OpenTween.TweenMain.RefreshTwitterConfigurationAsync C# (CSharp) Method

        private async Task RefreshTwitterConfigurationAsync()
        {
            await this.workerSemaphore.WaitAsync();
            try
            {
                await this.tw.RefreshConfiguration();

                if (this.tw.Configuration.PhotoSizeLimit != 0)
                {
                    foreach (var service in this.ImageSelector.GetServices())
                    {
                        service.UpdateTwitterConfiguration(this.tw.Configuration);
                    }
                }

                this.PurgeListViewItemCache();

                this._curList?.Refresh();
            }
            catch (WebApiException ex)
            {
                this.StatusLabel.Text = $"Err:{ex.Message}(RefreshConfiguration)";
            }
            finally
            {
                this.workerSemaphore.Release();
            }
        }