gtk/tree_view.go
func (v *TreeView) GetModel() (*TreeModel, error) {
	c := C.gtk_tree_view_get_model(v.native())
	if c == nil {
		return nil, nil
	}
	return wrapTreeModel(glib.Take(unsafe.Pointer(c))), nil
}
func (v *TreeView) GetModel() (*TreeModel, error) {
	c := C.gtk_tree_view_get_model(v.native())
	if c == nil {
		return nil, nil
	}
	return wrapTreeModel(glib.Take(unsafe.Pointer(c))), nil
}
// GetModel is a wrapper around gtk_tree_view_get_model().