GoogleCloudExtension.OauthLoginFlow.OAuthLoginFlowWindow.StartLoginFlow C# (CSharp) Method

        private async void StartLoginFlow()
        {
            try
            {
                _tokenSource.CancelAfter(s_accessTokenTimeout);
                var refreshToken = await _flow.RunFlowAsync(_tokenSource.Token);
                Debug.WriteLine($"Got refresh token: {refreshToken}");
                ViewModel.RefreshCode = refreshToken;
                Close();
            }
            catch (OperationCanceledException ex)
            {
                Debug.WriteLine($"The login was cancelled: {ex.Message}");
            }
        }