Gtk.TreeModel.prototype.iter_n_children
function iter_n_children(iter:Gtk.TreeIter):Number { // Gjs wrapper for gtk_tree_model_iter_n_children() }
Returns the number of children that iter has.
As a special case, if iter is null, then the number of toplevel nodes is returned.
- iter
the Gtk.TreeIter, or null
- Returns
the number of children of iter