#include <TopoDS.hxx>
#include <GeomAdaptor_Curve.hxx>
-#define MY_CURVE (*(static_cast<Handle_Geom_Curve*>(myImpl)))
+#define MY_CURVE (*(implPtr<Handle_Geom_Curve>()))
GeomAPI_Curve::GeomAPI_Curve()
: GeomAPI_Interface(new Handle_Geom_Curve()), myStart(0), myEnd(1)