ready for display Modal

Apollon.WPF/ViewModels/MainViewModel.cs

@@ -0,0 +1,38 @@
+using Apollon.WPF.Stores;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.ViewModels
+{
+    public class MainViewModel : ViewModelBase
+    {
+        private readonly ModalNavigationStore _modalNavigationStore;
+
+        public ViewModelBase CurrentModalViewModel => _modalNavigationStore.CurrentViewModel;
+        public bool IsModalOpen => _modalNavigationStore.IsOpen;
+        public OverviewViewModel OverviewViewModel { get; }
+
+        public MainViewModel(ModalNavigationStore modalNavigationStore, OverviewViewModel overviewViewModel)
+        {
+            _modalNavigationStore = modalNavigationStore;
+            OverviewViewModel = overviewViewModel;
+
+            _modalNavigationStore.CurrentViewModelChanged += ModalNavigationStore_CurrentViewModelChanged;
+        }
+
+        protected override void Dispose()
+        {
+            _modalNavigationStore.CurrentViewModelChanged -= ModalNavigationStore_CurrentViewModelChanged;
+            base.Dispose();
+        }
+        private void ModalNavigationStore_CurrentViewModelChanged()
+        {
+            OnPropertyChanged(nameof(CurrentModalViewModel));
+            OnPropertyChanged(nameof(IsModalOpen));
+
+        }
+    }
+}