Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/HtmlControls/HtmlTitle.cs

@@ -0,0 +1,61 @@
+namespace System.Web.UI.HtmlControls {
+    using System;
+    using System.ComponentModel;
+
+    public class HtmlTitle : HtmlControl {
+        private string _text;
+
+
+        public HtmlTitle() : base("title") {
+        }
+
+
+        [
+        WebCategory("Appearance"),
+        DefaultValue(""),
+        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
+        Localizable(true),
+        PersistenceMode(PersistenceMode.InnerDefaultProperty)
+        ]
+        public virtual string Text {
+            get {
+                if (_text == null) {
+                    return String.Empty;
+                }
+                return _text;
+            }
+            set {
+                _text = value;
+            }
+        }
+
+
+        protected override void AddParsedSubObject(object obj) {
+            if (obj is LiteralControl) {
+                _text = ((LiteralControl)obj).Text;
+            }
+            else {
+                base.AddParsedSubObject(obj);
+            }
+        }
+
+        // Allow child controls to support databinding expressions as inner text.
+        protected override ControlCollection CreateControlCollection() {
+            return new ControlCollection(this);
+        }
+
+
+        protected internal override void Render(HtmlTextWriter writer) {
+            writer.RenderBeginTag(HtmlTextWriterTag.Title);
+
+            if (HasControls() || HasRenderDelegate()) {
+                RenderChildren(writer);
+            }
+            else if (_text != null) {
+                writer.Write(_text);
+            }
+
+            writer.RenderEndTag();
+        }
+    }
+}