[This is preliminary documentation and is subject to change.]
Convert System.DateTime object to formatted date-time string.


- v (DateTime)
- Specifies the DateTime object.
- showDate (Boolean)
- Specifies true to include the date in the date-time string.
- showWeekDay (Boolean)
- Specifies true to include the weekday in the date-time string.
- showTime (Boolean)
- Specifies true to include the time in the date-time string.
- fraction (Int32)
- Specifies the number of decimal places for fraction of second display (max. 7).

Returns the formatted date-time string.