# Method GTK1.Ctree()->insert_node()

Method insert_node

  `GTK1.Ctree insert_node(GTK1.CTreeNode parent, GTK1.CTreeNode sibling, array text, int is_leaf, int expanded)`

Description

  At least one of parent or sibling must be specified. If both are specified, sibling->parent() must be equal to parent.

  If the parent and sibling is 0, the position is at the root of the tree, if the sibling is NULL, it will be the last child of parent, otherwise it will be inserted just before the sibling.