presence/Presence.Desktop/ViewModels/MainWindowViewModel.cs

using System;
using domain.UseCase;
using Microsoft.Extensions.DependencyInjection;
using ReactiveUI;

namespace Presence.Desktop.ViewModels;

public class MainWindowViewModel : ViewModelBase, IScreen
{
    public RoutingState Router { get; } = new RoutingState();

    public MainWindowViewModel(IServiceProvider serviceProvider)
    {
        var groupUseCase = serviceProvider.GetRequiredService<GroupUseCase>();

        Router.Navigate.Execute(new  GroupViewModel (this, groupUseCase));


    }

 
 
}