Add diff file syntax highlighting

1. Merged from forked repo https://github.com/emako/QuickLook/tree/master/QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer
2. Use TextBox instead of AvalonEdit and prepare for new feature

Build/micasetup.json

@@ -36,6 +36,7 @@
   "IsRefreshExplorer": true,
   "IsInstallCertificate": false,
   "IsEnableUninstallDelayUntilReboot": true,
+  "IsUseTempPathFork": false,
   "IsEnvironmentVariable": false,
   "OverlayInstallRemoveExt": "exe,dll,pdb,config,winmd,txt,bat,ax,manifest,xshd",
   "UnpackingPassword": null,

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/AppImage/AppImageReader.cs

@@ -61,8 +61,8 @@ public class AppImageReader
 
     public AppImageReader(string path)
     {
-        using FileStream fs = File.OpenRead(path);
-        Open(fs);
+        using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
+        Open(fileStream);
     }
 
     private void Open(Stream stream)

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Wgt/WgtParser.cs

@@ -29,7 +29,7 @@ internal static class WgtParser
 {
     public static WgtInfo Parse(string path)
     {
-        using var fileStream = File.OpenRead(path);
+        using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
         using var zipArchive = new ZipArchive(fileStream, ZipArchiveMode.Read);
         var manifestEntry = zipArchive.GetEntry("manifest.json");
 

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/ArchiveFileEntry.cs

@@ -45,7 +45,7 @@ public class ArchiveFileEntry : IComparable<ArchiveFileEntry>
     public DateTime ModifiedDate { get; set; }
 
     /// <summary>
-    ///     Returns the maximum depth of all siblings
+    /// Returns the maximum depth of all siblings
     /// </summary>
     public int Level
     {
@@ -75,7 +75,7 @@ public class ArchiveFileEntry : IComparable<ArchiveFileEntry>
     }
 
     /// <summary>
-    ///     Returns the number of nodes in the longest path to a leaf
+    /// Returns the number of nodes in the longest path to a leaf
     /// </summary>
     private int GetDepth()
     {

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/ArchiveInfoPanel.xaml.cs

@@ -134,14 +134,14 @@ public partial class ArchiveInfoPanel : UserControl, IDisposable, INotifyPropert
 
     private void LoadItemsFromArchive(string path)
     {
-        using var stream = File.OpenRead(path);
+        using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
 
         // ReaderFactory is slow... so limit its usage
         string[] useReader = [".tar.gz", ".tgz", ".tar.bz2", ".tar.lz", ".tar.xz"];
 
         if (useReader.Any(path.ToLower().EndsWith))
         {
-            var reader = ReaderFactory.Open(stream, new ChardetReaderOptions());
+            var reader = ReaderFactory.Open(fileStream, new ChardetReaderOptions());
 
             _type = reader.ArchiveType.ToString();
 
@@ -149,13 +149,13 @@ public partial class ArchiveInfoPanel : UserControl, IDisposable, INotifyPropert
             {
                 if (_disposed)
                     return;
-                LoadPercent = 100d * stream.Position / stream.Length;
+                LoadPercent = 100d * fileStream.Position / fileStream.Length;
                 ProcessByLevel(reader.Entry);
             }
         }
         else
         {
-            var archive = ArchiveFactory.Open(stream, new ChardetReaderOptions());
+            var archive = ArchiveFactory.Open(fileStream, new ChardetReaderOptions());
 
             _type = archive.Type.ToString();
 
@@ -163,7 +163,7 @@ public partial class ArchiveInfoPanel : UserControl, IDisposable, INotifyPropert
             {
                 if (_disposed)
                     return;
-                LoadPercent = 100d * stream.Position / stream.Length;
+                LoadPercent = 100d * fileStream.Position / fileStream.Length;
                 ProcessByLevel(entry);
             }
         }

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/IconManager.cs

@@ -28,9 +28,9 @@ using System.Windows.Media.Imaging;
 namespace QuickLook.Plugin.ArchiveViewer;
 
 /// <summary>
-///     Internals are mostly from here:
-///     http://www.codeproject.com/Articles/2532/Obtaining-and-managing-file-and-folder-icons-using
-///     Caches all results.
+/// Internals are mostly from here:
+/// http://www.codeproject.com/Articles/2532/Obtaining-and-managing-file-and-folder-icons-using
+/// Caches all results.
 /// </summary>
 public static class IconManager
 {
@@ -48,7 +48,7 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     Get the icon of a directory
+    /// Get the icon of a directory
     /// </summary>
     /// <param name="large">16x16 or 32x32 icon</param>
     /// <returns>an icon</returns>
@@ -68,7 +68,7 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     Get an icon for a given filename
+    /// Get an icon for a given filename
     /// </summary>
     /// <param name="fileName">any filename</param>
     /// <param name="large">16x16 or 32x32 icon</param>
@@ -89,7 +89,7 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     http://stackoverflow.com/a/6580799/1943849
+    /// http://stackoverflow.com/a/6580799/1943849
     /// </summary>
     private static ImageSource ToImageSource(this Icon icon)
     {
@@ -101,31 +101,31 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     Provides static methods to read system icons for both folders and files.
+    /// Provides static methods to read system icons for both folders and files.
     /// </summary>
     /// <example>
-    ///     <code>IconReader.GetFileIcon("c:\\general.xls");</code>
+    /// <code>IconReader.GetFileIcon("c:\\general.xls");</code>
     /// </example>
     private static class IconReader
     {
         /// <summary>
-        ///     Options to specify the size of icons to return.
+        /// Options to specify the size of icons to return.
         /// </summary>
         public enum IconSize
         {
             /// <summary>
-            ///     Specify large icon - 32 pixels by 32 pixels.
+            /// Specify large icon - 32 pixels by 32 pixels.
             /// </summary>
             Large = 0,
 
