查看 http://www.leeholmes.com/blog他在那里写了一些powershell脚本来从facebook下载专辑。他在这些脚本中使用System.Net.WebClient。你可以从他的powershell脚本中进行1：1的翻译，转换成C＃或VB代码来做你想做的事。

Check out http://www.leeholmes.com/blog where he has written some powershell scripts to download albums from facebook. He uses System.Net.WebClient in those scripts. You can do a 1:1 translation from his powershell scripts into C# or VB code to do what you want.