Handle(Geom_Curve) C = DrawTrSurf::GetCurve(a[2]);
defl = Draw::Atof(a[3]);
- const Handle(Geom_BSplineCurve)& aBS = Handle(Geom_BSplineCurve)::DownCast(C);
+ Handle(Geom_BSplineCurve) aBS (Handle(Geom_BSplineCurve)::DownCast(C));
if(aBS.IsNull()) return 1;