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  • Equivalence and execution speed
  • Handling errors
  • Operating mode in the different operating systems
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Stored procedures
Returns or modifies the different dates and times associated with a file or directory (date created, modified or accessed).
Syntax
<Result> = fDateTime(<Path of file / directory> [, <New date and time> [, <Type of date and time>]])
<Result>: Character string
  • Date and time associated with the file or directory (in YYYYMMDDHHMMSS format),
  • Empty string ("") if an error occurred. To get more details on the error, use ErrorInfo.
<Path of file / directory>: Character string
  • Name and full (or relative) path of file (up to 260 characters).
  • Full (or relative) path of directory (up to 260 characters). If this parameter corresponds to a directory name, this name may (or may not) end with "\". A UNC path can be used.
AndroidAndroid Widget This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: In Android, an application has the rights to write into its setup directory or into one of its subdirectories, as well as onto the external memory (SDCard).
iPhone/iPadIOS WidgetMac Catalyst This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: On iPhone/iPad, an application has the rights to write into its setup directory or into one of its subdirectories.
<New date and time>: Optional character string
  • Modify a date and time: new date and time of the file or directory (in YYYYMMDDHHmmSS format).
  • Read a date and time: empty string ("").
<Type of date and time>: Optional constant
Specifies the date and the time to use:
fAccessDate and time of last access to the file or directory.
AndroidAndroid Widget This constant is not available.
fCreationDate and time of file/directory creation.
iPhone/iPadIOS WidgetMac Catalyst The creation date of a file or directory cannot be modified.
AndroidAndroid Widget This constant is not available.
fModify
(Default value)
Date and time of last modification made to the file/directory.

AndroidAndroid Widget Only files with a date later than January 1, 1970 can be modified.
Remarks

Equivalence and execution speed

fDateTime is equivalent to fDate and fTime used successively. However, fDateTime is faster.

Handling errors

fDateTime throws an error in the following cases:
  • the specified file is opened or the file is locked by another application,
  • the specified file or directory does not exist,
  • the name of the specified file is invalid,
  • the year of one of the file dates is before 1980,
  • the format of <New date and time> is incorrect.
  • ...

Operating mode in the different operating systems

The date and time of a file or directory cannot be modified in the following operating systems: Windows 98, Windows ME.
iPhone/iPadIOS WidgetMac Catalyst The creation date and time of a file or directory cannot be modified.
AndroidAndroid Widget Only files with a date later than January 1, 1970 can be modified.
Component: wd290std.dll
Minimum version required
  • Version 10
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Last update: 08/22/2022

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