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MFC Internal Mechanism 2 of VC ++

cwinthread class is a virtual function based on the polymorphism principle, initinstance () in the subclass ctestapp is called here () Pthread-> Run () to complete the message loop Where After pthread-> initinstance () initialization is complete, the registration window starts. Cwinapp in appcore. cpp -- Global Object theapp -- subclass constructor call ctestapp () -- base class constructor call cwinapp () in appcore. cpp -- _ Twinmain () in appmodul. cpp -- pthread-> initinstance () in afxwi

About how to use WinDebug to view thread deadlocks, windebug to view threads

: [Non-Fpo])003ef09c 0115e4d4 77734308 002d1984 00000110 USER32! CallWindowProcW + 0x1b (FPO: [Non-Fpo])003ef0c0 0115c5fd 00000110 001d1b26 00000000 LockDemon! CWnd: DefWindowProcW + 0x34 (CONV: thiscall) [f: \ dd \ vctools \ vc7libs \ ship \ atlmfc \ src \ mfc \ wincore. cpp @ 1043]003ef0dc 01156235 003ef808 003ef0f8 012282d3 LockDemon! CWnd: Default + 0x3d (CONV: thiscall) [f: \ dd \ vctools \ vc7libs \ ship \ atlmfc \ src \ mfc \

How to superclassicalize forms

, the system will call the csuperedit: onchar function (instead of the original cedit: onchar function) That I wrote myself) Implementation of superclassAll the secrets are in cwnd: subclasswindow. Let's check what it actually does. The following is the function body (in the wincore. cpp file ):Bool cwnd: subclasswindow (hwnd){If (! Attach (hwnd ))Return false; // Allow any other subclassing to occurPresubclasswindow (); // Now hook into the afx wndp

Chapter 3 (2) process of creating a single-document MFC Application

is in the thrdcore. cpp file.The p77 afxgetapp () function is located in afxwin1.inl.The afxcurrentwinapp macro is defined in the afxwin. h file.1. Design a window classP78 MFC has predefined some default standard window classes for us. You only need to select the required window class and then register the window class. Therefore, you do not need to design the window class.2. register the window classThe registration of the p78 window class is completed by the afxenddeferregisterclass () funct

[Technical learning] talking about the implementation of super-class technology in MFC

the original cedit: onchar function) That I wrote myself) Ii. Overview of superclassAll the secrets are in cwnd: subclasswindow. Let's check what it actually does. The following is the function body (in the wincore. cpp file ):Bool cwnd: subclasswindow (hwnd){If (! Attach (hwnd ))Return false; // Allow any other subclassing to occurPresubclasswindow (); // Now hook into the afx wndprocWndproc * lplpfn = getsuperwndprocaddr ();Wndproc oldwndproc = (wn

In-depth introduction to VC ++ (2)-the essence of MFC

), (! (! m_pMainWnd-> m_pMainWnd-> } In the above Code, m_pMainWnd refers to the window created for us and is defined as a pointer to the CWnd type according to F12. The Cwnd class is a standard window class pre-defined by MFC, now we have found the window class in the MFC program. Next we will find how to register the window in the MFC. In the MFC, the registration of the window class is completed by the Afx

[Technical learning] talking about the implementation of super-class technology in MFC.

(instead of the original cedit: onchar function) That I wrote myself) Ii. Overview of superclassAll the secrets are in cwnd: subclasswindow. Let's check what it actually does. The following is the function body (in the wincore. cpp file ):Bool cwnd: subclasswindow (hwnd){If (! Attach (hwnd ))Return false; // Allow any other subclassing to occurPresubclasswindow (); // Now hook into the afx wndprocWndproc * lplpfn = getsuperwndprocaddr ();Wndproc

The execution sequence of the MFC program.

details about other parameters, refer to msdn or in-depth introduction to MFC). What does it mean to set the window class to null? It means to generate a standard out-of-box window using the built-in air class of MFC. However, our programs generally do not register any window classes! Oh, before the create function generates a window, it will trigger the registration operation of the window class. Let's dig out what the create function has done first. The create function is defined in winfrm.

