[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'fpjson' (#fcl)

# TJSONObject.Nulls

Named access to null values

## Declaration

Source position: fpjson.pp line 740

`public property TJSONObject.Nulls[AName: string] : Boolean read GetIsNull write SetIsNull;`

## Description

Nulls allows to retrieve or set the NULL values in the object by name. If a non-existent name is specified, an EJSON exception is raised when reading. When writing, any existing value is replaced by a null value.

## See also

TJSONData.Items |  | Indexed access to sub-items
TJSONObject.Names |  | Indexed access to the names of elements.
Elements
Integers
Int64s
Booleans
Strings
Floats
Arrays
Types
Objects

Documentation generated on: May 14 2021