0.2.4

稳定性提升

LanMontainDesktop/ComponentSystem/ComponentRegistry.cs

@@ -92,7 +92,8 @@ public sealed class ComponentRegistry
                 MinWidthCells: 2,
                 MinHeightCells: 4,
                 AllowStatusBarPlacement: false,
-                AllowDesktopPlacement: true),
+                AllowDesktopPlacement: true,
+                ResizeMode: DesktopComponentResizeMode.Free),
             new DesktopComponentDefinition(
                 BuiltInComponentIds.DesktopBlackboardLandscape,
                 "Blackboard Landscape",
@@ -101,7 +102,8 @@ public sealed class ComponentRegistry
                 MinWidthCells: 4,
                 MinHeightCells: 2,
                 AllowStatusBarPlacement: false,
-                AllowDesktopPlacement: true),
+                AllowDesktopPlacement: true,
+                ResizeMode: DesktopComponentResizeMode.Free),
             new DesktopComponentDefinition(
                 BuiltInComponentIds.Date,
                 "Calendar",

LanMontainDesktop/ComponentSystem/DesktopComponentDefinition.cs

@@ -8,4 +8,5 @@ public sealed record DesktopComponentDefinition(
     int MinWidthCells,
     int MinHeightCells,
     bool AllowStatusBarPlacement,
-    bool AllowDesktopPlacement);
+    bool AllowDesktopPlacement,
+    DesktopComponentResizeMode ResizeMode = DesktopComponentResizeMode.Proportional);

LanMontainDesktop/ComponentSystem/DesktopComponentResizeMode.cs

@@ -0,0 +1,7 @@
+namespace LanMontainDesktop.ComponentSystem;
+
+public enum DesktopComponentResizeMode
+{
+    Proportional = 0,
+    Free = 1
+}

LanMontainDesktop/Services/TimeZoneService.cs

@@ -69,7 +69,7 @@ public sealed class TimeZoneService
     /// </summary>
     public string GetTimeZoneDisplayName(TimeZoneInfo timeZone)
     {
-        var offset = timeZone.BaseUtcOffset;
+        var offset = timeZone.GetUtcOffset(DateTime.UtcNow);
         var sign = offset >= TimeSpan.Zero ? "+" : "-";
         var hours = Math.Abs(offset.Hours);
         var minutes = Math.Abs(offset.Minutes);

LanMontainDesktop/Services/WindowsStartMenuService.cs

@@ -82,7 +82,7 @@ public sealed class WindowsStartMenuService
             nameOverride ?? Path.GetFileName(folderPath),
             relativePath);
 
-        foreach (var subFolderPath in Directory.EnumerateDirectories(folderPath))
+        foreach (var subFolderPath in EnumerateDirectoriesSafe(folderPath))
         {
             var folderName = Path.GetFileName(subFolderPath);
             if (folderName.StartsWith(".", StringComparison.Ordinal))
@@ -90,38 +90,76 @@ public sealed class WindowsStartMenuService
                 continue;
             }
 
-            folder.Folders.Add(ScanFolder(subFolderPath, rootPath));
+            try
+            {
+                folder.Folders.Add(ScanFolder(subFolderPath, rootPath));
+            }
+            catch
+            {
+                // Skip unreadable branches but continue scanning siblings.
+            }
         }
 
-        foreach (var filePath in Directory.EnumerateFiles(folderPath))
+        foreach (var filePath in EnumerateFilesSafe(folderPath))
         {
-            var extension = Path.GetExtension(filePath);
+            try
-            if (!SupportedEntryExtensions.Contains(extension))
             {
-                continue;
+                var extension = Path.GetExtension(filePath);
-            }
+                if (!SupportedEntryExtensions.Contains(extension))
+                {
+                    continue;
+                }
 
-            var fileName = Path.GetFileNameWithoutExtension(filePath);
+                var fileName = Path.GetFileNameWithoutExtension(filePath);
-            if (string.IsNullOrWhiteSpace(fileName))
+                if (string.IsNullOrWhiteSpace(fileName))
-            {
+                {
-                continue;
+                    continue;
-            }
+                }
 
