System.JSON.TJSONNull.AsTValue

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Delphi

function AsTValue(ATypeInfo: PTypeInfo; var AValue: TValue): Boolean; override;

C++

virtual bool __fastcall AsTValue(System::Typinfo::PTypeInfo ATypeInfo, System::Rtti::TValue &AValue);

Properties

Type	Visibility	Source	Unit	Parent
function	protected	System.JSON.pas System.JSON.hpp	System.JSON	TJSONNull

Description

Fills the specified AValue instance of TValue with the value of this JSON null value, encoded using the specified type. It returns True if the specified type is supported or False otherwise.

Supported TTypeData types are:

Supported Types	Description
tkString tkLString tkWString tkUString	Fills AValue with an empty string ''.
tkClass	Fills AValue as is.

See Also

• System.Rtti.TValue
• System.TypInfo.PTypeInfo
• System.TypInfo.TTypeData