             /// <summary>
-            ///     Specify small icon - 16 pixels by 16 pixels.
+            /// Specify small icon - 16 pixels by 16 pixels.
             /// </summary>
             Small = 1
         }
 
         /// <summary>
-        ///     Returns the icon of a folder.
+        /// Returns the icon of a folder.
         /// </summary>
         /// <param name="size">Large or small</param>
         /// <param name="linkOverlay">Whether to include the link icon</param>
@@ -152,7 +152,7 @@ public static class IconManager
         }
 
         /// <summary>
-        ///     Returns an icon for a given file - indicated by the name parameter.
+        /// Returns an icon for a given file - indicated by the name parameter.
         /// </summary>
         /// <param name="name">Pathname for file.</param>
         /// <param name="size">Large or small</param>
@@ -181,8 +181,8 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     Wraps necessary Shell32.dll structures and functions required to retrieve Icon Handles using SHGetFileInfo. Code
-    ///     courtesy of MSDN Cold Rooster Consulting case study.
+    /// Wraps necessary Shell32.dll structures and functions required to retrieve Icon Handles using SHGetFileInfo. Code
+    /// courtesy of MSDN Cold Rooster Consulting case study.
     /// </summary>
     private static class Shell32
     {
@@ -221,13 +221,13 @@ public static class IconManager
     }
 
     /// <summary>
-    ///     Wraps necessary functions imported from User32.dll. Code courtesy of MSDN Cold Rooster Consulting example.
+    /// Wraps necessary functions imported from User32.dll. Code courtesy of MSDN Cold Rooster Consulting example.
     /// </summary>
     private static class User32
     {
         /// <summary>
-        ///     Provides access to function required to delete handle. This method is used internally
-        ///     and is not required to be called separately.
+        /// Provides access to function required to delete handle. This method is used internally
+        /// and is not required to be called separately.
         /// </summary>
         /// <param name="hIcon">Pointer to icon handle.</param>
         /// <returns>N/A</returns>

QuickLook.Plugin/QuickLook.Plugin.FontViewer/FreeTypeApi.cs

@@ -40,12 +40,19 @@ internal unsafe static class FreeTypeApi
 
         error = FT_New_Face(lib, (byte*)Marshal.StringToHGlobalAnsi(path), IntPtr.Zero, &face);
 
-        if (error == FT_Error.FT_Err_Ok)
+        try
         {
-            var familyName = Marshal.PtrToStringAnsi((nint)face->family_name);
-            return familyName;
+            if (error == FT_Error.FT_Err_Ok)
+            {
+                var familyName = Marshal.PtrToStringAnsi((nint)face->family_name);
+                return familyName;
+            }
+        }
+        finally
+        {
+            FT_Done_Face(face);
+            FT_Done_FreeType(lib);
         }
-
         return null;
     }
 }

QuickLook.Plugin/QuickLook.Plugin.FontViewer/ObservableFileStream.cs

@@ -0,0 +1,26 @@
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace QuickLook.Plugin.FontViewer;
+
+public class ObservableFileStream(string path, FileMode mode, FileAccess access, FileShare share) : FileStream(path, mode, access, share)
+{
+    public bool IsEndOfStream { get; protected set; } = false;
+
+    public override int Read(byte[] array, int offset, int count)
+    {
+        int result = base.Read(array, offset, count);
+        if (result == 0)
+            IsEndOfStream = true;
+        return result;
+    }
+
+    public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
+    {
+        int result = await base.ReadAsync(buffer, offset, count, cancellationToken);
+        if (result == 0)
+            IsEndOfStream = true;
+        return result;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.FontViewer/Plugin.cs

@@ -19,6 +19,7 @@ using QuickLook.Common.Plugin;
 using System;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
 using System.Windows;
 
 namespace QuickLook.Plugin.FontViewer;
@@ -52,7 +53,12 @@ public class Plugin : IViewer
 
         context.ViewerContent = _panel;
         context.Title = Path.GetFileName(path);
-        context.IsBusy = false;
+
+        _ = Task.Run(() =>
+        {
+            _ = _panel.WaitForFontSent();
+            context.IsBusy = false;
+        });
     }
 
     public void Cleanup()

QuickLook.Plugin/QuickLook.Plugin.FontViewer/WebfontPanel.cs

@@ -26,6 +26,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using System.Threading;
 
 namespace QuickLook.Plugin.FontViewer;
 