-            var normalizedName = fileName.Replace('_', ' ').Trim();
+                var normalizedName = fileName.Replace('_', ' ').Trim();
-            folder.Apps.Add(new StartMenuAppEntry
+                folder.Apps.Add(new StartMenuAppEntry
+                {
+                    DisplayName = normalizedName,
+                    FilePath = filePath,
+                    RelativePath = Path.GetRelativePath(rootPath, filePath),
+                    IconPngBytes = OperatingSystem.IsWindows()
+                        ? WindowsIconService.TryGetIconPngBytes(filePath)
+                        : null
+                });
+            }
+            catch
             {
-                DisplayName = normalizedName,
+                // Skip unreadable or invalid entries and continue.
-                FilePath = filePath,
+            }
-                RelativePath = Path.GetRelativePath(rootPath, filePath),
-                IconPngBytes = OperatingSystem.IsWindows()
-                    ? WindowsIconService.TryGetIconPngBytes(filePath)
-                    : null
-            });
         }
 
         return folder;
     }
 
+    private static IEnumerable<string> EnumerateDirectoriesSafe(string folderPath)
+    {
+        try
+        {
+            return Directory.EnumerateDirectories(folderPath);
+        }
+        catch
+        {
+            return Array.Empty<string>();
+        }
+    }
+
+    private static IEnumerable<string> EnumerateFilesSafe(string folderPath)
+    {
+        try
+        {
+            return Directory.EnumerateFiles(folderPath);
+        }
+        catch
+        {
+            return Array.Empty<string>();
+        }
+    }
+
     private static void MergeFolder(StartMenuFolderNode target, StartMenuFolderNode source)
     {
         var appPathSet = new HashSet<string>(

LanMontainDesktop/Views/Components/AnalogClockWidget.axaml.cs

@@ -45,16 +45,23 @@ public partial class AnalogClockWidget : UserControl, IDesktopComponentWidget, I
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateClock();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         InitializeDialIfNeeded();

LanMontainDesktop/Views/Components/ClockWidget.axaml.cs

@@ -51,16 +51,23 @@ public partial class ClockWidget : UserControl, IDesktopComponentWidget, ITimeZo
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService != null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateClock();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         UpdateClock();

LanMontainDesktop/Views/Components/DateWidget.axaml.cs

@@ -109,16 +109,23 @@ public partial class DateWidget : UserControl, IDesktopComponentWidget, ITimeZon
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateDate();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         UpdateDate();

LanMontainDesktop/Views/Components/DateWidgetSettingsWindow.axaml

@@ -10,7 +10,7 @@
     <Border Background="{DynamicResource AdaptiveBackgroundBrush}"
             Padding="24">
         <StackPanel Spacing="16">
-            <TextBlock Text="日历组件设置"
+            <TextBlock Text="Date Widget Settings"
                        FontSize="20"
                        FontWeight="SemiBold"
                        Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />

LanMontainDesktop/Views/Components/HolidayCalendarWidget.axaml.cs

@@ -37,16 +37,23 @@ public partial class HolidayCalendarWidget : UserControl, IDesktopComponentWidge
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         TriggerContentRefresh();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         TriggerContentRefresh();

LanMontainDesktop/Views/Components/HourlyWeatherWidget.axaml.cs

@@ -195,15 +195,22 @@ public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget,
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     public void SetWeatherInfoService(IWeatherInfoService weatherInfoService)
     {
         _weatherInfoService = weatherInfoService ?? DefaultWeatherInfoService;

LanMontainDesktop/Views/Components/IDesktopComponentWidget.cs

@@ -10,6 +10,7 @@ public interface IDesktopComponentWidget
 public interface ITimeZoneAwareComponentWidget
 {
     void SetTimeZoneService(TimeZoneService timeZoneService);
+    void ClearTimeZoneService();
 }
 
 public interface IWeatherInfoAwareComponentWidget

LanMontainDesktop/Views/Components/LunarCalendarWidget.axaml.cs

@@ -99,16 +99,23 @@ public partial class LunarCalendarWidget : UserControl, IDesktopComponentWidget,
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateContent();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         UpdateContent();

LanMontainDesktop/Views/Components/MonthCalendarWidget.axaml.cs

@@ -40,16 +40,23 @@ public partial class MonthCalendarWidget : UserControl, IDesktopComponentWidget,
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateCalendar();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
     {
         UpdateCalendar();

LanMontainDesktop/Views/Components/MultiDayWeatherWidget.axaml.cs

@@ -195,15 +195,22 @@ public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidge
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     public void SetWeatherInfoService(IWeatherInfoService weatherInfoService)
     {
         _weatherInfoService = weatherInfoService ?? DefaultWeatherInfoService;

