dynamic_cast: Cast from Derived * to Base * : derived class « Class « C++ Tutorial

1. C++ Tutorial
2. Class
3. derived class

#include <iostream>
using namespace std;

class Base {
public:
  virtual void f() {
     cout << "Inside Base\n";
  }
};

class Derived : public Base {
public:
  void f() {
     cout << "Inside Derived\n";
  }
};

int main()
{
  Base *bp, b_ob;
  Derived *dp, d_ob;

  bp = dynamic_cast<Base *> (&d_ob);
  if(bp) {
    cout << "Cast from Derived * to Base * OK.\n";
    bp->f();
  } else
    cout << "Error\n";


  cout << endl;

  return 0;
}

Cast from Derived * to Base * OK.
Inside Derived