关闭64位系统下32位程序的文件重定向

typedef BOOL (WINAPI * _tagWow64DisableWow64FsRedirection)(LPVOID *);
typedef BOOL (WINAPI * _tagWow64RevertWow64FsRedirection)(LPVOID);

BOOL IsWow64()   //判断是否是64位系统
{
    LPFN_ISWOW64PROCESS fnIsWow64Process;
    BOOL bIsWow64 = FALSE;
    fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
    if (NULL != fnIsWow64Process)
    {
        fnIsWow64Process(GetCurrentProcess(), &bIsWow64);
    }
    return bIsWow64;
}

BOOL CloseWoWMap()  //关闭文件重定向
{
    PVOID g_OldValue ;
    BOOL  g_bCloseWowRedirection;
     if (!IsWoW64()) return TRUE;

     BOOL bRet = FALSE;
     _tagWow64DisableWow64FsRedirection pFun = (_tagWow64DisableWow64FsRedirection)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"Wow64DisableWow64FsRedirection");
     if (pFun)
     {
         LPVOID OldValue = nullptr;
        return pFun(&OldValue);
     }
     return FALSE;
}

BOOL OpenWowMap()  //打开文件重定向
{
    //把64位的系统映射打开
    if (!IsWoW64()) return TRUE;

    _tagWow64RevertWow64FsRedirection pFun = (_tagWow64RevertWow64FsRedirection)GetProcAddress(GetModuleHandle(TEXT("kernel32")),"Wow64RevertWow64FsRedirection");
    if (pFun)
    {
        LPVOID OldValue = nullptr;
        return pFun(OldValue);
    }
    return FALSE;
}