box.h

来自「Visual C++ 2005的源代码」· C头文件 代码 · 共 24 行

// Box.h in Ex9_03
#pragma once
#include <iostream>
using std::cout;
using std::endl;

class CBox
{
  public:
    // Base class constructor
    CBox(double lv = 1.0, double wv = 1.0, double hv = 1.0):
                         m_Length(lv), m_Width(wv), m_Height(hv)
    {  cout << endl << "CBox constructor called";  }

    //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;
};