stdafx.obj will contain the pre-compiled type information

// stdafx.cpp : source file that includes just the standard includes
//    play.pch will be the pre-compiled header
//    stdafx.obj will contain the pre-compiled type information

#include "stdafx.h"

// stdafx.h : include file for standard system include files,
//  or project specific include files that are used frequently, but
//      are changed infrequently
//

#if !defined(AFX_STDAFX_H__8F79C403_2FF2_11D4_883D_0000210A0111__INCLUDED_)
#define AFX_STDAFX_H__8F79C403_2FF2_11D4_883D_0000210A0111__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define VC_EXTRALEAN        // Exclude rarely-used stuff from Windows headers

#include         // MFC core and standard components
#include         // MFC extensions
#include        // MFC Automation classes
#include         // MFC support for Internet Explorer 4 Common Controls
#ifndef _AFX_NO_AFXCMN_SUPPORT
#include             // MFC support for Windows Common Controls
#include "CJLibrary.h"
#endif // _AFX_NO_AFXCMN_SUPPORT

// stdafx.h : include file for standard system include files,
//  or project specific include files that are used frequently, but
//      are changed infrequently
//

#if !defined(AFX_STDAFX_H__8F79C403_2FF2_11D4_883D_0000210A0111__INCLUDED_)
#define AFX_STDAFX_H__8F79C403_2FF2_11D4_883D_0000210A0111__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define VC_EXTRALEAN        // Exclude rarely-used stuff from Windows headers

#include         // MFC core and standard components
#include         // MFC extensions
#include        // MFC Automation classes
#include         // MFC support for Internet Explorer 4 Common Controls
#ifndef _AFX_NO_AFXCMN_SUPPORT
#include             // MFC support for Windows Common Controls
#include "CJLibrary.h"
#endif // _AFX_NO_AFXCMN_SUPPORT