Creates a new #GtkTreeModel, with @child_model as the child_model and @root as the virtual root.
A #GtkTreeModel.
A #GtkTreePath or %NULL.
A new #GtkTreeModel.
ConstructionException GTK+ fails to create the object.
2.4
See Implementation
Creates a new #GtkTreeModel, with @child_model as the child_model and @root as the virtual root.