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
