// 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; using Microsoft.AspNetCore.Mvc.Routing; namespace Microsoft.AspNetCore.Mvc { [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)] public class AreaAttribute : RouteValueAttribute { public AreaAttribute(string areaName) : base("area", areaName) { if (string.IsNullOrEmpty(areaName)) { throw new ArgumentException("Area name must not be empty", nameof(areaName)); } } } }