indexing
	description: "Control interfaces. Help file: "
	Note: "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 is
			-- 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]) is
			-- 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

end -- ISERVICE_PROVIDER_INTERFACE