Package org.zkoss.zul.event

## Interface TreeDataListener

-     public interface TreeDataListener

  Defines the methods used to listener when the content of `TreeModel` is changed.
  Since:
    3.0.0
  Author:
    Jeff Liu
  See Also:
    `TreeModel`, `TreeDataEvent`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onChange​(TreeDataEvent event)` | Sent when the contents of the tree has changed.

- - ### Method Detail

    - #### onChange

          void onChange​(TreeDataEvent event)

      Sent when the contents of the tree has changed.