This is an optional method for models to implement.
To be more specific, models may ignore this call as it exists
primarily for performance reasons. For more information on what
this means, see TreeModel.refNode.
Please note that nodes that are deleted are not unreffed.
Lets the tree unref the node.
This is an optional method for models to implement. To be more specific, models may ignore this call as it exists primarily for performance reasons. For more information on what this means, see TreeModel.refNode.
Please note that nodes that are deleted are not unreffed.