看看下面的链接.

http://msdn.microsoft.com/en-us/library/ff649227.aspx

Have a look at below link.

http://msdn.microsoft.com/en-us/library/ff649227.aspx

这是一篇非常不错的文章，逐步讨论了如何使用AD
方法:(几乎)通过C#将Active Directory中的所有内容 [在VB.NET中使用Active Directory [

This is very nice article that discussed step by step using of AD
Howto: (Almost) Everything In Active Directory via C#[^]
As you are looking for VB.NET, this can be helpful for you
Working with Active Directory in VB.NET[^]