indexing
	description: "The TV_DISPINFO structure retrieves and sets%
				% information about a tree-view item."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	WEL_TV_DISPINFO

inherit
	WEL_STRUCTURE

create
	make,
	make_by_nmhdr,
	make_by_pointer

feature {NONE} -- Initialization

	make_by_nmhdr (a_nmhdr: WEL_NMHDR) is
			-- Make the structure with `a_nmhdr'.
		require
			a_nmhdr_not_void: a_nmhdr /= Void
		do
			make_by_pointer (a_nmhdr.item)
		end

feature -- Access

	hdr: WEL_NMHDR is
			-- Information about the Wm_notify message.
		do
			create Result.make_by_pointer (cwel_tv_dispinfo_get_hdr (item))
		ensure
			result_not_void: Result /= Void
		end

	tree_item: WEL_TREE_VIEW_ITEM is
			-- Virtual key number.
		do
			create Result.make_by_pointer (cwel_tv_dispinfo_get_item (item))
		ensure
			result_not_void: Result /= Void
		end

feature -- Measurement

	structure_size: INTEGER is
			-- Size to allocate (in bytes)
		once
			Result := c_size_of_tv_dispinfo
		end

feature {NONE} -- Externals

	c_size_of_tv_dispinfo: INTEGER is
		external
			"C [macro <tvdispinfo.h>]"
		alias
			"sizeof (TV_DISPINFO)"
		end

	cwel_tv_dispinfo_get_hdr (ptr: POINTER): POINTER is
		external
			"C [macro <tvdispinfo.h>] (TV_DISPINFO*): EIF_POINTER"
		end

	cwel_tv_dispinfo_get_item (ptr: POINTER): POINTER is
		external
			"C [macro <tvdispinfo.h>] (TV_DISPINFO*): EIF_POINTER"
		end

end -- class WEL_TV_DISPINFO

--|----------------------------------------------------------------
--| Windows Eiffel Library: library of reusable components for ISE Eiffel.
--| Copyright (C) 1985-2004 Eiffel Software. All rights reserved.
--| Duplication and distribution prohibited.  May be used only with
--| ISE Eiffel, under terms of user license.
--| Contact Eiffel Software for any other use.
--|
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