@@ -34,6 +35,7 @@ public class WebfontPanel : WebpagePanel
     protected const string _resourcePrefix = "QuickLook.Plugin.FontViewer.Resources.";
     protected internal static readonly Dictionary<string, byte[]> _resources = [];
     protected byte[] _homePage;
+    protected ObservableFileStream _fontStream = null;
 
     static WebfontPanel()
     {
@@ -149,14 +151,15 @@ public class WebfontPanel : WebpagePanel
                 }
                 else
                 {
-                    var localPath = _fallbackPath + requestedUri.AbsolutePath.Replace('/', '\\');
+                    var localPath = _fallbackPath + Uri.UnescapeDataString(requestedUri.AbsolutePath).Replace('/', '\\');
 
                     if (File.Exists(localPath))
                     {
-                        var fileStream = File.OpenRead(localPath);
+                        var fileStream = new ObservableFileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
                         var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
                             fileStream, 200, "OK", MimeTypes.GetContentType());
                         args.Response = response;
+                        _fontStream = fileStream; // Only the font request will set this
                     }
                 }
             }
@@ -168,6 +171,19 @@ public class WebfontPanel : WebpagePanel
         }
     }
 
+    public bool WaitForFontSent()
+    {
+        bool timeout = SpinWait.SpinUntil(
+            () => _fontStream is not null && _fontStream.IsEndOfStream,
+            TimeSpan.FromSeconds(1.5d) // The prediction is MAX 100MB
+        );
+
+        // Only when the `IsEndOfStream` is true
+        // Delay 15ms per MB for webview2 to render the font
+        if (timeout) Thread.Sleep(15 * (int)(_fontStream.Position / 1_048_576));
+        return timeout;
+    }
+
     public static bool ContainsKey(string key)
     {
         return _resources.ContainsKey(key);

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/WebpagePanel.cs

@@ -210,7 +210,7 @@ public class WebpagePanel : UserControl
                     if (File.Exists(fallbackFilePath))
                     {
                         // Serve the file from the fallback directory
-                        var fileStream = File.OpenRead(fallbackFilePath);
+                        var fileStream = new FileStream(fallbackFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
                         var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
                             fileStream, 200, "OK", "Content-Type: application/octet-stream");
                         args.Response = response;

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/AnimatedImage.cs

@@ -59,21 +59,19 @@ public class AnimatedImage : Image, IDisposable
         return provider;
     }
 
-    #region DependencyProperty
-
     public static readonly DependencyProperty AnimationFrameIndexProperty =
-        DependencyProperty.Register("AnimationFrameIndex", typeof(int), typeof(AnimatedImage),
+        DependencyProperty.Register(nameof(AnimationFrameIndex), typeof(int), typeof(AnimatedImage),
             new UIPropertyMetadata(-1, AnimationFrameIndexChanged));
 
     public static readonly DependencyProperty AnimationUriProperty =
-        DependencyProperty.Register("AnimationUri", typeof(Uri), typeof(AnimatedImage),
+        DependencyProperty.Register(nameof(AnimationUri), typeof(Uri), typeof(AnimatedImage),
             new UIPropertyMetadata(null, AnimationUriChanged));
 
     public static readonly DependencyProperty MetaProperty =
-        DependencyProperty.Register("Meta", typeof(MetaProvider), typeof(AnimatedImage));
+        DependencyProperty.Register(nameof(Meta), typeof(MetaProvider), typeof(AnimatedImage));
 
     public static readonly DependencyProperty ContextObjectProperty =
-        DependencyProperty.Register("ContextObject", typeof(ContextObject), typeof(AnimatedImage));
+        DependencyProperty.Register(nameof(ContextObject), typeof(ContextObject), typeof(AnimatedImage));
 
     public int AnimationFrameIndex
     {
@@ -104,9 +102,6 @@ public class AnimatedImage : Image, IDisposable
         if (obj is not AnimatedImage instance)
             return;
 
-        //var thumbnail = instance.Meta?.GetThumbnail(true);
-        //instance.Source = thumbnail;
-
         instance._animation = InitAnimationProvider((Uri)ev.NewValue, instance.Meta, instance.ContextObject);
         ShowThumbnailAndStartAnimation(instance);
     }
@@ -161,6 +156,4 @@ public class AnimatedImage : Image, IDisposable
         }));
         task.Start();
     }
-
-    #endregion DependencyProperty
 }

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/AnimationProvider.cs

@@ -24,20 +24,13 @@ using System.Windows.Media.Imaging;
 
 namespace QuickLook.Plugin.ImageViewer.AnimatedImage;
 
-internal abstract class AnimationProvider : IDisposable
+internal abstract class AnimationProvider(Uri path, MetaProvider meta, ContextObject contextObject) : IDisposable
 {
-    protected AnimationProvider(Uri path, MetaProvider meta, ContextObject contextObject)
-    {
-        Path = path;
-        Meta = meta;
-        ContextObject = contextObject;
-    }
+    public Uri Path { get; } = path;
 
-    public Uri Path { get; }
+    public MetaProvider Meta { get; } = meta;
 
-    public MetaProvider Meta { get; }
-
-    public ContextObject ContextObject { get; }
+    public ContextObject ContextObject { get; } = contextObject;
 
     public Int32AnimationUsingKeyFrames Animator { get; protected set; }
 

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/APngProvider.cs

@@ -17,6 +17,7 @@
 
 using LibAPNG;
 using QuickLook.Common.ExtensionMethods;
+using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
 using System;
 using System.Collections.Generic;
@@ -30,20 +31,28 @@ using System.Windows.Media.Imaging;
 
 namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers;
 