LanMontainDesktop/Views/Components/WeatherClockWidget.axaml.cs

@@ -75,16 +75,23 @@ public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget,
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
         UpdateClockVisual();
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     public void SetWeatherInfoService(IWeatherInfoService weatherInfoService)
     {
         _weatherInfoService = weatherInfoService ?? DefaultWeatherInfoService;

LanMontainDesktop/Views/Components/WeatherWidget.axaml.cs

@@ -137,15 +137,22 @@ public partial class WeatherWidget : UserControl, IDesktopComponentWidget, ITime
 
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
-        if (_timeZoneService is not null)
+        ClearTimeZoneService();
-        {
-            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
-        }
-
         _timeZoneService = timeZoneService;
         _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
     }
 
+    public void ClearTimeZoneService()
+    {
+        if (_timeZoneService is null)
+        {
+            return;
+        }
+
+        _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        _timeZoneService = null;
+    }
+
     public void SetWeatherInfoService(IWeatherInfoService weatherInfoService)
     {
         _weatherInfoService = weatherInfoService ?? DefaultWeatherInfoService;

LanMontainDesktop/Views/MainWindow.ComponentSystem.cs

@@ -400,6 +400,7 @@ public partial class MainWindow
             }
 
             ComponentLibraryWindow.IsVisible = false;
+            ClearComponentLibraryPreviewControls();
 
             var shouldReopenSettings = reopenSettings && _reopenSettingsAfterComponentLibraryClose;
             _reopenSettingsAfterComponentLibraryClose = false;
@@ -661,7 +662,8 @@ public partial class MainWindow
             return;
         }
 
-        // 娴犲海缍夐弽闂磋厬缁夊娅庣紒鍕
+        ClearTimeZoneServiceBindings(_selectedDesktopComponentHost);
+
         if (_desktopPageComponentGrids.TryGetValue(placement.PageIndex, out var pageGrid))
         {
             pageGrid.Children.Remove(_selectedDesktopComponentHost);
@@ -748,7 +750,7 @@ public partial class MainWindow
         RebuildDesktopGrid();
         PersistSettings();
         
-        // 閺囧瓨鏌婇崝銊︹偓浣锋崲閸斺剝鐖弰鍓с仛
+        // Refresh taskbar actions after page count changes.
         ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
     }
 
@@ -763,6 +765,11 @@ public partial class MainWindow
             .Where(p => p.PageIndex == _currentDesktopSurfaceIndex)
             .ToList();
 
+        if (_desktopPageComponentGrids.TryGetValue(_currentDesktopSurfaceIndex, out var pageGrid))
+        {
+            ClearTimeZoneServiceBindings(pageGrid.Children.OfType<Control>().ToList());
+        }
+        
         foreach (var placement in placementsToRemove)
         {
             _desktopComponentPlacements.Remove(placement);
@@ -770,7 +777,7 @@ public partial class MainWindow
 
         _desktopPageCount = Math.Clamp(_desktopPageCount - 1, MinDesktopPageCount, MaxDesktopPageCount);
         
-        // 鐠嬪啯鏆ｈぐ鎾冲妞ょ敻娼扮槐銏犵穿
+        // Clamp current page index to valid range after deletion.
         _currentDesktopSurfaceIndex = Math.Clamp(_currentDesktopSurfaceIndex, 0, _desktopPageCount - 1);
         
         // Update remaining page indices after deletion.
@@ -785,7 +792,7 @@ public partial class MainWindow
         RebuildDesktopGrid();
         PersistSettings();
         
-        // 閺囧瓨鏌婇崝銊︹偓浣锋崲閸斺剝鐖弰鍓с仛
+        // Refresh taskbar actions after page count changes.
         ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
     }
 
@@ -842,6 +849,7 @@ public partial class MainWindow
             return;
         }
 
+        ClearTimeZoneServiceBindings(pageGrid.Children.OfType<Control>().ToList());
         pageGrid.Children.Clear();
 
         var maxColumns = pageGrid.ColumnDefinitions.Count;
@@ -1062,6 +1070,11 @@ public partial class MainWindow
                 runtimeDescriptor.Definition,
                 span.WidthCells,
                 span.HeightCells);
+            if (runtimeDescriptor.Definition.ResizeMode == DesktopComponentResizeMode.Free)
+            {
+                return normalized;
+            }
+
             return NormalizeAspectRatioForComponent(componentId, normalized);
         }
 
