VC++ 从文档中读取数据

void 类名::ReadData()
{
    CStdioFile file;
    CFileException exp;

    char* old_locale=_strdup(setlocale(LC_CTYPE,NULL) );
    setlocale( LC_CTYPE,"chs");

    if(file.Open(_T("c:\\MiniMenu.mnu"),CFile::typeText|CFile::modeRead,&exp) == FALSE)
    {
        CString sMsg;
        exp.GetErrorMessage(sMsg.GetBuffer(1024),1024);
        sMsg.ReleaseBuffer();
        MessageBox(sMsg,_T("错误"),MB_OK|MB_ICONERROR);
    }
    CString sValue;
while(file.ReadString(sValue))
    {
        ……
    }

    setlocale( LC_CTYPE, old_locale ); //还原语言区域的设置
    free( old_locale );//还原区域设定
}