errors/cs0626-6.cs

   1 // CS0626: `C.this[int]' is marked as an external but has no DllImport attribute. Consider adding a DllImport attribute to specify the external implementation
   2 // Line: 7
   3 // Compiler options: -warnaserror -warn:1
   4
   5 class C
   6 {
   7         public extern char this[int index]
   8         {
   9                 get;
  10         }
  11 }