/* 范例：14-14 */
#include <iostream.h>
class A
{
  private:
    class B
    {
      public:
      int c;
      int d;
      /* 屬于“嵌套類”的成員函數參數列設定“外圍類”A類型的mythis對象指針
         變量*/
      void Bfun(A* mythis)  
      {
        mythis->a=100;  //存取外圍類的成員
        mythis->b=50;
        cout<<"mythis->a="<<mythis->a<<"\tmythis->b="
            <<mythis->b<<endl;
      }
    };
  public:
    B obj2;  /* 以嵌套類B為類型，定義數據成員obj2 */
    int a;
    int b;
    /* 參數行中以嵌套類B為類型，定義區域變量mythis */
    void Afun(B* mythis)
    {
      mythis->c=150;  //存取嵌套類的成員
      mythis->d=200;
      cout<<"mythis->c="<<mythis->c<<"\tmythis->d="
<<mythis->d<<endl;
    }
};
void main()
{
  A obj1;
  obj1.Afun(&obj1.obj2);
  obj1.obj2.Bfun(&obj1); 
  getchar();
}