inbox returning null while trying to access Lotus mail inbox using c#

I am using c# to integrate Lotus mail inbox woth my application.I am trying to debug my c# code and in that process i m getting a null value at my inbox near the code db.GetView("$Inbox").I am accessing Lotus ma开发者_StackOverflow中文版il client8 in my company and i tried accessing the same with my c# application. while debugging i even closed my mail client and tried but result remained same.Please help me where i went wrong..as its very urgent.Thanks in Advance...

It's a hidden folder, use

GetView("($Inbox)")