May 1995
Beginner
508 pages
16h 14m
English
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Name
IsEmpty Function
Syntax
IsEmpty(varname)-
varname Use: Required
Datatype: Variant
A numeric or string expression.
Return Value
Boolean (True or False).
Description
Determines if the variable has been initialized by having an initial
value (other than Empty) assigned to it.
Rules at a Glance
If the variant passed to
IsEmptyhas been initialized,Trueis returned; otherwise,IsEmptyreturnsFalse.Although
IsEmptycan take an expression as the value ofvarname, it always returnsFalseif more than one variable is used in the expression.IsEmptyis therefore most commonly used with single variables.
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