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

TJSONData.IsNull

Is the data a null value ?

Declaration

Source position: fpjson.pp line 134

public property TJSONData.IsNull : Boolean
  read GetIsNull;

Description

IsNull is True only for JSONType=jtNull, i.e. for a TJSONNull instance. In all other cases, it is False. This value cannot be set.

See also

TJSONType

  

Possible types of JSON data

JSONType

TJSONNull

  

Class to represent boolean JSON data.

AsFloat

Value

AsInt64

AsString

AsInteger

AsBoolean

AsJSON


Documentation generated on: Sep 28 2017