Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/UI/HtmlControls/HtmlLink.cs

@@ -0,0 +1,53 @@
+//------------------------------------------------------------------------------
+// <copyright file="HtmlLink.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.HtmlControls {
+    using System;
+    using System.Security;
+    using System.Security.Permissions;
+    using System.ComponentModel;
+
+    [
+    ControlBuilderAttribute(typeof(HtmlEmptyTagControlBuilder))
+    ]
+    public class HtmlLink : HtmlControl {
+
+        public HtmlLink() : base("link") {
+        }
+
+        [
+        WebCategory("Action"),
+        DefaultValue(""),
+        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
+        UrlProperty(),
+        ]
+        public virtual string Href {
+            get {
+                string s = Attributes["href"];
+                return ((s != null) ? s : String.Empty);
+            }
+            set {
+                Attributes["href"] = MapStringAttributeToString(value);
+            }
+        }
+
+
+        protected override void RenderAttributes(HtmlTextWriter writer) {
+            // Resolve the client href based before rendering the attribute.
+            if (!String.IsNullOrEmpty(Href)) {
+                Attributes["href"] = ResolveClientUrl(Href);
+            }
+
+            base.RenderAttributes(writer);
+        }
+
+        protected internal override void Render(HtmlTextWriter writer) {
+            writer.WriteBeginTag(TagName);
+            RenderAttributes(writer);
+            writer.Write(HtmlTextWriter.SelfClosingTagEnd);
+        }
+    }
+}