public MailStoreProviderSDK(string userName, string password) { _adClient = AuthenticationHelperSDK.GetGraphClientAsync(userName, password).GetResult(); _outlookClient = GetOutlookClient("Mail"); _user = _outlookClient.Me.ExecuteAsync().GetResult(); DisplayName = _user.Id; RootFolder = new MailFolderProviderSDK(_outlookClient, _user.Id); }