Outlook.application and c#

Hi all,
I know that id f I need the list of outlook contacts (in my pc) the code is:

Outlook.Application outlookApp = new Outlook.ApplicationClass();
Outlook.NameSpace outlookNS = outlookApp.GetNamespace("MAPI");

Outlook.MAPIFolder folderContacts =
outlookNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderContacts);

MessageBox.Show(folderContacts.Items.Count.ToString());

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But if outlook is installed in a remote pc and I want to access it ????

Many thanks