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

VarIsError

Check if the variant has type varError.

Declaration

Source position: variants.pp line 111

function VarIsError(

  const V: Variant;

  out AResult: HRESULT

):Boolean;

function VarIsError(

  const V: Variant

):Boolean;

Arguments

V

  

Variant to check.

Function result

True if the type is varError.

Arguments

V

  

Variant to check.

Description

VarIsError checks V and returns True if the type is varError.

See also

VarIsNull

  

Check if a variant is null.

VarIsEmpty

  

Check if the variant is empty.

VarIsOrdinal

  

Check if the variant is an ordinal value.

VarIsEmptyParam

  

Check if the variant is an error value for VAR_PARAMNOTFOUND.


Documentation generated on: Jul 24 2023