LOTUSSCRIPT LANGUAGE

IsUnknown function
Tests the value of an expression to determine whether it has the OLE value V_IUNKNOWN.

Syntax

IsUnknown ( expr )

Elements

expr


Return value

The IsUnknown function returns True (-1) if expr is a Variant and the value of expr is V_IUNKNOWN. This value may be returned by a call to a property or method of an OLE Automation object. Otherwise IsUnknown returns False (0).

See Also