/// <summary>
        /// Create market scanner for selected market data provider
        /// </summary>
        private void CreateScannerWindowExecute()
        {
            // Try to find scanner window if already created for selected provider
            MarketScannerWindow scannerWindow = (MarketScannerWindow)FindWindowByTitle(SelectedMarketDataProvider.ProviderName);

            // if scanner is already created, just activate it, otherwise create new scanner window for slected data provider
            if (scannerWindow != null)
            {
                scannerWindow.WindowState = WindowState.Normal;
                scannerWindow.Activate();
            }
            else
            {
                scannerWindow = new MarketScannerWindow();
                MarketScannerWindowViewModel scannerWindowViewModel = new MarketScannerWindowViewModel(scannerWindow, SelectedMarketDataProvider, MarketDataProviders);

                // Add scanner window VeiwModel in collection for displaying on Market Scanner Dashboard
                ScannerWindowViewModels.Add(scannerWindowViewModel);

                scannerWindow.DataContext = scannerWindowViewModel;
                scannerWindow.Title       = SelectedMarketDataProvider.ProviderName;
                scannerWindow.Closing    += scannerWindow_Closing;
                scannerWindow.Show();
            }

            // Detach DataContext and close 'New Market Scanner' window
            _newMarketScannerWindow.DataContext = null;
            _newMarketScannerWindow.Close();
        }
        /// <summary>
        /// Focus certain market scanner window
        /// </summary>
        /// <param name="param">ProviderName</param>
        private void FocusScannerWindowExecute(object param)
        {
            MarketScannerWindow scannerWindow = (MarketScannerWindow)FindWindowByTitle((string)param);

            if (scannerWindow != null)
            {
                scannerWindow.WindowState = WindowState.Normal;
                scannerWindow.Activate();
            }
        }