using System.Security; using System.Security.Permissions; namespace System.Net { [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = true, Inherited = false)] public sealed class DnsPermissionAttribute : CodeAccessSecurityAttribute { public DnsPermissionAttribute(SecurityAction action) : base(action) { } public override IPermission CreatePermission() { return null; } } }