Introduction - If you have any usage issues, please Google them yourself
L in MFC, document class responsible for the management of the data, provide save and load the function of the data. View class responsible for data display, and offer users to edit the data and modify functions.
MFC provide us with Document/View to structure, an application needs "data processing and display" shell designed all function, these functions are virtual function, we can in the derived class rewrite these functions. The relevant documents in the operation of the reading and writing in the CDocument Serialize function, the relevant data and graph showing the operation in the CView OnDraw function. We in the derived class, only need to pay attention to Serialize and OnDraw function, other details we don t need to pay attention to, program can good operation