Abstract: For the generation of Inventor part document, assembly document properties and
drawing document title block information, an object-oriented API method is provided,which uses
VB. NET language as a development tool and applies the add-in way to integrate document
properties such as the designer, checked by title, part number and so on into a simple user-defined
interface. It improves the properties generation rate and at the same time deals with the title block
GB1 provided by Inventor itself and makes unassociated data, such as the scale and process,
connect again. It realizes the reconstruction of the information and the national standardization of
title block, expands the function of the Inventor end-user interface.

Key words: computer application, Inventor, customized development, document properties;
title block