@@ -1070,6 +1083,16 @@ public partial class MainWindow
             (Math.Max(1, span.WidthCells), Math.Max(1, span.HeightCells)));
     }
 
+    private DesktopComponentResizeMode GetComponentResizeMode(string componentId)
+    {
+        if (_componentRuntimeRegistry.TryGetDescriptor(componentId, out var runtimeDescriptor))
+        {
+            return runtimeDescriptor.Definition.ResizeMode;
+        }
+
+        return DesktopComponentResizeMode.Proportional;
+    }
+
     private static (int WidthCells, int HeightCells) NormalizeAspectRatioForComponent(
         string componentId,
         (int WidthCells, int HeightCells) span)
@@ -1196,6 +1219,30 @@ public partial class MainWindow
         return null;
     }
 
+    private static void ClearTimeZoneServiceBindings(IEnumerable<Control> roots)
+    {
+        foreach (var root in roots)
+        {
+            ClearTimeZoneServiceBindings(root);
+        }
+    }
+
+    private static void ClearTimeZoneServiceBindings(Control root)
+    {
+        if (root is ITimeZoneAwareComponentWidget timeZoneAwareRoot)
+        {
+            timeZoneAwareRoot.ClearTimeZoneService();
+        }
+
+        foreach (var descendant in root.GetVisualDescendants())
+        {
+            if (descendant is ITimeZoneAwareComponentWidget timeZoneAwareChild)
+            {
+                timeZoneAwareChild.ClearTimeZoneService();
+            }
+        }
+    }
+
     private static Border? TryGetResizeHandle(Border host)
     {
         if (host.Child is Grid hostChrome)
@@ -1257,6 +1304,7 @@ public partial class MainWindow
         CancelDesktopComponentResize(restoreOriginalSpan: true);
         ClearDesktopComponentSelection();
         UpdateDesktopComponentHostEditState();
+        ClearComponentLibraryPreviewControls();
         UpdateComponentLibraryLayout(_currentDesktopCellSize);
     }
 
@@ -1615,36 +1663,52 @@ public partial class MainWindow
 
         var deltaX = pointerInViewport.X - _desktopComponentResize.StartPointerInViewport.X;
         var deltaY = pointerInViewport.Y - _desktopComponentResize.StartPointerInViewport.Y;
-        var widthScale = (_desktopComponentResize.StartWidthCells + deltaX / pitch) / _desktopComponentResize.StartWidthCells;
+        int widthCells;
-        var heightScale = (_desktopComponentResize.StartHeightCells + deltaY / pitch) / _desktopComponentResize.StartHeightCells;
+        int heightCells;
-
+        if (GetComponentResizeMode(_desktopComponentResize.ComponentId) == DesktopComponentResizeMode.Free)
-        var proposedScale = Math.Max(widthScale, heightScale);
-        var minScale = Math.Max(
-            (double)_desktopComponentResize.MinWidthCells / _desktopComponentResize.StartWidthCells,
-            (double)_desktopComponentResize.MinHeightCells / _desktopComponentResize.StartHeightCells);
-        var maxScale = Math.Min(
-            (double)_desktopComponentResize.MaxWidthCells / _desktopComponentResize.StartWidthCells,
-            (double)_desktopComponentResize.MaxHeightCells / _desktopComponentResize.StartHeightCells);
-
-        if (double.IsNaN(proposedScale) || double.IsInfinity(proposedScale))
         {
-            proposedScale = minScale;
+            widthCells = Math.Clamp(
+                (int)Math.Round(_desktopComponentResize.StartWidthCells + deltaX / pitch),
+                _desktopComponentResize.MinWidthCells,
+                _desktopComponentResize.MaxWidthCells);
+            heightCells = Math.Clamp(
+                (int)Math.Round(_desktopComponentResize.StartHeightCells + deltaY / pitch),
+                _desktopComponentResize.MinHeightCells,
+                _desktopComponentResize.MaxHeightCells);
         }
-
+        else
-        if (maxScale < minScale)
         {
-            maxScale = minScale;
+            var widthScale = (_desktopComponentResize.StartWidthCells + deltaX / pitch) / _desktopComponentResize.StartWidthCells;
-        }
+            var heightScale = (_desktopComponentResize.StartHeightCells + deltaY / pitch) / _desktopComponentResize.StartHeightCells;
 
