com.google.gwt.event.logical.shared

## Interface BeforeSelectionHandler<T>

- Type Parameters:
    `T` - the type about to be selected
  All Superinterfaces:
    EventHandler
  All Known Implementing Classes:
    ListenerWrapper.WrappedTabListener

      public interface BeforeSelectionHandler<T>
      extends EventHandler

  Handler interface for `BeforeSelectionEvent` events.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `onBeforeSelection(BeforeSelectionEvent<T> event)` Called when `BeforeSelectionEvent` is fired.

- - ### Method Detail

    - #### onBeforeSelection

          void onBeforeSelection(BeforeSelectionEvent<T> event)

      Called when `BeforeSelectionEvent` is fired.
      Parameters:
        `event` - the `BeforeSelectionEvent` that was fired