Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/Configuration/VersionConverter.cs

@@ -0,0 +1,25 @@
+//------------------------------------------------------------------------------
+// <copyright file="VersionConverter.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Configuration {
+    using System;
+    using System.ComponentModel;
+    using System.Configuration;
+    using System.Globalization;
+
+    internal sealed class VersionConverter : ConfigurationConverterBase {
+
+        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) {
+            return new Version((string)value);
+        }
+
+        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
+            var version = (Version)value;
+            return version.ToString();
+        }
+
+    }
+}