Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebParts/WebBrowsableAttribute.cs

@@ -0,0 +1,70 @@
+//------------------------------------------------------------------------------
+// <copyright file="WebBrowsableAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls.WebParts {
+
+    using System;
+    using System.ComponentModel;
+
+    /// <devdoc>
+    /// </devdoc>
+    [AttributeUsage(AttributeTargets.Property)]
+    public sealed class WebBrowsableAttribute : Attribute {
+
+        /// <devdoc>
+        /// </devdoc>
+        public static readonly WebBrowsableAttribute Yes = new WebBrowsableAttribute(true);
+
+        /// <devdoc>
+        /// </devdoc>
+        public static readonly WebBrowsableAttribute No = new WebBrowsableAttribute(false);
+
+        /// <devdoc>
+        /// </devdoc>
+        public static readonly WebBrowsableAttribute Default = No;
+
+        private bool _browsable;
+
+        /// <devdoc>
+        /// </devdoc>
+        public WebBrowsableAttribute() : this(true) {
+        }
+
+        /// <devdoc>
+        /// </devdoc>
+        public WebBrowsableAttribute(bool browsable) {
+            _browsable = browsable;
+        }
+
+        /// <devdoc>
+        /// </devdoc>
+        public bool Browsable {
+            get {
+                return _browsable;
+            }
+        }
+
+        /// <internalonly/>
+        public override bool Equals(object obj) {
+            if (obj == this) {
+                return true;
+            }
+
+            WebBrowsableAttribute other = obj as WebBrowsableAttribute;
+            return (other != null) && (other.Browsable == Browsable);
+        }
+
+        /// <internalonly/>
+        public override int GetHashCode() {
+            return _browsable.GetHashCode();
+        }
+
+        /// <internalonly/>
+        public override bool IsDefaultAttribute() {
+            return this.Equals(Default);
+        }
+    }
+}