Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Activities/System/Activities/DynamicUpdate/DynamicUpdateMapItem.cs

@@ -0,0 +1,50 @@
+// <copyright>
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+
+namespace System.Activities.DynamicUpdate
+{
+    using System;
+    using System.Activities.XamlIntegration;
+    using System.ComponentModel;
+    using System.Runtime.Serialization;
+    
+    [TypeConverter(typeof(DynamicUpdateMapItemConverter))]
+    [DataContract]
+    public class DynamicUpdateMapItem
+    {
+        internal DynamicUpdateMapItem(int originalId)
+        {
+            this.OriginalId = originalId;
+        }
+
+        internal DynamicUpdateMapItem(int originalVariableOwnerId, int originalVariableId)
+        {
+            this.OriginalVariableOwnerId = originalVariableOwnerId;
+            this.OriginalId = originalVariableId;
+        }
+
+        [DataMember]
+        internal int OriginalId
+        {
+            get;
+            set;
+        }
+
+        [DataMember]
+        internal int OriginalVariableOwnerId
+        {
+            get;
+            set;
+        }
+
+        internal bool IsVariableMapItem
+        {
+            get
+            {
+                return this.OriginalVariableOwnerId > 0;
+            }
+        }
+    }
+}
+