private static void Swipe4Axis_AddMethod(E_DIRECTION type, GestureDelegate method)
    {
        if (Gesture4AxisSwipe._instance == null)
        {
            Gesture4AxisSwipe gestureSwipe = new Gesture4AxisSwipe();
            SimpleGesture.Instance.oneFingerGestures.Add(gestureSwipe);
        }

        Gesture4AxisSwipe._instance.SetType(type);
        Gesture4AxisSwipe._instance.AddDelegate(method);
    }
 public override void Delete()
 {
     Gesture4AxisSwipe._instance = null;
 }
    // CONSTRUCTOR: ----------------------------------------------------------------------------------------------------

    public Gesture4AxisSwipe() : base()
    {
        Gesture4AxisSwipe._instance = this;
    }