// 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.
#include "stdafx.h"
#include "sal.h"
/////////////////////////////////////////////////////////////////////////////
// export WinMain to force linkage to this module
extern int AFXAPI AfxWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
_In_ LPTSTR lpCmdLine, int nCmdShow);
extern "C" int WINAPI
_tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
_In_ LPTSTR lpCmdLine, int nCmdShow)
#pragma warning(suppress: 4985)
{
// call shared/exported WinMain
return AfxWinMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow);
}
/////////////////////////////////////////////////////////////////////////////
// initialize app state such that it points to this module's core state
BOOL AFXAPI AfxInitialize(BOOL bDLL, DWORD dwVersion)
{
AFX_MODULE_STATE* pModuleState = AfxGetModuleState();
pModuleState->m_bDLL = (BYTE)bDLL;
ASSERT(dwVersion <= _MFC_VER);
UNUSED(dwVersion); // not used in release build
#ifdef _AFXDLL
pModuleState->m_dwVersion = dwVersion;
#endif
#ifdef _MBCS
// set correct multi-byte code-page for Win32 apps
if (!bDLL)
_setmbcp(_MB_CP_ANSI);
#endif //_MBCS
return TRUE;
}
// force initialization early
#pragma warning(disable: 4074)
#pragma init_seg(lib)
#ifndef _AFXDLL
void AFX_CDECL _AfxTermAppState()
{
// terminate local data and critical sections
AfxTermLocalData(NULL, TRUE);
AfxCriticalTerm();
// release the reference to thread local storage data
AfxTlsRelease();
}
#endif
#ifndef _AFXDLL
char _afxInitAppState = (char)(AfxInitialize(FALSE, _MFC_VER), atexit(&_AfxTermAppState));
#else
char _afxInitAppState = (char)(AfxInitialize(FALSE, _MFC_VER));
#endif
/////////////////////////////////////////////////////////////////////////////

毕业答辩用 有能解释这个代码的吗

我可以帮您解答

程序启动第一步是初始化模块状态。
模块状态是mfc的重要概念。程序的资源，对应代码在哪里（某个动态库或线程）都需要模块状态来管理。
具体可以看李久进的书。