Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/componentmodel/BrowsableAttribute.cs

@@ -0,0 +1,93 @@
+//------------------------------------------------------------------------------
+// <copyright file="BrowsableAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.ComponentModel {
+    using System;
+    using System.ComponentModel;
+    using System.Diagnostics;
+    using System.Security.Permissions;
+
+    /// <devdoc>
+    ///    <para>Specifies whether a property or event should be displayed in
+    ///       a property browsing window.</para>
+    /// </devdoc>
+    [AttributeUsage(AttributeTargets.All)]
+    public sealed class BrowsableAttribute : Attribute {
+        /// <devdoc>
+        ///    <para>
+        ///       Specifies that a property or event can be modified at
+        ///       design time. This <see langword='static '/>
+        ///       field is read-only.
+        ///    </para>
+        /// </devdoc>
+        public static readonly BrowsableAttribute Yes = new BrowsableAttribute(true);
+
+        /// <devdoc>
+        ///    <para>
+        ///       Specifies that a property or event cannot be modified at
+        ///       design time. This <see langword='static '/>field is read-only.
+        ///    </para>
+        /// </devdoc>
+        public static readonly BrowsableAttribute No = new BrowsableAttribute(false);
+
+        /// <devdoc>
+        /// <para>Specifies the default value for the <see cref='System.ComponentModel.BrowsableAttribute'/>,
+        ///    which is <see cref='System.ComponentModel.BrowsableAttribute.Yes'/>. This <see langword='static '/>field is read-only.</para>
+        /// </devdoc>
+        public static readonly BrowsableAttribute Default = Yes;
+
+        private bool browsable = true;
+
+        /// <devdoc>
+        /// <para>Initializes a new instance of the <see cref='System.ComponentModel.BrowsableAttribute'/> class.</para>
+        /// </devdoc>
+        public BrowsableAttribute(bool browsable) {
+            this.browsable = browsable;
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets a value indicating whether an object is browsable.
+        ///    </para>
+        /// </devdoc>
+        public bool Browsable {
+            get {
+                return browsable;
+            }
+        }
+
+        /// <internalonly/>
+        /// <devdoc>
+        /// </devdoc>
+        public override bool Equals(object obj) {
+            if (obj == this) {
+                return true;
+            }
+
+            BrowsableAttribute other = obj as BrowsableAttribute;
+
+            return (other != null) && other.Browsable == browsable;
+        }
+
+        /// <devdoc>
+        ///    <para>[To be supplied.]</para>
+        /// </devdoc>
+        public override int GetHashCode() {
+            return browsable.GetHashCode();
+        }
+
+#if !SILVERLIGHT
+        /// <internalonly/>
+        /// <devdoc>
+        /// </devdoc>
+        public override bool IsDefaultAttribute() {
+            return (this.Equals(Default));
+        }
+#endif
+    }
+}