class A
{

  protected:
        int i;
};

class B: public A
{
  public:
        void DoAction(A& ra)
        {
                ra.i = 2;
        }        
};

void main()
{
}

Компиляю. И получаю:

F:\PRJ\!!! TESTS>cl 1.cpp
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8804 for 80x86
Copyright (C) Microsoft Corp 1984-1998. All rights reserved.

1.cpp
1.cpp(13) : error C2248: 'i' : cannot access protected member declared in class 'A'
1.cpp(5) : see declaration of 'i'


Почему A::i недоступно в потомке?