DaSaSo/DaSaSo.ViewModel/SewerMainListViewModel.cs

using DaSaSo.ViewModel.Commands;
using DaSaSo.ViewModel.Interface;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace DaSaSo.ViewModel
{
    public class SewerMainListViewModel : BaseViewModel
    {
        private ISewerMainNavigator _navigator { get; set; }
        private IActualProject _actualProject {  get; set; }
        public ICommand UpdateCurrentSewerViewModelCommand { get; }
        public BaseViewModel CurrentSewerViewModel => _navigator.CurrentViewModel;

        public SewerMainListViewModel(ISewerMainNavigator navigator,IActualProject actualProject, IViewModelSewerMainFactory viewModelFactory)
        {
            _navigator = navigator;
            _actualProject = actualProject;
            UpdateCurrentSewerViewModelCommand = new UpdateCurrentSewerViewModelCommand(_navigator, viewModelFactory);
            _navigator.StateChanged += () =>
            {
                OnPropertyChanged(nameof(CurrentSewerViewModel));
            }; //_navigator_StateChanged;
        }
    }
}