Avalonia project

src/GuiApp/FileTime.Avalonia/Application/AppState.cs

@@ -0,0 +1,30 @@
+using FileTime.Core.Components;
+using MvvmGen;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FileTime.Avalonia.Application
+{
+    [ViewModel]
+    public partial class AppState
+    {
+        [Property]
+        [PropertyCallMethod(nameof(TabsChanged))]
+        private List<TabContainer> _tabs = new List<TabContainer>();
+
+        [Property]
+        private TabContainer _selectedTab;
+
+        [Property]
+        private ViewMode _viewMode;
+
+        [Property]
+        private string _rapidTravelText = "";
+
+        private void TabsChanged()
+        {
+            SelectedTab ??= Tabs[0];
+        }
+    }
+}