VarIsClear

Check if a variant is clear

Declaration

Source position: variants.pp line 77

  function VarIsClear(const V: Variant) : Boolean;

Description

VarIsClear returns True if the variant V is empty, or it is a dispatch type with value Nil. For custom types, the decision is left to the custom type.

See also

Name Description
VarIsEmpty Check if the variant is empty
VarIsNull Check if a variant is null
VarIsNumeric Check if the variant is a numerical value
VarIsStr Check if the variant is a string