Function pointers and classes

    
class A
{
public:
long AFunc(void(*pfn)(void))
{
//Do something

}
};
long MyFunc();
void main()
{
A MyA;
MyA.AFunc(&MyFunc); //This is ok

}
long MyFunc()
{
//Do something

}
  
As could see, the above is legitimate.  However, 
      
//Assume class A is defined

class B
{
protected:
A m_MyA;

public:
void BFunc()
{
m_MyA.AFunc(BFunc2);  //Illegal

}
long BFunc2()
{
//Do something

}
};