gtk_ctree_insert_node is deprecated and should not be used in newly-written code.
gtkCTreeInsertNode(object, parent, sibling, text, spacing = 5, pixmap.closed = NULL, mask.closed = NULL, pixmap.opened = NULL, mask.opened = NULL, is.leaf = 1, expanded = 0)objectGtkCTree widget.parentsiblingtextspacingpixmap.closedmask.closedpixmap.openedmask.openedis.leafexpanded