// C9_5.cpp : Defines the entry point for the console application.
// 建立子類別

#include "stdafx.h"
#include <iostream>         
#include <cstring>          //利用 strlen() 和 strcpy()
using namespace std;

class CaseBox
{
   public:
      double m_L;
      double m_W;
      double m_H;
      // 預設建構子
      CaseBox(double lv = 1.0, double bv = 1.0, double hv = 1.0):
       m_L(lv), m_W(bv), m_H(hv){}
};

class CaseBoxAA: CaseBox    // 子類別
{
   public:
      char* m_TiTle;

      CaseBoxAA(char* str = "魔宮寶盒")             // 建構子
      {
         m_TiTle = new char[ strlen(str) + 1 ];
         strcpy(m_TiTle, str);
      }

      ~CaseBoxAA()                    // 解構子
      { delete[] m_TiTle; };
};


int main(int argc, char* argv[])
{
   CaseBox TryCase(9.8, 7.2, 3.4);    // 建立物件
   CaseBoxAA Box1;
   CaseBoxAA Box2("Special");       

   cout << endl
        << "TryCase 佔用 " << sizeof TryCase   // 顯示記憶體佔用狀況
        << " 位元組" << endl                      
        << "Box1 佔用 " << sizeof Box1
        << " 位元組" << endl
		<< "Box1.m_TiTle = " << Box1.m_TiTle << endl
        << "Box2 佔用 " << sizeof Box2
		<< " 位元組" << endl 
		<< "Box2 標題 = "  << Box2.m_TiTle << endl;
   cout << "TryCase 長度 : " << TryCase.m_L;
   TryCase.m_L = 10.0;
   cout << endl;
	return 0;
}