Re: Frasncis Glassboro wrote.

On 01/07/2011 02:06 PM, Paul wrote:

#include <iostream>

class C1 {
public:
    virtual void f() {
        std::cout << "C1::f" << std::endl;
    }
};

class C2 : public C1 {
public:
    virtual void f() {
        std::cout << "C2::f" << std::endl;
    }
};

int main () {
  void (C1::*p)() = &C1::f; //create a pointer to a member function

  C1 a; //create a object of type C1
  C1 * b; //create a object of type pointer to C1
  b = new C2(); //allocate a object of type C2

  (a.*p)(); //call the member function pointed to
                                //by p, with &a as this
  (b->*p)(); //call the member function pointed to
                                //by p (virtually), with b as this

  return 0;
}

This code prints the following.

C1::f
C2::f