note description: "Help engine, displays help context, implementation interface" legal: "See notice at end of class." status: "See notice at end of class." deferred class WIZARD_HELP_ENGINE_I feature -- Status Report last_show_successful: BOOLEAN -- Was last call to `show' successful? deferred ensure message_if_failed: not Result implies (attached last_error_message as m and then not m.is_empty) end last_error_message: detachable STRING -- Last error message, if any deferred end feature -- Basic Operations show (a_help_context: WIZARD_HELP_CONTEXT) -- Show help with context `a_help_context'. deferred end note copyright: "Copyright (c) 1984-2012, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end