VarIsNull

Check if a variant is null

Declaration

Source position: variants.pp line 76

  function VarIsNull(const V: Variant) : Boolean;

Description

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

See also

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