This method allows array style access to the children of the current node.
childAt( 3, &pChild ) is similar to the syntax of: pChild = childAt[3]. Note the index starts at zero (not one).
- Parameters
-
| index | [ in ] Array index to node children, {0 .. n-1} |
| pChild | [ out ] Returns a pointer to the child node, can be used for tree walking. |
- Returns
| Success | P6R::eOk | |
| Failure | P6R::eNotInitialized | A successful call to intialize() must be made before calling this funciton. |
| P6R::eInvalidArg | One of the parameters is NULL. |
| P6R::eEndOfRecord | No children at index specified. |
