protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
var mainWindowState = new MainWindowState();
new MainWindow
{
DataContext = new MainWindowViewModel(mainWindowState)
}.Show();
}
public MainWindowViewModel(MainWindowState state)
{
_state = state;
var stateListener = new PropertyChangedEventListener(_state);
stateListener.RegisterHandler(nameof(_state.Mode), (_, __) => RaisePropertyChanged(nameof(Mode)));
CompositeDisposable.Add(stateListener);
UserScreenCommand = new ViewModelCommand(() => _state.Mode = MainWindowMode.User);
ProductScreenCommand = new ViewModelCommand(() => _state.Mode = MainWindowMode.Product);
}