int GetYearBeginTime(UINT iTmpStamp, UINT& iStamp)
{
　　time_t tick = static_cast<time_t>(iTmpStamp);
　　struct tm * standard = localtime(&tick);
　　standard->tm_mon = 0;
　　standard->tm_mday = 1;
　　standard->tm_hour = 0;
　　standard->tm_min = 0;
　　standard->tm_sec = 0;
　　iStamp = static_cast<UINT>(mktime(standard));
　　return TRUE;
}