VarIsNull

Indicates whether the specified Variant is Null.

Structure

VarIsNull(const V: Variant): Boolean;

Parameters

Return Value

Description

VarIsNull returns True if the given Variant contains the value Null. If the Variant contains any other value, the function result is False.

Note

Do not confuse a Null Variant with an unassigned Variant. A Null Variant is still assigned, but has the value Null. Unlike unassigned Variants, Null Variants can be used in expressions and can be converted to other types of Variants. |