System.Variants.TCustomVariantType.VarDataIsEmptyParam

• Up to Parent: TCustomVariantType

Delphi

function VarDataIsEmptyParam(const V: TVarData): Boolean;

C++

bool __fastcall VarDataIsEmptyParam(const TVarData &V);

Properties

Type	Visibility	Source	Unit	Parent
function	protected	System.Variants.pas System.Variants.hpp	System.Variants	TCustomVariantType

Description

Indicates whether a TVarData record represents an unassigned optional parameter.

VarDataIsEmptyParam returns true if the given TVarData record represents an unassigned optional parameter.

See Also

• VarDataIsArray

• VarType