Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/sys/system/configuration/ConfigurationSettings.cs

@@ -0,0 +1,28 @@
+//------------------------------------------------------------------------------
+// <copyright file="ConfigurationSettings.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Configuration {
+
+    using System.Collections.Specialized;
+
+    public sealed class ConfigurationSettings {
+        private ConfigurationSettings() {}
+
+        [Obsolete("This method is obsolete, it has been replaced by System.Configuration!System." +
+                  "Configuration.ConfigurationManager.AppSettings")]
+        public static NameValueCollection AppSettings {
+            get {
+                return ConfigurationManager.AppSettings;
+            }
+        }
+
+        [Obsolete("This method is obsolete, it has been replaced by System.Configuration!System." +
+                  "Configuration.ConfigurationManager.GetSection")]
+        public static object GetConfig(string sectionName) {
+            return ConfigurationManager.GetSection( sectionName );
+        }
+    }
+}