--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Demo/WebServices/ObjectModel/XmlMap.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.Xml;
+using System.Xml.Schema;
+using System.Xml.Serialization;
+
+using BLToolkit.TypeBuilder;
+
+namespace Demo.WebServices.ObjectModel
+{
+	[Serializable]
+	public class XmlMap<TKey, TValue>: Dictionary<TKey, TValue>, IXmlSerializable
+	{
+		private const string KEY_NAME     = "k";
+		private const string VALUE_NAME   = "v";
+
+		private static readonly XmlSerializer<TKey>   _keySerializer   = new XmlSerializer<TKey>(KEY_NAME);
+		private static readonly XmlSerializer<TValue> _valueSerializer = new XmlSerializer<TValue>(VALUE_NAME);
+
+		#region IXmlSerializable members
+
+		XmlSchema IXmlSerializable.GetSchema()
+		{
+			return null;
+		}
+
+		void IXmlSerializable.ReadXml(XmlReader reader)
+		{
+			if (!reader.ReadToDescendant(KEY_NAME))
+			{
+				reader.Skip();
+				return;
+			}
+
+			do
+			{
+				Add(_keySerializer.Deserialize(reader),
+				    _valueSerializer.Deserialize(reader));
+			}
+			while (reader.NodeType != XmlNodeType.EndElement);
+
+			reader.ReadEndElement();
+		}
+
+		void IXmlSerializable.WriteXml(XmlWriter writer)
+		{
+			foreach (KeyValuePair<TKey, TValue> pair in this)
+			{
+				_keySerializer  .Serialize(writer, pair.Key);
+				_valueSerializer.Serialize(writer, pair.Value);
+			}
+		}
+
+		#endregion
+
+		private class XmlSerializer<T>
+		{
+			private readonly XmlSerializer _instance;
+
+			public XmlSerializer(string elementName)
+			{
+				_instance = new XmlSerializer(
+					TypeFactory.GetType(typeof(T)), new XmlRootAttribute(elementName));
+			}
+
+			public void Serialize(XmlWriter writer, T value)
+			{
+				_instance.Serialize(writer, value);
+			}
+
+			public T Deserialize(XmlReader reader)
+			{
+				return (T)_instance.Deserialize(reader);
+			}
+		}
+	}
+}
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