Show the children of a ListBrowser node. The next depth generations will be shown. To only show the next generation, use a depth of 1.
Note that as with any modifications to a ListBrowser list, the list must NOT be attached to the listbrowser at the time of modification.
INPUTS
node
the node whose children you will be showing. The node must NOT be in a list that that is currently attached to a ListBrowser. Safe to call with a NULL pointer.