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

## Interface DisclosureHandler

- All Superinterfaces:
    `java.util.EventListener`

      @Deprecated
      public interface DisclosureHandler
      extends java.util.EventListener

  Deprecated.
  Use `CloseHandler` and/or `OpenHandler` instead
  Event handler interface for `DisclosureEvent`.
  See Also:
    `DisclosurePanel`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onClose​(DisclosureEvent event)` | Deprecated. Use `CloseHandler` instead
    `void` | `onOpen​(DisclosureEvent event)` | Deprecated. Use `OpenHandler` instead

- - ### Method Detail

    - #### onClose

          @Deprecated
          void onClose​(DisclosureEvent event)

      Deprecated.
      Use `CloseHandler` instead
      Fired when the panel is closed.
      Parameters:
        `event` - event representing this action.

    - #### onOpen

          @Deprecated
          void onOpen​(DisclosureEvent event)

      Deprecated.
      Use `OpenHandler` instead
      Fired when the panel is opened.
      Parameters:
        `event` - event representing this action.