com.smartgwt.client.widgets.tree

## Interface DataChangedHandler

- All Superinterfaces:
    com.google.gwt.event.shared.EventHandler

      public interface DataChangedHandler
      extends com.google.gwt.event.shared.EventHandler

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `onDataChanged(DataChangedEvent event)` Called when the structure of this tree is changed in any way.

- - ### Method Detail

    - #### onDataChanged

          void onDataChanged(DataChangedEvent event)

      Called when the structure of this tree is changed in any way. Intended to be observed.
      Note that on a big change (many items being added or deleted) this may be called multiple times
      Parameters:
        `event` - the event