Step_Button

  (subclass of 9.1.3.2 Button)

An autorepeating Button. If you press and hold a mouse button above a Step_Button it will repeatedly call its action.

To use a Step_Button simply create it by

button = (BUTTON *)GRAPE (Step_Button, "new-instance")
        (method, instance, "name");

instead of

button = (BUTTON *)GRAPE (Button, "new-instance")
        (method, instance, "name");