item
(method
)
Owning interface and usage:
Member of these other interfaces:
none
Description:
This method retrieves a node specified by ordinal index. Nodes are numbered in tree order (depth-first traversal order).
Parameters:
| unsigned index |
- |
The index of the node to be fetched. The index origin is 0.
|
Returns:
Node -
The Node at the corresponding position upon success. A value of null is returned if the index is out of range.
Exceptions:
none