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Reference for unit 'Variants' (#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;

V

Variant to check

True if the type is varError

V

Variant to check

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

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`