C# (CSharp) ScrollActions примеры использования

Пример #1

 public static void ScrollPanel(this IScrollableControl @this, ScrollEventType type,
                                ScrollOrientation orientation, int sign)
 => ScrollActions[ScrollActionIndex(type, orientation, sign)](@this);

Пример #2

 public void InputBar_RelayedScroll(object sender, RelayedScrollEventArgs ev)
 {
     ScrollActions[ev.ScrollAction]( );
 }