Unit 'fpjson'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Index]	[#fcl]

TJSONNull

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Class to represent boolean JSON data.

Declaration

Source position: fpjson.pp line 468

`type TJSONNull = class(TJSONData)`
`public`
`class function JSONType; override;`		native JSON data type.
`procedure Clear; override;`		Clear data.
`function Clone; override;`		Clone boolean value.
`end;`

Inheritance

`TJSONNull`		Class to represent boolean JSON data.
\|
`TJSONData`		Base (abstract) object for all JSON based data types.
\|
`TObject`

Description

TJSONNull must be used whenever a null value must be represented.

See also

TJSONFloatNumber		Class to represent floating-point JSON data.
TJSONIntegerNumber		Class to represent 32-bit integer JSON data.
TJSONInt64Number		Class to represent 64-bit integer JSON data.
TJSONBoolean		Class to represent boolean JSON data.
TJSONString		Class to represent string JSON data.
TJSONArray		Class of `TJSONArray`.
TJSONObject		Class of `TJSONObject`.