class CRectangle : public CShape
{
private:
    CRectView pView;
public:
    virtual void GetShapeInfo(POINT& ptTopLeft, POINT& ptBottomRight)
    {
        pView.GetOrigin(ptTopLeft.x, ptTopLeft.y);
        pView.GetSize(ptBottomRight.x - ptTopLeft.x, ptBottomRight.y - ptTopLeft.y);
    }
};