// CS1540: Cannot access protected member `A.n' via a qualifier of type `B'. The qualifier must be of type `C.N' or derived from it // Line: 12 class A { protected int n = 0; } class B : A { } class C : B { class N { static internal int foo (B b) { return b.n; } } public static int Main () { return N.foo (new B ()); } }