* all the descendents of the node in its flat data collection. This is useful for
* rendering a tree structure to a DataView and is being used internally by
* the TreeView. Any records that are moved, removed, inserted or appended to the
* all the descendents of the node in its flat data collection. This is useful for
* rendering a tree structure to a DataView and is being used internally by
* the TreeView. Any records that are moved, removed, inserted or appended to the