## Uses of Interface
com.google.gwt.event.logical.shared.OpenHandler

- Packages that use OpenHandler
  Package | Description
  --- | ---
  com.google.gwt.event.logical.shared | Types related to logical events that do not have direct analogues to DOM events and which can be used in contexts other than web browsers.
  com.google.gwt.user.cellview.client | The "cellview" widget set.
  com.google.gwt.user.client.ui | Widgets, Panels, and other user-interface classes.

- - ### Uses of OpenHandler in com.google.gwt.event.logical.shared

    Methods in com.google.gwt.event.logical.shared that return types with arguments of type OpenHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `GwtEvent.Type<OpenHandler<T>>` | OpenEvent.`getAssociatedType()` |
    `static GwtEvent.Type<OpenHandler<?>>` | OpenEvent.`getType()` | Gets the type associated with this event.

    Methods in com.google.gwt.event.logical.shared with parameters of type OpenHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `HandlerRegistration` | HasOpenHandlers.`addOpenHandler​(OpenHandler<T> handler)` | Adds an `OpenEvent` handler.
    `protected void` | OpenEvent.`dispatch​(OpenHandler<T> handler)` |

  - ### Uses of OpenHandler in com.google.gwt.user.cellview.client

    Methods in com.google.gwt.user.cellview.client with parameters of type OpenHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `HandlerRegistration` | AbstractCellTree.`addOpenHandler​(OpenHandler<TreeNode> handler)` |

  - ### Uses of OpenHandler in com.google.gwt.user.client.ui

    Classes in com.google.gwt.user.client.ui that implement OpenHandler
    Modifier and Type | Class | Description
    --- | --- | ---
    `(package private) static class` | `ListenerWrapper.WrappedOldDisclosureHandler` | Deprecated.
    `(package private) static class` | `ListenerWrapper.WrappedTreeListener` | Deprecated.

    Methods in com.google.gwt.user.client.ui with parameters of type OpenHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `HandlerRegistration` | DisclosurePanel.`addOpenHandler​(OpenHandler<DisclosurePanel> handler)` |
    `HandlerRegistration` | Tree.`addOpenHandler​(OpenHandler<TreeItem> handler)` |