内存泄漏的临时解决方案

RustTools/ViewModels/RankingViewModel.cs

@@ -6,7 +6,7 @@ namespace RustTools.ViewModels;
 
 public partial class RankingViewModel : ObservableRecipient
 {
-    public ObservableCollection<ModListResponse.ModData> RankingList { get; set; } = new();
+    public ObservableCollection<ModListResponse.ModData>? RankingList { get; set; } = new();
     public RankingViewModel()
     {
         Init();

RustTools/ViewModels/ShellViewModel.cs

@@ -34,6 +34,8 @@ public partial class ShellViewModel : ObservableRecipient
 
     private void OnNavigated(object sender, NavigationEventArgs e)
     {
+
+        System.GC.Collect();
         IsBackEnabled = NavigationService.CanGoBack;
 
         if (e.SourcePageType == typeof(SettingsPage))

RustTools/Views/RankingPage.xaml

@@ -6,6 +6,8 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:RustTools.Views"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:viewmodels="using:RustTools.ViewModels"
+    d:DataContext="{d:DesignInstance Type=viewmodels:RankingViewModel}"
     SizeChanged="Page_SizeChanged"
     mc:Ignorable="d">
     <Grid>

RustTools/Views/RankingPage.xaml.cs

@@ -1,5 +1,8 @@
+using System.IO;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+using RustTools.muqing;
 using RustTools.ViewModels;
 
 // To learn more about WinUI, the WinUI project structure,
@@ -21,7 +24,6 @@ public sealed partial class RankingPage : Page
         ViewModel = App.GetService<RankingViewModel>();
         InitializeComponent();
         list.ItemClick += HomePage.ListAClick;
-
     }
 
 
@@ -40,4 +42,14 @@ public sealed partial class RankingPage : Page
             ViewModel.ListTab(tag);
         }
     }
+    protected override void OnNavigatedFrom(NavigationEventArgs e)
+    {
+        // Release resources here
+        base.OnNavigatedFrom(e);
+        gj.sc(e);
+        ViewModel.RankingList = null;
+        Content = null;
+        DataContext = null;
+    }
+
 }

RustTools/Views/ShellPage.xaml

@@ -39,29 +39,32 @@
             IsSettingsVisible="True"
             SelectedItem="{x:Bind ViewModel.Selected, Mode=OneWay}">
             <NavigationView.MenuItems>
-
-
                 <NavigationViewItem
                     x:Uid="HomePage"
                     helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.HomePageViewModel"
-                    Icon="Home" />
+                    Icon="Home"
+                    Tag="HomePage" />
                 <NavigationViewItem
                     x:Uid="Concern"
                     helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.ConcernViewModel"
-                    Icon="ContactInfo" />
+                    Icon="ContactInfo"
+                    Tag="Concern" />
                 <NavigationViewItem
                     x:Uid="Ranking"
                     helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.RankingViewModel"
-                    Icon="List" />
+                    Icon="List"
+                    Tag="Ranking" />
                 <NavigationViewItem
                     x:Uid="User"
                     helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.UserViewModel"
-                    Icon="Contact2" />
+                    Icon="Contact2"
-                <NavigationViewItem x:Uid="Module" helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.ModuleViewModel">
+                    Tag="User" />
-
+                <NavigationViewItem
+                    x:Uid="Module"
+                    helpers:NavigationHelper.NavigateTo="RustTools.ViewModels.ModuleViewModel"
+                    Tag="Module">
                     <NavigationViewItem.Icon>
                         <FontIcon Glyph="&#xE838;" />
-                        <!--  假设这是FolderOpen的Unicode码  -->
                     </NavigationViewItem.Icon>
                 </NavigationViewItem>
             </NavigationView.MenuItems>
@@ -72,6 +75,7 @@
                     </Grid>
                 </DataTemplate>
             </NavigationView.HeaderTemplate>
+
             <i:Interaction.Behaviors>
                 <behaviors:NavigationViewHeaderBehavior DefaultHeader="{x:Bind ((ContentControl)ViewModel.Selected).Content, Mode=OneWay}">
                     <behaviors:NavigationViewHeaderBehavior.DefaultHeaderTemplate>

RustTools/Views/ShellPage.xaml.cs

@@ -1,9 +1,12 @@
-using Microsoft.UI.Xaml;
+using System;
+using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
 using Microsoft.UI.Xaml.Input;
 
 using RustTools.Contracts.Services;
 using RustTools.Helpers;
+using RustTools.muqing;
 using RustTools.ViewModels;
 
 using Windows.System;
@@ -20,18 +23,11 @@ public sealed partial class ShellPage : Page
 
     public ShellPage(ShellViewModel viewModel)
     {
-        //< NavigationViewItem
-        //    x: Uid = "Shell_Main"
-        //    helpers: NavigationHelper.NavigateTo = "RustTools.ViewModels.MainViewModel">
-        //    < NavigationViewItem.Icon >
-        //        < FontIcon FontFamily = "{StaticResource SymbolThemeFontFamily}" Glyph = "&#xe7c3;" />
-        //    </ NavigationViewItem.Icon >
-        //</ NavigationViewItem >
-
         ViewModel = viewModel;
         InitializeComponent();
 
         ViewModel.NavigationService.Frame = NavigationFrame;
+        //ViewModel.NavigationService.Frame.ElementSoundMode.isna = "False";
         ViewModel.NavigationViewService.Initialize(NavigationViewControl);
 
         // TODO: Set the title bar icon by updating /Assets/WindowIcon.ico.
@@ -42,9 +38,39 @@ public sealed partial class ShellPage : Page
             App.MainWindow.SetTitleBar(AppTitleBar);
             App.MainWindow.Activated += MainWindow_Activated;
         }
-        AppTitleBarText.Text = "app_name".GetLocalized() + " " + "app_version".GetLocalized();
+        //AppTitleBarText.Text = "app_name".GetLocalized() + " " + "app_version".GetLocalized();
+        //NavigationViewControl.SelectedItem = NavigationViewControl.MenuItems[0];
+        //NavigationViewControl.SelectionChanged += NavigationViewControl_SelectionChanged;
+        //NavigateToPage("Home");
     }
+    private void NavigationViewControl_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
+    {
 
+        System.GC.Collect();
+        if (args.SelectedItem is NavigationViewItem selectedItem)
+        {
+            var tag = selectedItem.Tag.ToString();
+            gj.sc(tag);
+            if (tag != null)
+            {
+                NavigateToPage(tag);
+            }
+        }
+    }
+    private void NavigateToPage(string pageTag)
+    {
+        var pageType = pageTag switch
+        {
+            "Home" => typeof(HomePage),
+            "Concern" => typeof(ConcernPage),
+            "Ranking" => typeof(RankingPage),
+            "User"=>typeof(UserPage),
+            "Module" => typeof(ModulePage),
+            "Settings" => typeof(SettingsPage),
+            _ => typeof(HomePage),
+        };
+        NavigationFrame.Navigate(pageType);
+    }
     private void OnLoaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
     {
         //gj.sc(RequestedTheme);
@@ -92,4 +118,5 @@ public sealed partial class ShellPage : Page
 
         args.Handled = result;
     }
+
 }