+/// <summary>
+/// This provider is only for Animated PNG.
+/// The others will fall back to another provider.
+/// </summary>
 internal class APngProvider : AnimationProvider
 {
     private readonly Frame _baseFrame;
     private readonly List<FrameInfo> _frames;
     private readonly List<BitmapSource> _renderedFrames;
     private int _lastEffectivePreviousPreviousFrameIndex;
-    private NativeProvider _nativeImageProvider;
+    private AnimationProvider _fallbackImageProvider;
 
     public APngProvider(Uri path, MetaProvider meta, ContextObject contextObject) : base(path, meta, contextObject)
     {
         if (!IsAnimatedPng(path.LocalPath))
         {
-            _nativeImageProvider = new NativeProvider(path, meta, contextObject);
-            Animator = _nativeImageProvider.Animator;
+            var useNativeProvider = SettingHelper.Get("UseNativeProvider", true, "QuickLook.Plugin.ImageViewer");
+
+            _fallbackImageProvider = useNativeProvider ?
+                new NativeProvider(path, meta, contextObject) :
+                new ImageMagickProvider(path, meta, contextObject);
+            Animator = _fallbackImageProvider.Animator;
             return;
         }
 
@@ -71,8 +80,8 @@ internal class APngProvider : AnimationProvider
 
     public override Task<BitmapSource> GetThumbnail(Size renderSize)
     {
-        if (_nativeImageProvider != null)
-            return _nativeImageProvider.GetThumbnail(renderSize);
+        if (_fallbackImageProvider != null)
+            return _fallbackImageProvider.GetThumbnail(renderSize);
 
         return new Task<BitmapSource>(() =>
         {
@@ -85,8 +94,8 @@ internal class APngProvider : AnimationProvider
 
     public override Task<BitmapSource> GetRenderedFrame(int index)
     {
-        if (_nativeImageProvider != null)
-            return _nativeImageProvider.GetRenderedFrame(index);
+        if (_fallbackImageProvider != null)
+            return _fallbackImageProvider.GetRenderedFrame(index);
 
         if (_renderedFrames[index] != null)
             return new Task<BitmapSource>(() => _renderedFrames[index]);
@@ -102,10 +111,10 @@ internal class APngProvider : AnimationProvider
 
     public override void Dispose()
     {
-        if (_nativeImageProvider != null)
+        if (_fallbackImageProvider != null)
         {
-            _nativeImageProvider.Dispose();
-            _nativeImageProvider = null;
+            _fallbackImageProvider.Dispose();
+            _fallbackImageProvider = null;
             return;
         }
 
@@ -214,7 +223,7 @@ internal class APngProvider : AnimationProvider
             return false;
         }
 
-        uint ToUInt32BE(byte[] data)
+        static uint ToUInt32BE(byte[] data)
         {
             Array.Reverse(data);
             return BitConverter.ToUInt32(data, 0);

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/NativeProvider.cs

@@ -40,11 +40,6 @@ internal class NativeProvider : AnimationProvider
     public override Task<BitmapSource> GetThumbnail(Size renderSize)
     {
         var fullSize = Meta.GetSize();
-
-        //var decodeWidth = (int) Math.Round(fullSize.Width *
-        //                                   Math.Min(renderSize.Width / 2 / fullSize.Width,
-        //                                       renderSize.Height / 2 / fullSize.Height));
-        //var decodeHeight = (int) Math.Round(fullSize.Height / fullSize.Width * decodeWidth);
         var decodeWidth =
             (int)Math.Round(Math.Min(Meta.GetSize().Width, Math.Max(1d, Math.Floor(renderSize.Width))));
         var decodeHeight =

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs

@@ -103,9 +103,7 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
         ContextObject = context;
         Meta = meta;
 
-        var s = meta.GetSize();
-        //_minZoomFactor = Math.Min(200d / s.Height, 400d / s.Width);
-        //_maxZoomFactor = Math.Min(9000d / s.Height, 9000d / s.Width);
+        _ = meta.GetSize();
 
         ShowMeta();
         Theme = ContextObject.Theme;

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Plugin.cs

@@ -65,8 +65,16 @@ public class Plugin : IViewer
 
     public void Init()
     {
+        // Option of UseColorProfile:
+        // Default is False (disable color profile conversion)
+        // Note that enabling this feature will slow down image previewing, especially on large images.
         var useColorProfile = SettingHelper.Get("UseColorProfile", false, "QuickLook.Plugin.ImageViewer");
 
+        // Option of UseNativeProvider:
+        // Default is True (disable precise colors and choose faster response)
+        // Note that disabling this feature may slightly slow down image previewing but you can get precise colors.
+        var useNativeProvider = SettingHelper.Get("UseNativeProvider", true, "QuickLook.Plugin.ImageViewer");
+
         AnimatedImage.AnimatedImage.Providers.Add(
             new KeyValuePair<string[], Type>(
                 useColorProfile ? [".apng"] : [".apng", ".png"],
@@ -76,11 +84,10 @@ public class Plugin : IViewer
                 typeof(GifProvider)));
         AnimatedImage.AnimatedImage.Providers.Add(
             new KeyValuePair<string[], Type>(
-                useColorProfile ? [] : [".bmp", ".jpg", ".jpeg", ".jfif", ".tif", ".tiff"],
+                useColorProfile ? [] : (useNativeProvider ? [".bmp", ".jpg", ".jpeg", ".jfif", ".tif", ".tiff"] : []),
                 typeof(NativeProvider)));
         AnimatedImage.AnimatedImage.Providers.Add(
-            new KeyValuePair<string[], Type>(
-                useColorProfile ? [] : [".jxr"],
+            new KeyValuePair<string[], Type>([".jxr"],
                 typeof(WmpProvider)));
         AnimatedImage.AnimatedImage.Providers.Add(
             new KeyValuePair<string[], Type>([".icns"],

