C# Dictionary序列化/反序列化

[Serializable]  
public class SerializableDictionary<TKey, TValue> : Dictionary<TKey, TValue>, IXmlSerializable  
{  
    public SerializableDictionary() { }  
    public void WriteXml(XmlWriter write)       // Serializer  
    {  
        XmlSerializer KeySerializer = new XmlSerializer(typeof(TKey));  
        XmlSerializer ValueSerializer = new XmlSerializer(typeof(TValue));  
  
        foreach (KeyValuePair<TKey, TValue> kv in this)  
        {  
            write.WriteStartElement("SerializableDictionary");  
            write.WriteStartElement("key");  
            KeySerializer.Serialize(write, kv.Key);  
            write.WriteEndElement();  
            write.WriteStartElement("value");  
            ValueSerializer.Serialize(write, kv.Value);  
            write.WriteEndElement();  
            write.WriteEndElement();  
        }  
    }  
    public void ReadXml(XmlReader reader)       // Deserializer  
    {  
        reader.Read();  
        XmlSerializer KeySerializer = new XmlSerializer(typeof(TKey));  
        XmlSerializer ValueSerializer = new XmlSerializer(typeof(TValue));  
  
        while (reader.NodeType != XmlNodeType.EndElement)  
        {  
            reader.ReadStartElement("SerializableDictionary");  
            reader.ReadStartElement("key");  
            TKey tk = (TKey)KeySerializer.Deserialize(reader);  
            reader.ReadEndElement();  
            reader.ReadStartElement("value");  
            TValue vl = (TValue)ValueSerializer.Deserialize(reader);  
            reader.ReadEndElement();  
            reader.ReadEndElement();  
            this.Add(tk, vl);  
            reader.MoveToContent();  
        }  
        reader.ReadEndElement();  
  
    }  
    public XmlSchema GetSchema()  
    {  
        return null;  
    }  
}  

using (FileStream fileStream = new FileStream(fileName, FileMode.Create))  
{  
    XmlSerializer xmlFormatter = new XmlSerializer(typeof(SerializableDictionary<string, string>));  
    xmlFormatter.Serialize(fileStream, this.serializableDictionary);  
} 

using (FileStream fileStream = new FileStream(fileName, FileMode.Open))  
{  
    XmlSerializer xmlFormatter = new XmlSerializer(typeof(SerializableDictionary<string, string>));  
    this.serializableDictionary = (SerializableDictionary<string,string>)xmlFormatter.Deserialize(fileStream);  
}  

http://blog.csdn.net/woaixiaozhe/article/details/7873582