C# Hashtable的序列化

01.using System.IO;  
02.using System.Runtime.Serialization.Formatters.Binary;  
03.....  
04....  
05.  
06.Hashtable aa = new Hashtable();  
07.  
08.private void buttonSave_Click(object sender, EventArgs e)  
09.{  
10.    FileStream fs = new FileStream("e:\\aa.dat", FileMode.Create);  
11.    BinaryFormatter bf = new BinaryFormatter();  
12.    bf.Serialize(fs, aa);  
13.    fs.Close();  
14.}  
15.  
16.private void buttonLoad_Click(object sender, EventArgs e)  
17.{  
18.    aa.Clear();  
19.    FileStream fs = new FileStream("e:\\aa.dat", FileMode.OpenOrCreate);  
20.    BinaryFormatter bf = new BinaryFormatter();  
21.    aa = (Hashtable)bf.Deserialize(fs);  
22.    fs.Close();  
23.}