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Lottie/LottieExtractor.cs

@@ -27,7 +27,7 @@ internal static class LottieExtractor
 {
     public static string GetJsonContent(string path)
     {
-        using var fileStream = File.OpenRead(path);
+        using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
         using var zipArchive = new ZipArchive(fileStream, ZipArchiveMode.Read);
 
         var manifestEntry = zipArchive.GetEntry("manifest.json");

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Webview/Svg/SvgImagePanel.cs

@@ -22,6 +22,7 @@ using QuickLook.Plugin.HtmlViewer;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Reflection;
@@ -67,6 +68,7 @@ public class SvgImagePanel : WebpagePanel, IWebImagePanel
             {
                 UserDataFolder = Path.Combine(SettingHelper.LocalDataPath, @"WebView2_Data\"),
             },
+            DefaultBackgroundColor = Color.Transparent,
         };
         _webView.CoreWebView2InitializationCompleted += WebView_CoreWebView2InitializationCompleted;
         Content = _webView;
@@ -128,11 +130,11 @@ public class SvgImagePanel : WebpagePanel, IWebImagePanel
                 }
                 else
                 {
-                    var localPath = _fallbackPath + requestedUri.AbsolutePath.Replace('/', '\\');
+                    var localPath = _fallbackPath + Uri.UnescapeDataString(requestedUri.AbsolutePath).Replace('/', '\\');
 
                     if (File.Exists(localPath))
                     {
-                        var fileStream = File.OpenRead(localPath);
+                        var fileStream = new FileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
                         var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
                             fileStream, 200, "OK", MimeTypes.GetContentTypeHeader());
                         args.Response = response;
@@ -147,7 +149,7 @@ public class SvgImagePanel : WebpagePanel, IWebImagePanel
                 {
                     if (File.Exists(localPath))
                     {
-                        var fileStream = File.OpenRead(localPath);
+                        var fileStream = new FileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
                         var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
                             fileStream, 200, "OK",
                             $"""

QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/MarkdownPanel.cs

@@ -124,11 +124,11 @@ public class MarkdownPanel : WebpagePanel
                 }
                 else
                 {
-                    var localPath = _fallbackPath + requestedUri.AbsolutePath.Replace('/', '\\');
+                    var localPath = _fallbackPath + Uri.UnescapeDataString(requestedUri.AbsolutePath).Replace('/', '\\');
 
                     if (File.Exists(localPath))
                     {
-                        var fileStream = File.OpenRead(localPath);
+                        var fileStream = new FileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
                         var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
                             fileStream, 200, "OK", MimeTypes.GetContentType());
                         args.Response = response;

QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Resources/md2html.html

@@ -19,6 +19,7 @@
     <script src="highlight.js/highlight.min.js"></script>
 
     <script src="js/markdownItAnchor.umd.js"></script>
+    <script src="js/mermaid.min.js"></script>
   </head>
   <body class="markdown-body">
     <link rel="stylesheet" href="css/github-markdown.css" />
@@ -172,6 +173,33 @@
         padding-right: calc(1em - 2px);
         padding-left: 0;
       }
+
+      /* Mermaid diagram styles */
+      .mermaid {
+        display: flex;
+        justify-content: center;
+        margin: 1em 0;
+      }
+
+      .mermaid svg {
+        max-width: 100%;
+        height: auto;
+        border-radius: 6px;
+        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+      }
+
+      .mermaid-placeholder {
+        border: 2px dashed var(--borderColor-default);
+        background: var(--bgColor-muted);
+        color: var(--fgColor-muted);
+        border-radius: 6px;
+      }
+
+      .mermaid-placeholder pre {
+        background: var(--bgColor-default);
+        border: 1px solid var(--borderColor-default);
+        color: var(--fgColor-default);
+      }
     </style>
 
     <textarea id="text-input" style="display: none">{{content}}</textarea>
@@ -188,6 +216,9 @@
           typographer: false,
           quotes: "“”‘’",
           highlight: function (str, lang) {
+            if (lang === 'mermaid') {
+              return '<div class="mermaid">' + str + '</div>';
+            }
             if (lang && hljs.getLanguage(lang)) {
               try {
                 return (
@@ -218,6 +249,62 @@
         document.getElementById("text-input").value
       );
 
