GetJsonLength

GetJsonLength 1:

This method returns the length of a property if this is a JSON document.

Syntax

METHOD GetJsonLength : UDINT
VAR_INPUT
  v : SJsonValue;
END_VAR

GetJsonLength 2: Return value

Name

Type

GetJsonLength

UDINT

GetJsonLength 3: Inputs

Name

Type

v

SJsonValue (note possible invalidity)

Sample call:

jsonDoc  := fbJson.ParseDocument(sExistingJsonDocument);
jsonProp := fbJson.FindMember(jsonDoc, 'property');
nLen     := fbJson.GetJsonLength(jsonProp);