Method
Returns the name of a named child by index. Array items will return an empty string.
Example
Var person As New JSONItem
// This object is manipulated like a dictionary
person.Value("Name") = "John Doe"
person.Value("Age") = 32
person.Value("Married") = True
person.Value("Spouse") = "Jane Doe"
Var s2 As String
s2 = person.NameAt(1) // returns "Age"