+      // Initialize Mermaid after markdown rendering
+      if (window.mermaid) {
+        // Determine theme based on system preference
+        const isDarkMode = window.matchMedia('(prefers-color-scheme: dark)').matches;
+        
+        mermaid.initialize({
+          startOnLoad: false,
+          theme: isDarkMode ? 'dark' : 'default',
+          securityLevel: 'loose', // Allow HTML in diagrams for enhanced features
+          fontFamily: 'Segoe UI, Helvetica, Arial, sans-serif',
+          themeVariables: {
+            primaryColor: isDarkMode ? '#58a6ff' : '#0969da',
+            primaryTextColor: isDarkMode ? '#f0f6fc' : '#24292f',
+            primaryBorderColor: isDarkMode ? '#30363d' : '#d0d7de',
+            lineColor: isDarkMode ? '#484f58' : '#656d76',
+            sectionBkgColor: isDarkMode ? '#21262d' : '#f6f8fa',
+            altSectionBkgColor: isDarkMode ? '#161b22' : '#ffffff',
+            gridColor: isDarkMode ? '#21262d' : '#f6f8fa',
+            cScale0: isDarkMode ? '#58a6ff' : '#0969da',
+            cScale1: isDarkMode ? '#a5f3fc' : '#54aeff',
+            cScale2: isDarkMode ? '#ff7b72' : '#d1242f'
+          }
+        });
+        
+        // Render Mermaid diagrams with error handling
+        setTimeout(() => {
+          try {
+            mermaid.init(undefined, document.querySelectorAll('.mermaid'));
+          } catch (error) {
+            console.warn('Mermaid rendering error:', error);
+          }
+        }, 100);
+        
+        // Listen for theme changes and re-render diagrams
+        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
+          if (window.mermaid) {
+            const newTheme = e.matches ? 'dark' : 'default';
+            mermaid.initialize({
+              startOnLoad: false,
+              theme: newTheme,
+              securityLevel: 'loose',
+              fontFamily: 'Segoe UI, Helvetica, Arial, sans-serif'
+            });
+            
+            // Re-render all Mermaid diagrams
+            setTimeout(() => {
+              try {
+                mermaid.init(undefined, document.querySelectorAll('.mermaid'));
+              } catch (error) {
+                console.warn('Mermaid re-rendering error:', error);
+              }
+            }, 100);
+          }
+        });
+      }
+
       /* codes below are adopted from https://codepen.io/jtojnar/full/Juiop */
       var ToC = `<nav role='navigation' class='table-of-contents'>
         <h2>Contents</h2>

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/Exporter.cs

@@ -0,0 +1,16 @@
+using MediaInfoLib;
+using System.ComponentModel.Composition;
+
+namespace QuickLook.Plugin.MediaInfoViewer;
+
+[Export]
+public static class Exporter
+{
+    public static MediaInfo Open(string path)
+    {
+        MediaInfo lib = new MediaInfo()
+           .WithOpen(path);
+
+        return lib;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/Plugin.cs

@@ -0,0 +1,109 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using MediaInfoLib;
+using QuickLook.Common.Helpers;
+using QuickLook.Common.Plugin;
+using System;
+using System.IO;
+using System.Linq;
+using System.Windows;
+using System.Windows.Media;
+
+namespace QuickLook.Plugin.MediaInfoViewer;
+
+public class Plugin : IViewer
+{
+    private TextViewerPanel _tvp;
+
+    public int Priority => 0;
+
+    public void Init()
+    {
+    }
+
+    public bool CanHandle(string path)
+    {
+        // We only handle files with specific caller
+        return false;
+    }
+
+    public void Prepare(string path, ContextObject context)
+    {
+        context.PreferredSize = new Size { Width = 800, Height = 600 };
+    }
+
+    public void View(string path, ContextObject context)
+    {
+        using MediaInfo lib = new MediaInfo()
+            .WithOpen(path);
+
+        _tvp = new TextViewerPanel(lib.Inform(), context);
+        AssignHighlightingManager(_tvp, context);
+
+        _tvp.Tag = context;
+        _tvp.Drop += OnDrop;
+
+        context.ViewerContent = _tvp;
+        context.Title = $"{Path.GetFileName(path)}";
+        context.IsBusy = false;
+    }
+
+    private void OnDrop(object sender, DragEventArgs e)
+    {
+        if (e.Data.GetDataPresent(DataFormats.FileDrop))
+        {
+            if (e.Data.GetData(DataFormats.FileDrop) is string[] files
+                && files.FirstOrDefault() is string path)
+            {
+                if (_tvp!.Tag is ContextObject context)
+                {
+                    context.Title = $"{Path.GetFileName(path)}";
+                }
+
+                using MediaInfo lib = new MediaInfo()
+                    .WithOpen(path);
+                _tvp!.Text = lib.Inform();
+            }
+        }
+    }
+
+    public void Cleanup()
+    {
+        GC.SuppressFinalize(this);
+
+        _tvp = null!;
+    }
+
+    private void AssignHighlightingManager(TextViewerPanel tvp, ContextObject context)
+    {
+        var isDark = OSThemeHelper.AppsUseDarkTheme();
+
+        if (isDark)
+        {
+            context.Theme = Themes.Dark;
+            tvp.Foreground = new BrushConverter().ConvertFromString("#FFEFEFEF") as SolidColorBrush;
+            tvp.Background = Brushes.Transparent;
+        }
+        else
+        {
+            context.Theme = Themes.Light;
+            tvp.Foreground = new BrushConverter().ConvertFromString("#BBFAFAFA") as SolidColorBrush;
+            tvp.Background = Brushes.Transparent;
+        }
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/Properties/AssemblyInfo.cs

