Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/MessageParameterAttribute.cs

@@ -0,0 +1,38 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System;
+    using System.ServiceModel.Channels;
+
+    [AttributeUsage(ServiceModelAttributeTargets.Parameter, Inherited = false)]
+    public sealed class MessageParameterAttribute : Attribute
+    {
+        string name;
+        bool isNameSetExplicit;
+        internal const string NamePropertyName = "Name";
+        public string Name
+        {
+            get { return name; }
+            set
+            {
+                if (value == null)
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
+                }
+                if (value == string.Empty)
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value",
+                        SR.GetString(SR.SFxNameCannotBeEmpty)));
+                }
+                name = value; isNameSetExplicit = true;
+            }
+        }
+
+        internal bool IsNameSetExplicit
+        {
+            get { return isNameSetExplicit; }
+        }
+    }
+}