ui process update

System.Application.SteamTools.Client.Desktop/UI/ViewModels/MainWindowViewModel.cs

@@ -9,20 +9,55 @@ namespace System.Application.UI.ViewModels
 {
     public class MainWindowViewModel : WindowViewModel
     {
-        bool mTopmost;
+        #region 更改通知
 
+        bool mTopmost;
         public bool Topmost
         {
             get => mTopmost;
             set => this.RaiseAndSetIfChanged(ref mTopmost, value);
         }
-        public SettingsPageViewModel SettingsPage { get; }
+
+        private TabItemViewModel _SelectedItem;
+        public TabItemViewModel SelectedItem
+        {
+            get => _SelectedItem;
+            set => this.RaiseAndSetIfChanged(ref _SelectedItem, value);
+        }
+
+        #endregion
+
+        public StartPageViewModel StartPage { get; }
+        public GameListPageViewModel GameListPage { get; }
+        public SteamAccountPageViewModel SteamAccountPage { get; }
+
+
+        public IList<TabItemViewModel> TabItems { get; set; }
+
 
 
         public MainWindowViewModel() : base()
         {
             Title = ThisAssembly.AssemblyTrademark;
-            SettingsPage = new SettingsPageViewModel();
+
+            this.TabItems = new List<TabItemViewModel>
+            {
+                (this.StartPage = new StartPageViewModel().AddTo(this)),
+                (this.SteamAccountPage = new SteamAccountPageViewModel().AddTo(this)),
+                (this.GameListPage = new GameListPageViewModel().AddTo(this)),
+
+
+                
+				#region SystemTab
+                SettingsPageViewModel.Instance,
+                AboutPageViewModel.Instance,
+#if DEBUG
+				new DebugPageViewModel().AddTo(this),
+#endif
+				#endregion
+            };
+
+            this.SelectedItem = this.TabItems.First();
         }
     }
 }