@@ -0,0 +1,50 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("QuickLook.Plugin.MediaInfoViewer")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("pooi.moe")]
+[assembly: AssemblyProduct("QuickLook.Plugin.MediaInfoViewer")]
+[assembly: AssemblyCopyright("Copyright © 2017-2025 QL-Win Contributors")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("b0054a16-472e-44ac-ba40-349303e524ff")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/QuickLook.Plugin.MediaInfoViewer.csproj

@@ -0,0 +1,84 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+    <PropertyGroup>
+        <OutputType>Library</OutputType>
+        <TargetFramework>net462</TargetFramework>
+        <RootNamespace>QuickLook.Plugin.MediaInfoViewer</RootNamespace>
+        <AssemblyName>QuickLook.Plugin.MediaInfoViewer</AssemblyName>
+        <FileAlignment>512</FileAlignment>
+        <SignAssembly>false</SignAssembly>
+        <UseWPF>true</UseWPF>
+        <LangVersion>latest</LangVersion>
+        <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+        <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+        <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+        <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+        <ProjectGuid>{B0054A16-472E-44AC-BA40-349303E524FF}</ProjectGuid>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <Optimize>false</Optimize>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.MediaInfoViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
+        <DebugType>pdbonly</DebugType>
+        <Optimize>true</Optimize>
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.MediaInfoViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.MediaInfoViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.MediaInfoViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <Optimize>true</Optimize>
+        <DebugType>pdbonly</DebugType>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\..\QuickLook.Common\QuickLook.Common.csproj">
+            <Project>{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}</Project>
+            <Name>QuickLook.Common</Name>
+            <Private>False</Private>
+        </ProjectReference>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Compile Include="..\..\GitVersion.cs">
+            <Link>Properties\GitVersion.cs</Link>
+        </Compile>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Reference Include="System.ComponentModel.Composition" />
+        <PackageReference Include="MediaInfoDLL" Version="25.7.0" />
+    </ItemGroup>
+
+    <Target Name="ReduceReleasePackaging" AfterTargets="Build">
+        <!-- MediaInfoDLL will copy the MediaInfo.dll file according to the architecture, we do not use this usage so delete it manually -->
+        <Delete Files="$(OutputPath)\MediaInfo.dll" Condition="Exists('$(OutputPath)\MediaInfo.dll')" />
+    </Target>
+
+    <ItemGroup>
+        <None Update="Translations.config">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
+    </ItemGroup>
+
+</Project>

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/TextViewerPanel.cs

@@ -0,0 +1,100 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Helpers;
+using QuickLook.Common.Plugin;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace QuickLook.Plugin.MediaInfoViewer;
+
+public class TextViewerPanel : TextBox
+{
+    public TextViewerPanel(string text, ContextObject context)
+    {
+        _ = context;
+
+        TextWrapping = TextWrapping.Wrap;
+        VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
+        HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
+        Margin = new Thickness(8d, 0d, 0d, 0d);
+        BorderThickness = new Thickness(0d);
+        FontSize = 14d;
+        IsReadOnly = true;
+        IsManipulationEnabled = true;
+
+        ContextMenu = new ContextMenu();
+        ContextMenu.Items.Add(new MenuItem
+        {
+            Header = TranslationHelper.Get("Editor_Copy", domain: "QuickLook.Plugin.TextViewer"),
+            Command = ApplicationCommands.Copy,
+        });
+        ContextMenu.Items.Add(new MenuItem
+        {
+            Header = TranslationHelper.Get("Editor_SelectAll",
+                domain: "QuickLook.Plugin.TextViewer"),
+            Command = ApplicationCommands.SelectAll,
+        });
+
+        ManipulationInertiaStarting += Viewer_ManipulationInertiaStarting;
+        ManipulationStarting += Viewer_ManipulationStarting;
+        ManipulationDelta += Viewer_ManipulationDelta;
+
+        PreviewMouseWheel += Viewer_MouseWheel;
+
+        FontFamily = new FontFamily("Consolas, " + TranslationHelper.Get("Editor_FontFamily",
+            domain: "QuickLook.Plugin.TextViewer"));
+
+        LoadTextAsync(text);
+    }
+
+    private void Viewer_ManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)
+    {
+        e.TranslationBehavior = new InertiaTranslationBehavior
+        {
+            InitialVelocity = e.InitialVelocities.LinearVelocity,
+            DesiredDeceleration = 10d * 96d / (1000d * 1000d)
+        };
+    }
+
+    private void Viewer_MouseWheel(object sender, MouseWheelEventArgs e)
+    {
+        e.Handled = true;
+
+        ScrollToVerticalOffset(VerticalOffset - e.Delta);
+    }
+
+    private void Viewer_ManipulationDelta(object sender, ManipulationDeltaEventArgs e)
+    {
+        e.Handled = true;
+
+        var delta = e.DeltaManipulation;
+        ScrollToVerticalOffset(VerticalOffset - delta.Translation.Y);
+    }
+
+    private void Viewer_ManipulationStarting(object sender, ManipulationStartingEventArgs e)
+    {
+        e.Mode = ManipulationModes.Translate;
+    }
+
+    private void LoadTextAsync(string text)
+    {
+        Text = text;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs

