Catel.MVVM.CommandManager.SubscribeToKeyboardEvents C# (CSharp) Метод

        public void SubscribeToKeyboardEvents(FrameworkElement view)
        {
            Argument.IsNotNull("view", view);

            CommandManagerWrapper commandManagerWrapper = null;
            if (!_subscribedViews.TryGetValue(view, out commandManagerWrapper))
            {
                _subscribedViews.Add(view, new CommandManagerWrapper(view, this));

#if NET
                var app = Application.Current;
                if (app != null)
                {
                    var mainWindow = app.MainWindow;
                    if (ReferenceEquals(mainWindow, view))
                    {
                        EventManager.RegisterClassHandler(typeof(Window), Window.LoadedEvent, new RoutedEventHandler(OnWindowLoaded));
                    }
                }
#endif
            }
        }