Force Node.canResize to true

I am trying to set my Node canResize to be true.
I explicitly call allowResize when I initialize my Diagram and set it to true. I noticed in your implementation of the canResize function, that if the layer to which a node belongs is null then canResize defaults to false. Why is that? How can I allow the resizing of a Node or Part without explicitly assigning the Node to a layer?

Thanks!

Have you set Node.resizable to true?