Unit 'Variants'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#rtl]

VarIsNull

Check if a variant is null.

Declaration

Source position: variants.pp line 83

function VarIsNull(

const V: Variant

):Boolean;

VarIsNull returns True if the type of the variant V is varNull. No dereferencing is done.

VarIsEmpty		Check if the variant is empty.
VarType		Return the type of a variant.
VarIsNumeric		Check if the variant is a numerical value.
VarIsStr		Check if the variant is a string.