VALIDTIME()
Contents
Purpose
Function to check the validity of a time-string
Syntax
VALIDTIME(<time-string>)
See Also
AMPM(), CDOW(), CMONTH(), CTOD(), CTOT(), DATE(), DATETIME(), DAY(), DAYS(), DMY(), DOW(), DTOA(), DTOC(), DTOM(), DTOS(), DTOT(), DTOV(), ELAPTIME(), EMPTY(), EPOCH(), GOMONTH(), HOUR(), HOURS(), ISLEAPYEAR(), LEAPYEARS(), LTOS(), MDY(), MINUTE(), MINUTES(), MONTH(), MTOD(), MTOS(), QUARTER(), SEC(), SECONDS(), SECS(), SET CENTURY, SET DATE, SET EPOCH, SET HOURS, SET MARK, SET SECONDS, STOD(), STOT(), STR(), STRFTIME(), TIME(), TIMEOFDAY(), TIMESTAMP(), TSTRING(), TTOC(), TTOD(), TYPE(), VAL(), VTOD(), WEEK(), YEAR()
Description
The VALIDTIME() function the validity of the specified <time-string>. A valid <time-string> must be in a 24 hour "HH:MM:SS" format. The VALIDTIME() function returns .T. for a valid time-string and .F. otherwise.
Example
store "00:00" to m_time @5,5 get m_time picture "99:99"; valid validtime(m->m_time+":00"); error "Invalid time. Press any key."; help "Enter the start time." read