VariantTimeToDosDateTime
VariantTimeToDosDateTime(vtime,
pwDOSDate,
pwDOSTime)
double vtime
unsigned short FAR* pwDOSDate
unsigned short FAR* pwDOSTime
Converts the variant representation of a date and time to MS-DOS date and time
values.
Parameters
The variant time to convert.
pwDOSDate
Pointer to location to store the converted MS-DOS date.
pwDOSTime
Pointer to location to store the converted MS-DOS time.
Return Value
One of the following:
Result
| Meaning
|
True
| Success
|
False
| Failure
|
Comments
A variant time is stored as an 8-byte real value (
double), representing a date between January 1, 1753 and December 31, 2078,
inclusive. The value 2.0 represents January 1, 1900; 3.0 represents January 2, 1900,
and so on. Adding 1 to the value increments the date by a day. The fractional
part of the value represents the time of day. Thus, 2.5 represents noon on January
1, 1900; 3.25 is 6:00 a.m. on January 2, 1900; and so on. Negative numbers
represent the dates prior to December 30, 1899.
See the Comments section of "
DosDateTimeToVariantTime" for a description of the MS-DOS date and time formats.
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