Compiler Error C2602

'class::identifier' is not a member of a base class of 'class'

An access declaration was made for the specified identifier, but it is not a member of a base class.

A member of a class or structure cannot be accessed in another class that is not derived from the member's class.

The following is an example of this error:

struct X
{
   int x;
};
struct A
{
   int a;
};
struct B : public A
{
   X::x;       // error, B is not derived from X
   A::a;       // OK
};