+ void CircleHandler(int, Point);
+ void ArcHandler(int, Point);
+ void RotateHandler(int, Point);
+ void MirrorHandler(int, Point);
+ void DimensionHandler(int, Point);
+ void DeleteHandler(int, Point);
+ void TriangulateHandler(int, Point);
+ void TrimHandler(int, Point);
+ void ParallelHandler(int, Point);
+ Rect GetObjectExtents(Object *);