public bool isParallelTo(Vector2d vec) { bool ret = touchvgPINVOKE.Vector2d_isParallelTo__SWIG_1(swigCPtr, Vector2d.getCPtr(vec)); if (touchvgPINVOKE.SWIGPendingException.Pending) throw touchvgPINVOKE.SWIGPendingException.Retrieve(); return ret; }