shared
	set_unshared