GmailNotifier.MainForm.RefreshAndRestartTimer C# (CSharp) Метод

        public void RefreshAndRestartTimer()
        {
            lock (_timerLock)
            {

                DisableButtons();

                _thumbForm.Invoke(new Action<bool>(_thumbForm.ShowAppropriateThumb), true);

                int currCount = _gmailClient.Emails.Count;
                CheckEmailResult currResult = _gmailClient.LastResult;

                _gmailClient.CheckEmail();

                //if status has changed or the number of emails has changed
                if ((currResult != _gmailClient.LastResult) || (currCount != _gmailClient.Emails.Count))
                    UpdateIcon();

                //
                if (_gmailClient.Updated && _gmailClient.Emails.Count > 0)
                    _thumbForm.Invoke(new Action<int>(_thumbForm.UpdatePreviewThumb), 0);

                //if we got mail, and it's not the first time
                if (_gmailClient.GotMail && (currResult != CheckEmailResult.None))
                {
                    ShowProgress();

                    NewMailSound();
                }

                _thumbForm.Invoke(new Action<bool>(_thumbForm.ShowAppropriateThumb), false);

                EnableAppropriateButtons();

                int interval = _checkInterval;

                if (_gmailClient.LastResult == CheckEmailResult.AccountError)
                    interval = _errorInterval;
                else if (_gmailClient.LastResult == CheckEmailResult.NetworkError)
                    interval = _connRetryInterval;

                _timer.Interval = interval;
                _timer.Start();

            }
        }