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title: "Window manager which is able to retrieve an Eiffel ", "object from a HWND. ", "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_WINDOW_MANAGER
feature -- Access

windows: HASH_TABLE [WEL_WINDOW, POINTER]
-- Contains all the windows created by the application.
ensure
result_not_void: Result /= void
feature -- Basic operations

register_window (window: WEL_WINDOW)
-- Register `window' in the window manager.
require
window_not_void: window /= void
unregistered: not registered (window)
ensure
registered: registered (window)

unregister_window (window: WEL_WINDOW)
-- Unregister `window' from the window manager.
require
window_not_void: window /= void
registered: registered (window)
ensure
unregistered: not registered (window)
feature -- Status report

registered (window: WEL_WINDOW): BOOLEAN
-- Is `window' registered?
require
window_not_void: window /= void
end -- class WEL_WINDOW_MANAGER

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