// Box.h in Ex9_02 #pragma once class CBox { public: CBox(double lv = 1.0, double wv = 1.0, double hv = 1.0): m_Length(lv), m_Width(wv), m_Height(hv){} //Function to calculate the volume of a CBox object double Volume() const { return m_Length*m_Width*m_Height; } private: double m_Length; double m_Width; double m_Height; };