怎么c#代码编程操作tfs，主要是权限的管理

如何c#代码编程操作tfs，主要是权限的管理
如题

------解决方案--------------------
C# already have two dll for TFS Manage:
Microsoft.TeamFoundation.Client.dll
Microsoft.TeamFoundation.WorkItemTracking.Client.dll

you can do some research for it.