AddItemNull

Description

Adds the child item of JsonNullItem type in the JSON generator object.

Applies to

JSONGenerator objects

Syntax

objectname.AddItemNull ( ParentItemHandle )
objectname.AddItemNull ( ParentItemHandle, Key )

Argument

Description

objectname

The name of the JSONGenerator object in which you want to add an item

ParentItemHandle

A long whose value is the handle of the parent item of JsonArrayItem or JsonObjectItem type

Key

A string whose value is the key of the child item


Return value

Long.

Returns the handle of the new child item if it succeeds and -1 if an error occurs. If any argument's value is null, the method returns null.

Example 1

This example creates an array root item and adds a null child item. The result is [null].

JsonGenerator lnv_JsonGenerator
lnv_JsonGenerator = Create JsonGenerator

// Create an array root item
Long ll_RootArray = lnv_JsonGenerator.CreateJsonArray()

// Add a null child item
lnv_JsonGenerator.AddItemNull(ll_RootArray)

Example 2

This example creates an object root item and adds a null child item. The result is {"null":null}.

JsonGenerator lnv_JsonGenerator
lnv_JsonGenerator = Create JsonGenerator

// Create an object root item
Long ll_RootObject = lnv_JsonGenerator.CreateJsonObject ()

// Add a null child item
lnv_JsonGenerator.AddItemNull(ll_RootObject, "null")

See also

AddItemArray

AddItemBlob

AddItemBoolean

AddItemDate

AddItemDateTime

AddItemNumber

AddItemObject

AddItemString

AddItemTime