Imported Upstream version 4.2.0.179

Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479

external/referencesource/System.Configuration/System/Configuration/PropertyValueOrigin.cs

@@ -0,0 +1,21 @@
+//------------------------------------------------------------------------------
+// <copyright file="PropertyValueOrigin.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Configuration;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Collections;
+using System.Runtime.Serialization;
+
+namespace System.Configuration {
+
+    public enum PropertyValueOrigin {
+        Default = 0,   // Default is retrieved
+        Inherited = 1, // It is inherited
+        SetHere = 2    // It was set here
+    }
+}