// Copyright (c) .NET Foundation. All rights reserved. // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. using System; namespace Microsoft.AspNet.Mvc { [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)] public class AreaAttribute : RouteConstraintAttribute { public AreaAttribute(string areaName) : base("area", areaName, blockNonAttributedActions: true) { if (string.IsNullOrEmpty(areaName)) { throw new ArgumentException("Area name must not be empty", nameof(areaName)); } } } }