errors/cs1540-11.cs

   1 // CS1540: Cannot access protected member `A.this[int]' via a qualifier of type `B'. The qualifier must be of type `C' or derived from it
   2 // Line: 14
   3
   4 class A {
   5         protected int this [int i] { get { return i; } }
   6 }
   7
   8 class B : A { }
   9
  10 class C : A {
  11         static int Main ()
  12         {
  13                 B b = new B ();
  14                 return b [0];
  15         }
  16 }