Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/WebSysDisplayNameAttribute.cs

@@ -0,0 +1,53 @@
+//------------------------------------------------------------------------------
+// <copyright file="WebSysDisplayNameAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.Web {
+
+
+    using System;
+    using System.ComponentModel;   
+
+
+    /// <devdoc>
+    ///     DisplayNameAttribute marks a property, event, or extender with a
+    ///     DisplayName. Visual designers can display this DisplayName when referencing
+    ///     the member.
+    /// </devdoc>
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Event | AttributeTargets.Class)]
+    internal sealed class WebSysDisplayNameAttribute : DisplayNameAttribute {
+
+        private bool replaced;
+
+
+        /// <devdoc>
+        ///    <para>Constructs a new sys DisplayName.</para>
+        /// </devdoc>
+        internal WebSysDisplayNameAttribute(string DisplayName) : base(DisplayName) {
+        }
+
+
+        /// <devdoc>
+        ///    <para>Retrieves the DisplayName text.</para>
+        /// </devdoc>
+        public override string DisplayName {
+            get {
+                if (!replaced) {
+                    replaced = true;
+                    DisplayNameValue = SR.GetString(base.DisplayName);                
+                }
+                return base.DisplayName;
+            }
+        }
+
+        public override object TypeId {
+            get {
+                return typeof(DisplayNameAttribute);
+            }
+        }
+    }
+}