#### COleDateTime Question

```Hi.

I have an internal API that expects a time/date as a DWORD, but I've read
the time from a data file as a COleDateTime (actually as a double to start
with). What is the most efficient way to convert between the time as a
double to the time as a DWORD?

I have this code working, but it seems a little long-winded:

double dTime = 37064.7269907;    // Actually read from file, but simplified
for here...
COleDateTime oleTime(dTime);
SYSTEMTIME sysTime;
oleTime.GetAsSystemTime(sysTime);
CTime timeTemp(sysTime.wYear, sysTime.wMonth, sysTime.wDay,
sysTime.wHour, sysTime.wMinute, sysTime.wSecond);
CString strTime;
strTime.Format(_T("%d"), timeTemp);
m_dwAcqTime = atoi((LPCTSTR)strTime);

There has got to be a better way!

Alain

```
 0
abdekker (28)
9/18/2003 2:19:08 PM
vc.mfc 33608 articles. 0 followers.

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```The double for COleDateTime is the number of days since midnight, 30
December 1899,  The time_t is a 32 bit format, stored as the number of
seconds since January 1, 1970.  You should be able to convert between the
two easily.  However, time_t is not the same as the CTime format; but you
can convert easily between them.

-Kanon

"Alain Dekker" <abdekker@NOSPAM.fsmail.net> wrote in message
news:OK0dU\$efDHA.3228@tk2msftngp13.phx.gbl...
> Hi.
>
> I have an internal API that expects a time/date as a DWORD, but I've read
> the time from a data file as a COleDateTime (actually as a double to start
> with). What is the most efficient way to convert between the time as a
> double to the time as a DWORD?
>
> I have this code working, but it seems a little long-winded:
>
> double dTime = 37064.7269907;    // Actually read from file, but
simplified
> for here...
> COleDateTime oleTime(dTime);
> SYSTEMTIME sysTime;
> oleTime.GetAsSystemTime(sysTime);
> CTime timeTemp(sysTime.wYear, sysTime.wMonth, sysTime.wDay,
>          sysTime.wHour, sysTime.wMinute, sysTime.wSecond);
> CString strTime;
> strTime.Format(_T("%d"), timeTemp);
> m_dwAcqTime = atoi((LPCTSTR)strTime);
>
> There has got to be a better way!
>
> Thanks in advance,
> Alain
>
>

```
 0
Kanonw (36)
9/18/2003 4:14:25 PM

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