using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Stylet.Samples.NavigationController.Pages { public class Page1ViewModel : Screen { private readonly INavigationController navigationController; public Page1ViewModel(INavigationController navigationController) { this.navigationController = navigationController ?? throw new ArgumentNullException(nameof(navigationController)); } public void NavigateToPage2() => this.navigationController.NavigateToPage2("Page 1"); } }