mcs/class/corlib/System.Runtime.InteropServices/OptionalAttribute.cs

   1 using System;
   2
   3 namespace System.Runtime.InteropServices {
   4
   5         [AttributeUsage (AttributeTargets.Parameter)]
   6         public sealed class OptionalAttribute : Attribute {
   7                 public OptionalAttribute () {
   8                 }
   9         }
  10 }