Control the step size
Use this call to set step size. This value is used when scroller scroll by arrow key event.
Overridden from Efl.Ui.Scrollable.step_size (get, set).
@property step_size @pure_virtual { get {} set {} values { step: Eina.Position2D; } }
Eina_Position2D efl_ui_scrollable_step_size_get(const Eo *obj); void efl_ui_scrollable_step_size_set(Eo *obj, Eina_Position2D step);