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title: "Contains information about an up-down control notification ", "message. ", "WEL: library of reusable components for Eiffel. ", "Based on WEL library for ISE Eiffel, used with permission. "
project: "Windows Eiffel Library"
copyright: "(c) 1986-1997 Interactive Software Engineering Inc. ", "Modifications and extensions: ", "(c) 1997 Object Tools ", "All rights reserved. Duplication and distribution prohibited", "May be used only with Visual Eiffel under terms of user ", "license "
cluster: wel
class WEL_NM_UP_DOWN_CONTROL
inherit

WEL_STRUCTURE
end
creation

make,
make_by_nmhdr,
make_by_pointer
feature {NONE}-- Initialization

make_by_nmhdr (a_nmhdr: WEL_NMHDR)
-- Make the structure with `a_nmhdr'.
require
a_nmhdr_not_void: a_nmhdr /= void
feature -- Access

hdr: WEL_NMHDR
-- Information about the Wm_notify message
ensure
result_not_void: Result /= void

position: INTEGER
-- Current position of the up-down control

delta: INTEGER
-- Proposed change in the position of the up-down
-- control
feature -- Element change

set_position (a_position: INTEGER)
-- Set `position' with `a_position'.
ensure
position_set: position = a_position

set_delta (a_delta: INTEGER)
-- Set `delta' with `a_delta'.
ensure
delta_set: delta = a_delta
feature -- Measurement

structure_size: INTEGER
-- Size to allocate (in bytes)
end -- class WEL_NM_UP_DOWN_CONTROL

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