public MainWindowViewModel(IViewModelFactory viewModelFactory)
{
BackCommand = new RelayCommand(() => GoBackOneViewModel(new GoToPreviousViewModel()), CanGoBackOneViewModel);
viewModelFactory.CreateChildWindowViewModel(viewModelFactory);
var allListsVm = viewModelFactory.CreateAllListsViewModel();
var goToAllListsVm = new GoToViewModel(allListsVm);
ChangeCurrentViewModel(goToAllListsVm);
Messenger.Default.Register<GoToViewModel>(this, ChangeCurrentViewModel);
Messenger.Default.Register<GoToPreviousViewModel>(this, GoBackOneViewModel);
}
private void ChangeCurrentViewModel(GoToViewModel goToViewModel)
{
var viewModel = goToViewModel.ViewModel;
CurrentViewModel = viewModel;
_previousViewModels.Add(viewModel);
}