Description
Reports whether the value of a string is a valid time value.
Syntax
IsTime ( timevalue )
Argument |
Description |
---|---|
timevalue |
A string whose value you want to test to determine whether it is a valid time |
Return value
Boolean.
Returns true if timevalue is a valid time and false if it is not. If timevalue is null, IsTime returns null.
Usage
Use IsTime to test to whether a value a user enters in an edit control is a valid time.
To convert a string to an time value, use the Time function.
Examples
This statement returns true:
IsTime("8:00:00 am")
This statement returns false:
IsTime("25:00")
If the SingleLineEdit sle_EndTime contains 4:15 these statements store 04:15:00 in lt_QuitTime:
Time lt_QuitTime IF IsTime sle_EndTime.Text) THEN lt_QuitTime = Time(sle_EndTime.Text) END IF
See also
IsTime method for DataWindows in the section called “IsTime” in DataWindow Reference.