public BezierPoint(LineXBezierControl hostControl, EngineNS.Vector2 pos, EngineNS.Vector2 ctrlPos)
     : base(pos, ctrlPos)
 {
     mHostControl = hostControl;
     CalculateOpposite();
 }
 public BezierPoint(LineXBezierControl hostControl)
 {
     mHostControl = hostControl;
 }