stdafx.h

包含两个程序

// stdafx.h : include file for standard system include files,
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1997 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.

#define VC_EXTRALEAN

#include <afxwin.h>		 // MFC core and standard components
#include <afxext.h>         // MFC extensions
#include <afxsock.h>		// MFC socket extensions
#include <afxrich.h>		// MFC rich edit classes