errors/cs0415.cs

   1 // CS0415: The `System.Runtime.CompilerServices.IndexerNameAttribute' attribute is valid only on an indexer that is not an explicit interface member declaration
   2 // Line: 11
   3
   4 using System.Runtime.CompilerServices;
   5
   6 interface A {
   7         int this [int a] { set; }
   8 }
   9
  10 class X : A {
  11         [IndexerName("Error")]
  12         int A.this [int a] { set {} }
  13 }
  14