com.google.gwt.event.dom.client

## Interface HasMouseWheelHandlers

- All Superinterfaces:
    HasHandlers
  All Known Subinterfaces:
    DialogBox.Caption, HasAllMouseHandlers
  All Known Implementing Classes:
    Anchor, Audio, Button, ButtonBase, Canvas, CheckBox, CustomButton, DialogBox.CaptionImpl, DoubleBox, FileUpload, FocusPanel, FocusWidget, HTML, Image, InlineHTML, InlineLabel, IntegerBox, Label, ListBox, LongBox, MediaBase, PasswordTextBox, PushButton, RadioButton, ResetButton, RichTextArea, SimpleCheckBox, SimpleRadioButton, SubmitButton, TextArea, TextBox, TextBoxBase, ToggleButton, Tree, ValueBox, ValueBoxBase, Video

      public interface HasMouseWheelHandlers
      extends HasHandlers

  A widget that implements this interface provides registration for `MouseWheelHandler` instances.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `HandlerRegistration` | `addMouseWheelHandler(MouseWheelHandler handler)` Adds a `MouseWheelEvent` handler.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addMouseWheelHandler

          HandlerRegistration addMouseWheelHandler(MouseWheelHandler handler)

      Adds a `MouseWheelEvent` handler.
      Parameters:
        `handler` - the mouse wheel handler
      Returns:
        `HandlerRegistration` used to remove this handler