Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/codedom/CodeObject.cs

@@ -0,0 +1,47 @@
+//------------------------------------------------------------------------------
+// <copyright file="CodeObject.cs" company="Microsoft">
+// 
+// <OWNER>[....]</OWNER>
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.CodeDom {
+
+    using System.Collections;
+    using System.Collections.Specialized;
+    using System.Runtime.Serialization;
+    using System.Runtime.InteropServices;
+
+    /// <devdoc>
+    ///    <para>
+    ///       The base class for CodeDom objects
+    ///    </para>
+    /// </devdoc>
+    [
+        ClassInterface(ClassInterfaceType.AutoDispatch),
+        ComVisible(true),
+        Serializable,
+    ]
+    public class CodeObject {
+        private IDictionary userData = null;
+
+        /// <devdoc>
+        ///    <para>[To be supplied.]</para>
+        /// </devdoc>
+        public CodeObject() {
+        }
+
+        /// <devdoc>
+        ///    <para>[To be supplied.]</para>
+        /// </devdoc>
+        public IDictionary UserData {
+            get {
+                if (userData == null) {
+                    userData = new ListDictionary();
+                }
+                return userData;
+            }
+        }
+    }
+}