C#保存CookieContainer到文件

“C# save CookieContainer to file”，发现了一份优雅的代码。
http://stackoverflow.com/questions/1777203/c-writing-a-cookiecontainer-to-disk-and-loading-back-in-for-use

public static void WriteCookiesToDisk(string file, CookieContainer cookieJar)  
{  
    using(Stream stream = File.Create(file))  
    {  
        try {  
            Console.Out.Write("Writing cookies to disk... ");  
            BinaryFormatter formatter = new BinaryFormatter();  
            formatter.Serialize(stream, cookieJar);  
            Console.Out.WriteLine("Done.");  
        } catch(Exception e) {  
            Console.Out.WriteLine("Problem writing cookies to disk: " + e.GetType());  
        }  
    }  
}     
   
public static CookieContainer ReadCookiesFromDisk(string file)  
{  
    try {  
        using(Stream stream = File.Open(file, FileMode.Open))  
        {  
            Console.Out.Write("Reading cookies from disk... ");  
            BinaryFormatter formatter = new BinaryFormatter();  
            Console.Out.WriteLine("Done.");  
            return (CookieContainer)formatter.Deserialize(stream);  
        }  
    } catch(Exception e) {  
        Console.Out.WriteLine("Problem reading cookies from disk: " + e.GetType());  
        return new CookieContainer();  
    }  
}  