//A類與B類的定義
class A
{
public:
  void Test()
  {
    cout << "A::Test()" << endl;
  }
};

class B : public A
{
public:
  void Test()
  {
    cout << "B::Test()" << endl;
  }
};

//定義類的成員函數(shù)指針
typedef void (A::*A_mFun)(void);
typedef void (B::*B_mFun)(void);



int main()
{
  //Code
  A a;
  B b;
  A_mFun pAFun = &(A::Test); //Note:Test成員函數(shù)必須為public,否則會(huì)報(bào)錯(cuò)
  B_mFun pBFun = &(B::Test); //Note:Test成員函數(shù)必須為public,否則會(huì)報(bào)錯(cuò)
  (a.*pAFun)();        //輸出A::Test()
  (b.*pBFun)();        //輸出B::Test()
  (b.*pAFun)();        //輸出A::Test()

  A* pA = &a;
  B* pB = &b;
  (pA->*pAFun)();       //輸出A::Test()
  (pB->*pBFun)();       //輸出B::Test()
  (pB->*pAFun)();       //輸出A::Test(),B*變量可賦值給A*變量


  return 0;
}