CoDosDateTimeToFileTime function (objbase.h)

Converts the MS-DOS representation of the time and date to a FILETIME structure used by Windows.

Note  This function is provided for compatibility with 16-bit Windows.

 

Syntax

BOOL CoDosDateTimeToFileTime(
  [in]  WORD     nDosDate,
  [in]  WORD     nDosTime,
  [out] FILETIME *lpFileTime
);

Parameters

[in] nDosDate

The MS-DOS date.

[in] nDosTime

The MS-DOS time.

[out] lpFileTime

A pointer to the FILETIME structure.

Return value

If the function succeeds, the return value is TRUE; otherwise, it is FALSE, probably because of invalid arguments.

Remarks

An MS-DOS date has the following format.

Bits	Description
0-4	Days of the month (1-31).
5-8	Months (1 = January, 2 = February, and so forth).
9-15	Year offset from 1980 (add 1980 to get actual year).

 

An MS-DOS time has the following format.

Bits	Description
0-4	Seconds divided by 2.
5-10	Minutes (0-59).
11-15	Hours (0-23 on a 24-hour clock).

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	objbase.h
Library	Ole32.lib
DLL	Ole32.dll
API set	ext-ms-win-com-ole32-l1-1-5 (introduced in Windows 10, version 10.0.15063)

See also

CoFileTimeNow

CoFileTimeToDosDateTime