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Reference for unit 'Variants' (#rtl)

VarIsEmptyParam

Check if the variant is an error value for VAR_PARAMNOTFOUND

Declaration

Source position: variants.pp line 104

function VarIsEmptyParam(

const V: Variant

):Boolean;

V

Variant to check

True if it is an error value

VarIsEmptyParam returns True if the variant V is an error typed variant with value VAR_PARAMNOTFOUND, or False otherwise.

VarIsError		Check if the variant has type `varError`
SetClearVarToEmptyParam		Create an error variant with value `VAR_PARAMNOTFOUND`