note description: "Control interfaces. Help file: " legal: "See notice at end of class." status: "See notice at end of class." generator: "Automatically generated by the EiffelCOM Wizard." deferred class ISERVICE_PROVIDER_INTERFACE inherit ECOM_INTERFACE feature -- Status Report query_service_user_precondition (guid_service: ECOM_GUID; riid: ECOM_GUID; ppv_object: CELL [ECOM_INTERFACE]): BOOLEAN -- User-defined preconditions for `query_service'. -- Redefine in descendants if needed. do Result := True end feature -- Basic Operations query_service (guid_service: ECOM_GUID; riid: ECOM_GUID; ppv_object: CELL [ECOM_INTERFACE]) -- No description available. -- `guid_service' [in]. -- `riid' [in]. -- `ppv_object' [out]. require non_void_guid_service: guid_service /= Void valid_guid_service: guid_service.item /= default_pointer non_void_riid: riid /= Void valid_riid: riid.item /= default_pointer non_void_ppv_object: ppv_object /= Void query_service_user_precondition: query_service_user_precondition (guid_service, riid, ppv_object) deferred ensure valid_ppv_object: ppv_object.item /= Void end note copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- ISERVICE_PROVIDER_INTERFACE