namespace System.Security.Permissions { [Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")] [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = true, Inherited = false)] public sealed class IsolatedStorageFilePermissionAttribute : IsolatedStoragePermissionAttribute { public IsolatedStorageFilePermissionAttribute(SecurityAction action) : base(action) { } public override IPermission CreatePermission() { return null; } } }