NAME
DosDateTimeToVariantTime (OLEAUT32.14)
SYNOPSIS
INT DosDateTimeToVariantTime
(
USHORT wDosDate,
USHORT wDosTime,
double* pDateOut
)
DESCRIPTION
Convert a Dos format date and time into variant VT_DATE format.
PARAMS
wDosDate [In] Dos format date.
wDosTime [In] Dos format time.
pDateOut [Out] Destination for VT_DATE format.
RETURNS
Success: TRUE. pDateOut contains the converted time.
Failure: FALSE, if wDosDate or wDosTime are invalid (see notes).
NOTES
- Dos format dates can only hold dates from 1-Jan-1980 to 31-Dec-2099.
- Dos format times are accurate to only 2 second precision.
- The format of a Dos Date is:
Bits Values Meaning
---- ------ -------
0-4 1-31 Day of the week. 0 rolls back one day. A value greater than
the days in the month rolls forward the extra days.
5-8 1-12 Month of the year. 0 rolls back to December of the previous
year. 13-15 are invalid.
9-15 0-119 Year based from 1980 (Max 2099). 120-127 are invalid.
- The format of a Dos Time is:
Bits Values Meaning
---- ------ -------
0-4 0-29 Seconds/2. 30 and 31 are invalid.
5-10 0-59 Minutes. 60-63 are invalid.
11-15 0-23 Hours (24 hour clock). 24-32 are invalid.
IMPLEMENTATION
Declared in "oleauto.h".
Implemented in "dlls/oleaut32/variant.c".
Debug channel "variant".