[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'sysutils' (#rtl)

# DateTimeToFileDate

Convert a TDateTime value to a file age (integer)

## Declaration

Source position: datih.inc line 161

`function DateTimeToFileDate(`
`DateTime: TDateTime`
`):LongInt;`

## Description

DateTimeToFileDate function converts a date/time indication in TDateTime format to a filedate function, such as returned for instance by the FileAge function.

## Errors

None.

## See also

Time |  | Returns the current time.
Date |  | Return the current date.
FileDateToDateTime |  | Convert a FileDate value to a TDateTime value.
DateTimeToSystemTime |  | Converts a TDateTime value to a systemtime structure.
DateTimeToTimeStamp |  | Converts a TDateTime value to a TimeStamp structure.

## Example

    Program Example2;

    { This program demonstrates the DateTimeToFileDate function }

    Uses sysutils;

    Begin
      Writeln ('FileTime of now would be: ',DateTimeToFileDate (Now));
    End.

Documentation generated on: May 14 2021