MFC应用程序中指针的使用(国外英语资料).doc

MFC应用程序中指针的使用(国外英语资料) This article is contributed by chenwang02 DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. The pointer in the MFC application using gouguijia VC Author: handle provides the corresponding function to obtain the object: for example, can obtain the current document and view the pointer by the variable m_pActiveDocument and m_pActiveView in CMainFrame. Anywhere else, you can get the pointer of CMainFrame by AfxGetMainWnd (), and also get the pointer of Doc and View. Under View, the function GetDocument () returns the pointer to the Doc directly. Under Doc, GetFirstView gets the first view, and GetNextView () gets the following view, and goes down in order to get all the views. With the GetDC () function, you get the DC associated with it. 1) in the View Doc pointer 2) obtained in App MainFrame pointer 3) obtained in View MainFrame View (4) pointer has been established) 5) to obtain the current document pointer pointer 6) to obtain the status bar and toolbar and status bar pointer 7) for 8 variables) in the Mainframe toolbar menu pointer was 9) in any class in the application class 10) to obtain pointer view class from the document class (1) 11) obtained in App document template pointer 12) from the document template document class pointer 13) in the document class to obtain the document template pointer 14) obtain pointer view classes from the document class (2) 15) another view class pointer in VC programming for just from a view class The biggest obstacle and problem for beginning learners is message mechanism and pointer acquisition and operation. In fact, these content is basically every VC learning tools will be written on the content, but also through MSDN, many problems can be solved. The following text is mainly personal experience in the use of pointers in programming, say inappropriate places, please correct me. The framework we normall