Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+// <copyright file="DefaultBindingPropertyAttribute.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ */
+namespace System.ComponentModel {
+    using System;
+    using System.Diagnostics;
+    using System.Security.Permissions;
+
+    /// <devdoc>
+    ///    <para>Specifies the default binding property for a component.</para>
+    /// </devdoc>
+    [AttributeUsage(AttributeTargets.Class)]
+    public sealed class DefaultBindingPropertyAttribute : Attribute {
+
+        private readonly string name;
+
+        /// <devdoc>
+        ///    <para>
+        ///       Initializes a new instance of
+        ///       the <see cref='System.ComponentModel.DefaultBindingPropertyAttribute'/> class.
+        ///    </para>
+        /// </devdoc>
+        public DefaultBindingPropertyAttribute() {
+            this.name = null;
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Initializes a new instance of
+        ///       the <see cref='System.ComponentModel.DefaultBindingPropertyAttribute'/> class.
+        ///    </para>
+        /// </devdoc>
+        public DefaultBindingPropertyAttribute(string name) {
+            this.name = name;
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Gets the name of the default binding property for the component this attribute is
+        ///       bound to.
+        ///    </para>
+        /// </devdoc>
+        public string Name {
+            get {
+                return name;
+            }
+        }
+
+        /// <devdoc>
+        ///    <para>
+        ///       Specifies the default value for the <see cref='System.ComponentModel.DefaultBindingPropertyAttribute'/>, which is <see langword='null'/>. This
+        ///    <see langword='static '/>field is read-only. 
+        ///    </para>
+        /// </devdoc>
+        public static readonly DefaultBindingPropertyAttribute Default = new DefaultBindingPropertyAttribute();
+
+        public override bool Equals(object obj) {
+            DefaultBindingPropertyAttribute other = obj as DefaultBindingPropertyAttribute; 
+            return other != null && other.Name == name;
+        }
+
+        public override int GetHashCode() {
+            return base.GetHashCode();
+        }
+    }
+}