code: func (v *TreeRowReference) GetPath() *TreePath {
  	c := C.gtk_tree_row_reference_get_path(v.native())
  	if c == nil {
  		return nil
  	}
  	t := &TreePath{c}
  	runtime.SetFinalizer(t, (*TreePath).free)
  	return t
  }
docs: // GetPath is a wrapper around gtk_tree_row_reference_get_path.