mcs/errors/cs0657-22.cs

   1 // CS0657: `field' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `event, method'
   2 // Line: 8
   3
   4 using System;
   5
   6 abstract class X
   7 {
   8         [field:NonSerialized]
   9         public abstract event EventHandler XEvent;
  10 }