The developing method of CAPP system based on VFP class has been discussed in thispaper. The whole framework,the system class-layout and the designing method of mainapplying class,form class and control class of the CAPP system of piston products areintroduced.
This article, taking the development of geographic information system of Taining as an example, introduces emphatically the call-back mechanism based on OLE technology, MapInfo object, the class used to achieve the communication between MapInfo and application, form class and the methods of using them.
According to the principle of Marxism-Leninism, have analyzed and expounded the main content of the Mao Zedong's theory of new democracy from several aspects such as politics (state system , government form , class relation), economy ( certainty , characteristic ) , culture (nature and characteristic ).
Not only do teachers and students form class a physical space, but also a distinctive social organization holding complicated and changeable structure, situation and content. With fresh and lively life orientation, it is a systematic entity full of vigor and vitality;