Reorders the children of @parent in @tree_store to follow the order indicated by @new_order. Note that this function only works with unsorted stores.
A #GtkTreeIter, or %NULL
an array of integers mapping the new position of each child to its old position before the re-ordering, i.e. @new_order[newpos] = oldpos.
2.2
See Implementation
Reorders the children of @parent in @tree_store to follow the order indicated by @new_order. Note that this function only works with unsorted stores.