public void ShowShipCatalog()
        {
            var catalog = new ShipCatalogWindowViewModel();
            var message = new TransitionMessage(catalog, "Show/ShipCatalogWindow");

            this.Messenger.RaiseAsync(message);
        }
        public void ShowShipCatalog()
        {
            var catalog = new ShipCatalogWindowViewModel();

            WindowService.Current.MainWindow.Transition(catalog, typeof(ShipCatalogWindow));
        }