CTime::CTime(const SYSTEMTIME& sysTime)
{
if (sysTime.wYear < 1900)
{
time_t time0 = 0L;
CTime timeT(time0);
*this = timeT;
}
else
{
CTime timeT(
(int)sysTime.wYear, (int)sysTime.wMonth, (int)sysTime.wDay,
(int)sysTime.wHour, (int)sysTime.wMinute, (int)sysTime.wSecond);
*this = timeT;
}
}
CMSTime::CMSTime(const SYSTEMTIME& sysTime, int nDST)
{
if (sysTime.wYear < 1900)
{
__time64_t time0 = 0L;
CMSTime timeT(time0);
*this = timeT;
}
else
{
CMSTime timeT(
(int)sysTime.wYear, (int)sysTime.wMonth, (int)sysTime.wDay,
(int)sysTime.wHour, (int)sysTime.wMinute, (int)sysTime.wSecond,
nDST);
*this = timeT;
}
}
CTime::CTime(const FILETIME& fileTime)
{
// first convert file time (UTC time) to local time
FILETIME localTime;
VERIFY(FileTimeToLocalFileTime(&fileTime, &localTime));
// then convert that time to system time
SYSTEMTIME sysTime;
VERIFY(FileTimeToSystemTime(&localTime, &sysTime));
// then convert the system time to a time_t (C-runtime local time)
CTime timeT(sysTime);
*this = timeT;
}
CTime::CTime(const FILETIME& fileTime, int nDST)
{
// first convert file time (UTC time) to local time
FILETIME localTime;
if (!FileTimeToLocalFileTime(&fileTime, &localTime))
{
m_time = 0;
return;
}
// then convert that time to system time
SYSTEMTIME sysTime;
if (!FileTimeToSystemTime(&localTime, &sysTime))
{
m_time = 0;
return;
}
// then convert the system time to a time_t (C-runtime local time)
CTime timeT(sysTime, nDST);
*this = timeT;
}