using (RegistryKey grooveSettingsRegKey = Registry.CurrentUser.OpenSubKey(
    “Software\\Microsoft\\Office\\12.0\\Groove”))
{
    // Get the URL for web services including the port
    string grooveHost = string.Format(“http://localhost:{0}”, 
       grooveSettingsRegKey.GetValue(“GrooveLocalHTTPPort”, 9080));

    // Get the LocalRequestKey for authentication
    string localRequestKey = (string)grooveSettingsRegKey.OpenSubKey(
        “WebServices”).GetValue(“LocalRequestKey”);
    ...
}

// Set up the web service call for GrooveAccounts
GrooveAccounts.GrooveAccounts svc = new GrooveAccounts.GrooveAccounts();
svc.GrooveRequestHeaderValue = new GrooveAccounts.GrooveRequestHeader();
svc.GrooveRequestHeaderValue.GrooveRequestKey = localRequestKey;
svc.Url = grooveHost + “/GWS/Groove/2.0/Accounts/”;

// Get a list of all the accounts
GrooveAccounts.Account2[] accounts = svc.Read2();

// Display all identities
foreach (GrooveAccounts.Account2 account in accounts)
    foreach (GrooveAccounts.Identity2 identity in account.Identities)
        Console.WriteLine(account.Name + “, “ + identity.Name);

private void LoadSpaces(GrooveAccounts.Identity2 identity)
{
    // Set up the web service call for GrooveSpaces
    GrooveSpaces.GrooveSpaces svc = new GrooveSpaces.GrooveSpaces();
    svc.GrooveRequestHeaderValue = 
        new GrooveSpaces.GrooveRequestHeader();
    svc.GrooveRequestHeaderValue.GrooveRequestKey =   
        GrooveSettings.RequestKey;
    svc.GrooveRequestHeaderValue.GrooveIdentityURL = identity.URI;
    svc.Url = GrooveSettings.GrooveHost + identity.Spaces;

    // Get the list of spaces
    _spaces = svc.Read(“”);

    // Load the list into a combobox
    comboWorkspaces.DisplayMember = “Name”;
    comboWorkspaces.DataSource = _spaces;
}