virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
virtual bool OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display);
void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
virtual bool OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display);
void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);