-        var scale = Math.Clamp(proposedScale, minScale, maxScale);
+            var proposedScale = Math.Max(widthScale, heightScale);
-        var widthCells = Math.Clamp(
+            var minScale = Math.Max(
-            (int)Math.Round(_desktopComponentResize.StartWidthCells * scale),
+                (double)_desktopComponentResize.MinWidthCells / _desktopComponentResize.StartWidthCells,
-            _desktopComponentResize.MinWidthCells,
+                (double)_desktopComponentResize.MinHeightCells / _desktopComponentResize.StartHeightCells);
-            _desktopComponentResize.MaxWidthCells);
+            var maxScale = Math.Min(
-        var heightCells = Math.Clamp(
+                (double)_desktopComponentResize.MaxWidthCells / _desktopComponentResize.StartWidthCells,
-            (int)Math.Round(_desktopComponentResize.StartHeightCells * scale),
+                (double)_desktopComponentResize.MaxHeightCells / _desktopComponentResize.StartHeightCells);
-            _desktopComponentResize.MinHeightCells,
+
-            _desktopComponentResize.MaxHeightCells);
+            if (double.IsNaN(proposedScale) || double.IsInfinity(proposedScale))
+            {
+                proposedScale = minScale;
+            }
+
+            if (maxScale < minScale)
+            {
+                maxScale = minScale;
+            }
+
+            var scale = Math.Clamp(proposedScale, minScale, maxScale);
+            widthCells = Math.Clamp(
+                (int)Math.Round(_desktopComponentResize.StartWidthCells * scale),
+                _desktopComponentResize.MinWidthCells,
+                _desktopComponentResize.MaxWidthCells);
+            heightCells = Math.Clamp(
+                (int)Math.Round(_desktopComponentResize.StartHeightCells * scale),
+                _desktopComponentResize.MinHeightCells,
+                _desktopComponentResize.MaxHeightCells);
+        }
 
         var normalized = NormalizeComponentCellSpan(_desktopComponentResize.ComponentId, (widthCells, heightCells));
         widthCells = Math.Clamp(normalized.WidthCells, _desktopComponentResize.MinWidthCells, _desktopComponentResize.MaxWidthCells);
@@ -2213,6 +2277,7 @@ public partial class MainWindow
         _componentLibraryActiveComponents = category.Components;
         var componentCount = _componentLibraryActiveComponents.Count;
 
+        ClearTimeZoneServiceBindings(ComponentLibraryComponentPagesContainer.Children.OfType<Control>().ToList());
         ComponentLibraryComponentPagesContainer.Children.Clear();
         ComponentLibraryComponentPagesContainer.RowDefinitions.Clear();
         ComponentLibraryComponentPagesContainer.ColumnDefinitions.Clear();
@@ -2374,6 +2439,19 @@ public partial class MainWindow
         UpdateComponentLibraryComponentNavigationButtons();
     }
 
+    private void ClearComponentLibraryPreviewControls()
+    {
+        if (ComponentLibraryComponentPagesContainer is null)
+        {
+            return;
+        }
+
+        ClearTimeZoneServiceBindings(ComponentLibraryComponentPagesContainer.Children.OfType<Control>().ToList());
+        ComponentLibraryComponentPagesContainer.Children.Clear();
+        ComponentLibraryComponentPagesContainer.RowDefinitions.Clear();
+        ComponentLibraryComponentPagesContainer.ColumnDefinitions.Clear();
+    }
+
     private string GetLocalizedComponentDisplayName(DesktopComponentRuntimeDescriptor descriptor)
     {
         return L(descriptor.DisplayNameLocalizationKey, descriptor.Definition.DisplayName);

LanMontainDesktop/Views/MainWindow.DesktopPaging.cs

@@ -127,6 +127,7 @@ public partial class MainWindow
         DesktopPagesContainer.RowDefinitions.Clear();
         DesktopPagesContainer.RowDefinitions.Add(new RowDefinition(new GridLength(pageHeight, GridUnitType.Pixel)));
         DesktopPagesContainer.ColumnDefinitions.Clear();
+        ClearTimeZoneServiceBindings(DesktopPagesContainer.Children.OfType<Control>().ToList());
         DesktopPagesContainer.Children.Clear();
         DesktopPagesContainer.Width = pageWidth * _desktopPageCount;
         DesktopPagesContainer.Height = pageHeight;

LanMontainDesktop/Views/MainWindow.Localization.cs

@@ -86,20 +86,22 @@ public partial class MainWindow
         WallpaperPreviewBackButtonTextBlock.Text = L("button.back_to_windows", "Back to Windows");
         ToolTip.SetTip(BackToWindowsButton, L("tooltip.back_to_windows", "Back to Windows"));
 
