- void SetPoint1(Vector *);
- void SetPoint2(Vector *);
- Vector GetPoint1(void);
- Vector GetPoint2(void);
+ virtual Vector GetPointAtParameter(double parameter);
+ virtual void MovePointAtParameter(double parameter, Vector);
+// virtual void Connect(Object *, double);
+// virtual void Disconnect(Object *, double);
+// virtual void DisconnectAll(Object *);
+ virtual QRectF Extents(void);