Package com.google.gwt.user.client.ui

## Interface ChangeListener

- All Superinterfaces:
    `java.util.EventListener`
  All Known Implementing Classes:
    `DelegatingChangeListenerCollection`

      @Deprecated
      public interface ChangeListener
      extends java.util.EventListener

  Deprecated.
  As of GWT 1.6, DOM and logical change events are separate. Use `ChangeHandler` for changes triggered by a DOM-based change event and `ValueChangeHandler` for changes resulting from a logical event such as a method call that changes state
  Event listener interface for 'change' events.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onChange​(Widget sender)` | Deprecated. See the deprecation message on this interface for details

- - ### Method Detail

    - #### onChange

          @Deprecated
          void onChange​(Widget sender)

      Deprecated.
      See the deprecation message on this interface for details
      Fired when a widget changes, where 'change' is defined by the widget sending the event.
      Parameters:
        `sender` - the widget that has changed