my first mfc application

using CFrameWnd and CWinApp.

2025-11-15

Written by: xiaobin

project wizard
class wizard
add window title
Instantiation

project wizard

Create an empty Win32 project.

win32 project empty project

VS2022

Windows Desktop Wizard

empty project - VS2022

d: VS2022 is the fourth version of v14. 14(17.14): 14 is the last minor version of VS2022.

Generate using the class wizard

Main Window My App

Note:
You need to include “afxwin.h” in all header files.

add window caption - MainWindow

Add constructor

declare

public:
    CMainWindow();

impl

CMainWindow::CMainWindow()
{
    Create(NULL, _T("Hello MFC"));
}

add initial instance - MyApp

declare

public:
    virtual BOOL InitInstance();

impl

BOOL CMyApp::InitInstance()
{
    m_pMainWnd = new CMainWindow();
    m_pMainWnd->ShowWindow(SW_SHOW);
    m_pMainWnd->UpdateWindow();
    return TRUE;
}

include head file

#include "CMainWindow.h"

done

Add it to MyApp.cpp

CMyApp myApp;

compile

error C1189: #error :  Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version. 
Please #define _AFXDLL or do not use /MD[d]

project property