-        OpenComponentLibraryTextBlock.Text = L("button.component_library", "编辑桌面");
+        OpenComponentLibraryTextBlock.Text = L("button.component_library", "Edit Desktop");
-        WallpaperPreviewComponentLibraryTextBlock.Text = L("button.component_library", "编辑桌面");
+        WallpaperPreviewComponentLibraryTextBlock.Text = L("button.component_library", "Edit Desktop");
-        GridPreviewComponentLibraryTextBlock.Text = L("button.component_library", "编辑桌面");
+        GridPreviewComponentLibraryTextBlock.Text = L("button.component_library", "Edit Desktop");
-        ToolTip.SetTip(OpenComponentLibraryButton, L("tooltip.component_library", "编辑桌面"));
+        ToolTip.SetTip(OpenComponentLibraryButton, L("tooltip.component_library", "Edit Desktop"));
-        ComponentLibraryTitleTextBlock.Text = L("component_library.title", "小组件");
+        ComponentLibraryTitleTextBlock.Text = L("component_library.title", "Widgets");
         ToolTip.SetTip(CloseComponentLibraryButton, L("common.close", "Close"));
         ComponentLibraryEmptyTextBlock.Text = L(
             "component_library.empty",
             "Swipe to pick a category, tap to open, then drag a widget onto the desktop.");
 
-        LauncherTitleTextBlock.Text = L("launcher.title", "应用启动台");
+        LauncherTitleTextBlock.Text = L("launcher.title", "App Launcher");
-        LauncherSubtitleTextBlock.Text = L("launcher.subtitle", "按 Windows 开始菜单结构显示所有应用与文件夹");
+        LauncherSubtitleTextBlock.Text = L(
-        ToolTip.SetTip(LauncherFolderBackButton, L("common.back", "返回"));
+            "launcher.subtitle",
-        ToolTip.SetTip(LauncherFolderCloseButton, L("common.close", "关闭"));
+            "Displays all apps and folders based on the Windows Start menu structure.");
+        ToolTip.SetTip(LauncherFolderBackButton, L("common.back", "Back"));
+        ToolTip.SetTip(LauncherFolderCloseButton, L("common.close", "Close"));
 
         SettingsNavHeaderTextBlock.Text = L("settings.nav_header", "Settings");
         SettingsNavWallpaperTextBlock.Text = L("settings.nav.wallpaper", "Wallpaper");
@@ -109,11 +111,13 @@ public partial class MainWindow
         SettingsNavWeatherTextBlock.Text = L("settings.nav.weather", "Weather");
         SettingsNavRegionTextBlock.Text = L("settings.nav.region", "Region");
 
-        WallpaperPanelTitleTextBlock.Text = L("settings.wallpaper.title", "个性化我们的背景");
+        WallpaperPanelTitleTextBlock.Text = L("settings.wallpaper.title", "Personalize your wallpaper");
-        WallpaperPlacementSettingsExpander.Header = L("settings.wallpaper.placement_label", "选择契合度");
+        WallpaperPlacementSettingsExpander.Header = L("settings.wallpaper.placement_label", "Placement");
-        WallpaperPlacementSettingsExpander.Description = L("settings.wallpaper.placement_desc", "调整图像在桌面上的填充方式。");
+        WallpaperPlacementSettingsExpander.Description = L(
-        PickWallpaperButton.Content = L("settings.wallpaper.pick_button", "浏览照片");
+            "settings.wallpaper.placement_desc",
-        ClearWallpaperButton.Content = L("settings.wallpaper.clear_button", "重置");
+            "Adjust how the image fits on the desktop.");
+        PickWallpaperButton.Content = L("settings.wallpaper.pick_button", "Browse");
+        ClearWallpaperButton.Content = L("settings.wallpaper.clear_button", "Reset");
 
         GridPanelTitleTextBlock.Text = L("settings.grid.title", "Grid Layout");
         GridSpacingPresetLabelTextBlock.Text = L("settings.grid.spacing_label", "Grid Spacing");
@@ -265,7 +269,7 @@ public partial class MainWindow
 
     private string GetLocalizedTimeZoneDisplayName(TimeZoneInfo timeZone)
     {
-        var offset = timeZone.BaseUtcOffset;
+        var offset = timeZone.GetUtcOffset(DateTime.UtcNow);
         var sign = offset >= TimeSpan.Zero ? "+" : "-";
         var hours = Math.Abs(offset.Hours);
         var minutes = Math.Abs(offset.Minutes);

