mfc 8950

1, the reason is "possible", because there is a point is that the temporary object is the encapsulation of the HWND operation, not the window class encapsulation. Thus all hwnd temporary objects are instances of CWnd, even if the above forcibly converted to cabcdialog* is still cwnd*, so when Cabcdialog::assertvalid is called in Assert_valid, it defines some additional checks, It may be found that this is an instance of CWnd rather than an Cabcdialog instance, resulting in an assertion failure.

MFC encapsulates the win API. Everyone knows. But how many people know about the real process of MFC applications? Here are some of my analysis of the MFC startup code. In TCHAR.H, there are 2 small pieces of define. Through my simplification, we can see: //TCHAR.H #ifdef _UNICODE #define _tWinMain wWinMain #else #define _tWinMain WinMain #endif Because the W

Why you shoshould learn the API before MFC Why do I first learn API before learning MFC? Original article: http://www.winprog.org/tutorial/apivsmfc.htmlLiu Jianwen translated (http://blog.csdn.net/keminlau) the controversy argument Too users people come on to IRC and ask "What is better, MFC or API? "And too recommend people are willing to say"

1. Project CreationWhen you create a project with Win32. Want to use MFC's way. Just change one place.2. Change the entry function (provided that you handle those functions before the main function yourself)3. Creating MFC is typically based on a dialog box4. The default generated macro description. Here is the generated type corresponding to the Idd_mfcapplication1_dialog resource Idcmfcapplication1dlg::cmfcapplication1dlg (cwnd* pparent/*=NULL*/): C

Guide WTL has two sides, indeed. It is not as powerful as the MFC interface (GUI) class library, but can generate very small executable files. If you use MFC for interface programming like me, you will feel that the interface control provided by MFC is very comfortable to encapsulate and use, not to mention the built-in Message Processing Mechanism of

By Sun Hui MFC has been around for more than a decade. However, it is still a key component of Visual C ++. Almost eight years since Visual C ++ 1996 in 4.2, the main characteristics of MFC have not changed significantly and are still "old" faces, therefore, the comments about this class library are naturally reasonable. From my personal point of view, MFC is sti

------ From http://hi.baidu.com/snownight/blog/item/dc4c0a5522bd24cdb645ae48.html MFC multi-thread programming considerations [Post] considerations for MFC multi-thread programming Favorites 1. Performance-error exampleAbout the window object (pointer? Handle ?) Problems: After selecting the start thread in the menu:Void cmainframe: onmenu_start (){...Afxbeginthread (mythread, this );...} The th

the document object in CView is ( GetDocument )2. CDialog class inherits from (CWnd) class3. In the CListBox class, the member function that gets the index of the user-selected string is (GetCurSel)4. In the CDialog class, the member function that obtains a pointer to a child control with the specified ID is (GetDlgItem)In a 5.CString class, a member function that can find a character or substring in a larger string is (find)6.MFC, the global functio