CustomEvents.cs

using UnityEngine.EventSystems;


namespace UI
{
    // Adopted from https://gist.github.com/stramit/76e53efd67a2e1cf3d2f
    // Extends the ExecuteEvents so that it can use our self-defined event handlers, like IPointerMoveHandler:
    public static class CustomEvents
    {
        // call that does the mapping
        private static void Execute(IPointerHoverHandler handler, BaseEventData eventData)
        {
            // The ValidateEventData makes sure the passed event data is of the correct type
            handler.OnPointerHover (ExecuteEvents.ValidateEventData<PointerEventData> (eventData));
        }

        // helper to return the functor that should be invoked
        public static ExecuteEvents.EventFunction<IPointerHoverHandler> pointerHoverHandler
        {
            get { return Execute; }
        }
    }

}