Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/OrderedDictionaryStateHelper.cs

@@ -0,0 +1,44 @@
+// <copyright file="OrderedDictionaryStateHelper.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI {
+    
+    using System;
+    using System.Collections;
+    using System.Collections.Specialized;
+    using System.Runtime.Serialization;
+    using System.Web.Util;
+
+    internal static class OrderedDictionaryStateHelper {
+        public static void LoadViewState(IOrderedDictionary dictionary, ArrayList state) {
+            if (dictionary == null) {
+                throw new ArgumentNullException("dictionary");
+            }
+            if (state == null) {
+                throw new ArgumentNullException("state");
+            }
+
+            if (state != null) {
+                for (int i = 0; i < state.Count; i++) {
+                    Pair pairEntry = (Pair)state[i];
+                    dictionary.Add(pairEntry.First, pairEntry.Second);
+                }
+            }
+        }
+
+        public static ArrayList SaveViewState(IOrderedDictionary dictionary) {
+            if (dictionary == null) {
+                throw new ArgumentNullException("dictionary");
+            }
+
+            ArrayList list = new ArrayList(dictionary.Count);
+            foreach (DictionaryEntry entry in dictionary) {
+                list.Add(new Pair(entry.Key, entry.Value));
+            }
+            return list;
+        }
+    }
+}
+