IsError Function

Syntax:
IsError(expr)
Group: Variable Info
Description:
Return the True if expr is an error code.
Parameter Description

expr A variant expression to test for an error code value.
See Also: TypeName, VarType.
Example:

Sub Main
Dim X As Variant
Debug.Print IsError(X) 'False
X = CVErr(1)
Debug.Print IsError(X) 'True
End Sub