IsEmpty Function

Syntax IsEmpty(expr)

Group Variable Info

Description Return the True if expr is Empty.

Parameter Description

expr A expression is Empty if it has never been assign a value.

See Also TypeName, VarType.

Example            '#Language "WWB-COM"
Sub Main
    Dim X As Variant
    Debug.Print IsEmpty(X) 'True
    X = 0
    Debug.Print IsEmpty(X) 'False
    X = Empty
    Debug.Print IsEmpty(X) 'True
End Sub