LanMontainDesktop/Views/MainWindow.axaml

@@ -476,7 +476,7 @@
                                                    FontWeight="SemiBold"
                                                    Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
                                                    Margin="0,0,0,24"
-                                                   Text="涓€у寲鎮ㄧ殑鑳屾櫙" />
+                                                   Text="Personalize Wallpaper" />
 
                                         <!-- Left Column: Monitor Preview -->
                                         <Border x:Name="WallpaperPreviewHost"
@@ -563,11 +563,11 @@
                                                            FontWeight="Medium"
                                                            Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
                                                            TextTrimming="CharacterEllipsis"
-                                                           Text="鏈€夋嫨鏂囦欢" />
+                                                           Text="No file selected" />
                                                 <TextBlock x:Name="WallpaperStatusTextBlock"
                                                            FontSize="12"
                                                            Foreground="{DynamicResource AdaptiveTextMutedBrush}"
-                                                           Text="灏辩华" />
+                                                           Text="Ready" />
                                             </StackPanel>
 
                                             <Separator Background="{DynamicResource SurfaceStrokeColorDefaultBrush}" Height="1" Margin="0,8" />
@@ -581,13 +581,13 @@
                                                         HorizontalAlignment="Stretch"
                                                         Padding="0,10"
                                                         Click="OnPickWallpaperClick"
-                                                        Content="娴忚鐓х墖" />
+                                                        Content="Browse" />
                                                 <Button x:Name="ClearWallpaperButton"
                                                         Grid.Column="1"
                                                         HorizontalAlignment="Stretch"
                                                         Padding="0,10"
                                                         Click="OnClearWallpaperClick"
-                                                        Content="閲嶇疆" />
+                                                        Content="Reset" />
                                             </Grid>
 
                                             <Border Classes="settings-expander-shell">
@@ -695,7 +695,7 @@
                                     <StackPanel Grid.Row="1" Grid.Column="1"
                                                 Margin="16,0,0,0"
                                                 Spacing="16">
-                                        <TextBlock Text="绔栨帓鏍兼暟" FontSize="16" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
+                                            <TextBlock Text="Rows" FontSize="16" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
 
                                          <Grid ColumnDefinitions="*,Auto" ColumnSpacing="12">
                                              <Slider x:Name="GridSizeSlider"
@@ -754,7 +754,7 @@
 
                                         <TextBlock x:Name="GridEdgeInsetComputedPxTextBlock"
                                                    Foreground="{DynamicResource AdaptiveTextSecondaryBrush}"
-                                                   Text="鈮?0 px" />
+                                                   Text=">= 0 px" />
 
                                          <Button x:Name="ApplyGridButton"
                                                  HorizontalAlignment="Stretch"
@@ -1005,15 +1005,15 @@
                                                           Unchecked="OnStatusBarClockUnchecked" />
                                         </ui:SettingsExpander.Footer>
                                         <StackPanel Margin="0,8,0,0" Spacing="12">
-                                            <TextBlock Text="鏄剧ず鏍煎紡" FontSize="14" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
+                                            <TextBlock Text="Display Format" FontSize="14" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
                                             <StackPanel Orientation="Horizontal" Spacing="8">
                                                 <RadioButton x:Name="ClockFormatHMSSRadio"
-                                                             Content="鏃跺垎绉?(HH:mm:ss)"
+                                                        Content="Time with seconds (HH:mm:ss)"
                                                              GroupName="ClockFormat"
                                                              Checked="OnClockFormatChanged"
                                                              Tag="Hms" />
                                                 <RadioButton x:Name="ClockFormatHMRadio"
-                                                             Content="鏃跺垎 (HH:mm)"
+                                                        Content="Time (HH:mm)"
                                                              GroupName="ClockFormat"
                                                              Checked="OnClockFormatChanged"
                                                              Tag="Hm" />
@@ -1070,7 +1070,7 @@
 
                                             <TextBlock x:Name="StatusBarSpacingComputedPxTextBlock"
                                                        Foreground="{DynamicResource AdaptiveTextSecondaryBrush}"
-                                                       Text="鈮?0 px" />
+                                                       Text=">= 0 px" />
                                         </StackPanel>
                                     </ui:SettingsExpander>
 </Border>
@@ -1274,19 +1274,19 @@
 </Border>
                                 </StackPanel>
 
