GmailNotifier.MainForm.UpdateIcon C# (CSharp) Метод

        internal void UpdateIcon()
        {
            if (_gmailClient == null)
                TaskbarManager.Instance.SetOverlayIcon(null, null);

            else if (_gmailClient.LastResult == CheckEmailResult.AccountError)
                TaskbarManager.Instance.SetOverlayIcon(Properties.Resources.Logout, "Account error");

            else if (_gmailClient.LastResult == CheckEmailResult.NetworkError)
                TaskbarManager.Instance.SetOverlayIcon(Properties.Resources.Exclamation, "Connection problem");

            else

                if (_gmailClient.Emails.Count > 0)
                    ShowUnreadIcon(_gmailClient.Emails.Count);

                else
                    TaskbarManager.Instance.SetOverlayIcon(null, null);
        }