Sets @iter to be the parent of @child.
If @child is at the toplevel, and doesn’t have a parent, then @iter is set to an invalid iterator and %FALSE is returned. @child will remain a valid node after this function has been called.
the new #GtkTreeIter-struct to set to the parent
the #GtkTreeIter-struct
Return: %TRUE, if @iter is set to the parent of @child
See Implementation
Sets @iter to be the parent of @child.
If @child is at the toplevel, and doesn’t have a parent, then @iter is set to an invalid iterator and %FALSE is returned. @child will remain a valid node after this function has been called.