Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/ControlBuilderAttribute.cs

@@ -0,0 +1,85 @@
+//------------------------------------------------------------------------------
+// <copyright file="ControlBuilderAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.Web.UI {
+
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+
+
+    /// <devdoc>
+    /// <para>Allows a control to specify a custom <see cref='System.Web.UI.ControlBuilder'/> object
+    ///    for building that control within the ASP.NET parser.</para>
+    /// </devdoc>
+    [AttributeUsage(AttributeTargets.Class)]
+    public sealed class ControlBuilderAttribute : Attribute {
+
+
+        /// <internalonly/>
+        /// <devdoc>
+        /// <para>The default <see cref='System.Web.UI.ControlBuilderAttribute'/> object is a 
+        /// <see langword='null'/> builder. This field is read-only.</para>
+        /// </devdoc>
+        public static readonly ControlBuilderAttribute Default = new ControlBuilderAttribute(null);
+
+        private Type builderType = null;
+
+
+
+        /// <devdoc>
+        /// </devdoc>
+        public ControlBuilderAttribute(Type builderType) {
+            this.builderType = builderType;
+        }
+
+
+        /// <devdoc>
+        ///    <para> Indicates XXX. This property is read-only.</para>
+        /// </devdoc>
+        public Type BuilderType {
+            get {
+                return builderType;
+            }
+        }
+
+
+
+        /// <internalonly/>
+        /// <devdoc>
+        ///    <para>[To be supplied.]</para>
+        /// </devdoc>
+        [SuppressMessage("Microsoft.Usage", "CA2303:FlagTypeGetHashCode", Justification = "The type is a ControlBuilder which is never going to be an interop class.")]
+        public override int GetHashCode()
+        {
+            return ((BuilderType != null) ? BuilderType.GetHashCode() : 0);
+        }
+
+
+        /// <internalonly/>
+        /// <devdoc>
+        /// </devdoc>
+        public override bool Equals(object obj) {
+            if (obj == this) {
+                return true;
+            }
+            if ((obj != null) && (obj is ControlBuilderAttribute)) {
+                return((ControlBuilderAttribute)obj).BuilderType == builderType;
+            }
+
+            return false;
+        }
+
+
+        /// <devdoc>
+        /// </devdoc>
+        /// <internalonly/>
+        public override bool IsDefaultAttribute() {
+            return this.Equals(Default);
+        }
+    }
+}