private void BuildListener_STREAMINGTRADINGACCOUNT_DataAdapterSet() { LogToScreen("building listener on CITYINDEXTRADINGACCOUNT data adapter"); _quotesListener = StreamingClient.BuildQuotesListener(); _quotesListener.MessageReceived += _quotesListener_MessageReceived; Dispatcher.BeginInvoke(() => statusUpdatesListBox.Items.Add("listener on CITYINDEXTRADINGACCOUNT built")); }