-                                    <StackPanel x:Name="AboutSettingsPanel" IsVisible="False" Spacing="20">
+                                <StackPanel x:Name="AboutSettingsPanel" IsVisible="False" Spacing="20">
-                                        <TextBlock x:Name="AboutPanelTitleTextBlock" FontSize="24" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" Text="鍏充簬" />
+                                    <TextBlock x:Name="AboutPanelTitleTextBlock" FontSize="24" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" Text="About" />
                                         <Border Background="{DynamicResource AdaptiveSurfaceRaisedBrush}" CornerRadius="{DynamicResource DesignCornerRadiusMd}" Padding="20">
                                             <StackPanel Spacing="12">
                                                 <TextBlock Text="LanMontainDesktop" FontSize="20" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
                                                 <TextBlock Text="Modern desktop shell experience." FontSize="13" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                                                 <Separator Background="{DynamicResource AdaptiveButtonBorderBrush}" Margin="0,8" />
-                                                <TextBlock x:Name="VersionTextBlock" Text="鐗堟湰鍙? 1.0.0" FontSize="13" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
+                                                <TextBlock x:Name="VersionTextBlock" Text="Version: 1.0.0" FontSize="13" Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
-                                                <TextBlock x:Name="CodeNameTextBlock" Text="鐗堟湰浠ｅ彿: Administrate" FontSize="13" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveAccentBrush}" />
+                                                <TextBlock x:Name="CodeNameTextBlock" Text="Code Name: Administrate" FontSize="13" FontWeight="SemiBold" Foreground="{DynamicResource AdaptiveAccentBrush}" />
-                                                <TextBlock x:Name="FontInfoTextBlock" Text="字体: MiSans" FontSize="12" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
+                                                <TextBlock x:Name="FontInfoTextBlock" Text="Font: MiSans" FontSize="12" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                                             </StackPanel>
                                         </Border>
-                                    </StackPanel>
+                                </StackPanel>
                             </Grid>
                         </Border>
                     </Grid>
@@ -1314,7 +1314,7 @@
                         CornerRadius="36,36,0,0"
                         Padding="16,12">
                     <Grid ColumnDefinitions="*,Auto">
-                        <TextBlock Text="缁勪欢璁剧疆"
+                        <TextBlock Text="Component Settings"
                                    FontSize="16"
                                    FontWeight="SemiBold"
                                    Foreground="White"

LanMontainDesktop/Views/MainWindow.axaml.cs

@@ -795,7 +795,7 @@ public partial class MainWindow : Window
         var spacingPx = Math.Max(0, cellSize) * (percent / 100d);
         StatusBarSpacingComputedPxTextBlock.Text = Lf(
             "settings.status_bar.spacing_custom_px_format",
-            "鈮?{0:F1}px",
+            ">= {0:F1}px",
             spacingPx);
     }
 
@@ -863,13 +863,11 @@ public partial class MainWindow : Window
         var shortSidePx = Math.Max(1, Math.Min(hostWidth, hostHeight));
         var baseCell = shortSidePx / cells;
         
-        // --- 姣斾緥鍖栫暀鐧?(Proportional Inset) ---
+        // Proportional inset based on user percentage selection.
-        // 鍏佽鐢ㄦ埛鐧惧垎姣旇皟鑺傦紝浣嗚瀹氭洿鍚堢悊鐨勫熀鍑嗗拰闄愬埗
         var clampedPercent = Math.Clamp(insetPercent, MinEdgeInsetPercent, MaxEdgeInsetPercent);
         var insetRatio = clampedPercent / 100d;
         
-        // 纭繚鏈€灏忕暀鐧借兘瀹圭撼涓€瀹氱殑闃村奖鎵╁睍
+        // Keep inset within a practical visual range.
-        // 鍏佽 0 杈硅窛锛屾渶澶т笂闄愮淮鎸?80px
         return Math.Clamp(baseCell * insetRatio, 0, 80);
     }
 
@@ -1282,7 +1280,7 @@ public partial class MainWindow : Window
             };
             TimeZoneComboBox.Items.Add(item);
 
-            // 閫変腑褰撳墠鏃跺尯
+            // Select current time zone.
             if (tz.Id == _timeZoneService.CurrentTimeZone.Id)
             {
                 TimeZoneComboBox.SelectedItem = item;