static void SetEventOrigin(UIEventArgs e, CssBoxHitChain hitChain)
        {
            int count = hitChain.Count;

            if (count > 0)
            {
                e.SetExactHitObject(hitChain.GetHitInfo(count - 1).hitObject);
            }
        }
 static void SetEventOrigin(UIEventArgs e, VgHitChain hitChain)
 {
     int count = hitChain.Count;
     if (count > 0)
     {
         VgHitInfo hitInfo = hitChain.GetHitInfo(count - 1);
         e.SetExactHitObject(hitInfo);
     }
 }