MFC message ing mechanism

Zookeeper MFC message ing mechanism: In each class that can receive and process messages, define a ing table between messages and message processing functions, that is, the message ing table. MFC has a window handle ing table with the c ++ Object Pointer. When the window receives a message, the first parameter of the message specifies the window handle associated with the message, find the C ++ Object Pointer through the ing table, and pass the pointer to the base class of the window class of

The Startup Process and execution sequence of the MFC Program

first register a window class and specify window attributes, but which window class is used here? The first parameter of the create function (for details about other parameters, refer to msdn or in-depth introduction to MFC). What does it mean to set the window class to null? It means to generate a standard out-of-box window using the built-in air class of MFC. However, our programs generally do not register any window classes! Oh, before the create function generates a window, it will trigger

MFC program execution sequence

-of-box window using the built-in air class of MFC. However, our programs generally do not register any window classes! Oh, before the create function generates a window, it will trigger the registration operation of the window class. Let's dig out what the create function has done first. The create function is defined in winfrm. THE 538th rows of CPP (here I won't copy the code, you can open it by yourself). The function calls the createex function in line 562, because createex is a member func

Windows Programming _ sun Xin C ++ lesson3 "Analysis of the MFC Program Framework"

);} //************************************** **************************************** **************************************** ** // Winmain. cppInt afxapi afxwinmain (hinstance, hinstance hprevinstance,Lptstr lpcmdline, int ncmdshow );Run (! Pthread-> initinstance () Jump to the initinstance () process of the subclass. //************************************** **************************************** **************************************** ** // Test. cppBool ctestapp: initinstance () //******

The initiation and death sequence of the MFC Program)

generate a standard out-of-box window using the built-in air class of MFC. However, our programs generally do not register any window classes! Oh, before the create function generates a window, it will trigger the registration operation of the window class.Let's dig out what the create function has done first. The create function is defined in winfrm. THE 538th rows of CPP (here I won't copy the code, you can open it by yourself). The function calls the createex function in line 562, because cr

The execution sequence of the MFC program.

FUNCTION (for details about other parameters, refer to MSDN or in-depth introduction to MFC). What does it mean to set the window class to NULL? It means to generate a standard out-of-box window using the built-in air class of MFC. However, our programs generally do not register any window classes! Oh, before the Create FUNCTION generates a window, it will trigger the registration operation of the window class. Let's dig out what the Create FUNCTION has done first. The Create function is define

Survival and death of MFC

MFC. However, our programs generally do not register any window classes! Oh, before the create function generates a window, it will trigger the registration operation of the window class. Let's dig out what the create function has done first. The create function is defined in winfrm. THE 538th rows of CPP (here I won't copy the code, you can open it by yourself). The function calls the createex function in line 562, because createex is a member function of cwnd, cframewnd is followed by cwnd, s

The execution sequence of the MFC Program

0x00008Const tchar _ afxwndframeorview [] = afx_wndframeorview; // In the wincore. cpp file, it is defined as a global array.// # Define afx_wndframeorview afx_wndclass ("frameorview ") 7. Create window:Create () function path: MFC | SRC | winfrm. cpp:Cframewnd: Create (...){...Createex (...); // inherited from the parent class, call cwnd: createex ()....} Cwnd: createex () function path: MFC | SRC | wincore

Use on_update_command_ui to update the menu in the MFC dialog box.

disabled before it is passed. This is why the command for the disabled menu item is not called (although not displayed in gray (unavailable )). In this case, the menu item is not re-painted to reflect the status of the menu item. This is the code in the wincore. cpp file: // Make sure the command is not disabled before the command is passedCtestcmdui state;State. m_nid = NID;On1_msg (NID, cn_update_command_ui, state, null );If (! State. m_benabled){

[Original] the ins and outs of MFC programming

, execute another program, then only the last function is executed.Nreturncode = pthread-> Run ();This step has become the active source of the program in "getting down to MFC". In my opinion, it is the step for you to drive on the accelerator. We will elaborate on it later!After the design window class, it should be the registration. MFC automatically calls (jumps to) afxenddeferregisterclass (wincore. CPP). Five window classes are registered for you

Introduction to the MFC Application Framework

the cwnd class is the encapsulation of the API function createwindow (), which is encapsulated as the member function create () of the cwnd class (). From the MFC source file wincore. cpp provided by VC, we can clearly see that the cwnd class encapsulates the createwindow () function. The following describes the implementation of the relevant sections: Bool cwnd: Create (lpctstr lpszclassname, lpctstr lpszwindowname, DWORD dwstyle, cons

Considerations for MFC multi-thread programming

------ 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 thread functions are as follows:Uint mythread (lpvoid pparam){Cmainframe * pmainfrm = (cmain

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