@@ -69,9 +69,9 @@ public class Plugin : IViewer
         if (path.EndsWith(".rtf", StringComparison.OrdinalIgnoreCase))
         {
             var rtfBox = new RichTextBox();
-            using FileStream fs = File.OpenRead(path);
+            using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
             rtfBox.Background = new SolidColorBrush(Colors.Transparent);
-            rtfBox.Selection.Load(fs, DataFormats.Rtf);
+            rtfBox.Selection.Load(fileStream, DataFormats.Rtf);
             rtfBox.IsReadOnly = true;
             rtfBox.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
             rtfBox.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Themes/HighlightingDefinitions/Dark/DiffHighlightingDefinition.cs

@@ -0,0 +1,124 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using ICSharpCode.AvalonEdit.Document;
+using ICSharpCode.AvalonEdit.Highlighting;
+using ICSharpCode.AvalonEdit.Rendering;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace QuickLook.Plugin.TextViewer.Themes.HighlightingDefinitions.Dark;
+
+public class DiffHighlightingDefinition : DarkHighlightingDefinition
+{
+    public override string Name => "Diff";
+
+    public override string Extension => ".diff";
+
+    public override HighlightingRuleSet MainRuleSet => new()
+    {
+        Rules =
+        {
+            // Diff header (diff --git, index, etc.)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^(diff --git|index|---|\+\+\+)", RegexOptions.Compiled),
+                Color = GetNamedColor("Header")
+            },
+            // File mode and other metadata
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^(new file mode|deleted file mode|old mode|new mode|similarity index|dissimilarity index|rename from|rename to|copy from|copy to)", RegexOptions.Compiled),
+                Color = GetNamedColor("Metadata")
+            },
+            // Hunk headers (@@ ... @@)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^@@.*@@$", RegexOptions.Compiled),
+                Color = GetNamedColor("HunkHeader")
+            },
+            // Added lines (+)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^\+.*$", RegexOptions.Compiled),
+                Color = GetNamedColor("Added")
+            },
+            // Removed lines (-)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^-.*$", RegexOptions.Compiled),
+                Color = GetNamedColor("Removed")
+            },
+            // Context lines (unchanged)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^ .*", RegexOptions.Compiled),
+                Color = GetNamedColor("Context")
+            }
+        }
+    };
+
+    public override HighlightingColor GetNamedColor(string name)
+    {
+        return name switch
+        {
+            "Header" => new HighlightingColor
+            {
+                Name = "Header",
+                Foreground = new SimpleHighlightingBrush("#569CD6".ToColor()), // Blue for headers
+            },
+            "Metadata" => new HighlightingColor
+            {
+                Name = "Metadata",
+                Foreground = new SimpleHighlightingBrush("#808080".ToColor()), // Gray for metadata
+            },
+            "HunkHeader" => new HighlightingColor
+            {
+                Name = "HunkHeader",
+                Foreground = new SimpleHighlightingBrush("#C586C0".ToColor()), // Purple for hunk headers
+            },
+            "Added" => new HighlightingColor
+            {
+                Name = "Added",
+                Foreground = new SimpleHighlightingBrush("#6A9949".ToColor()), // Green for added lines
+            },
+            "Removed" => new HighlightingColor
+            {
+                Name = "Removed",
+                Foreground = new SimpleHighlightingBrush("#F44747".ToColor()), // Red for removed lines
+            },
+            "Context" => new HighlightingColor
+            {
+                Name = "Context",
+                Foreground = new SimpleHighlightingBrush("#D4D4D4".ToColor()), // Light gray for context
+            },
+            _ => null,
+        };
+    }
+
+    public override IEnumerable<HighlightingColor> NamedHighlightingColors =>
+    [
+        GetNamedColor("Header"),
+        GetNamedColor("Metadata"),
+        GetNamedColor("HunkHeader"),
+        GetNamedColor("Added"),
+        GetNamedColor("Removed"),
+        GetNamedColor("Context"),
+    ];
+
+    public override DocumentColorizingTransformer[] LineTransformers { get; } = [];
+}

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Themes/HighlightingDefinitions/Light/DiffHighlightingDefinition.cs

@@ -0,0 +1,124 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using ICSharpCode.AvalonEdit.Document;
+using ICSharpCode.AvalonEdit.Highlighting;
+using ICSharpCode.AvalonEdit.Rendering;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace QuickLook.Plugin.TextViewer.Themes.HighlightingDefinitions.Light;
+
+public class DiffHighlightingDefinition : LightHighlightingDefinition
+{
+    public override string Name => "Diff";
+
+    public override string Extension => ".diff";
+
+    public override HighlightingRuleSet MainRuleSet => new()
+    {
+        Rules =
+        {
+            // Diff header (diff --git, index, etc.)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^(diff --git|index|---|\+\+\+)", RegexOptions.Compiled),
+                Color = GetNamedColor("Header")
+            },
+            // File mode and other metadata
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^(new file mode|deleted file mode|old mode|new mode|similarity index|dissimilarity index|rename from|rename to|copy from|copy to)", RegexOptions.Compiled),
+                Color = GetNamedColor("Metadata")
+            },
+            // Hunk headers (@@ ... @@)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^@@.*@@$", RegexOptions.Compiled),
+                Color = GetNamedColor("HunkHeader")
+            },
+            // Added lines (+)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^\+.*$", RegexOptions.Compiled),
+                Color = GetNamedColor("Added")
+            },
+            // Removed lines (-)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^-.*$", RegexOptions.Compiled),
+                Color = GetNamedColor("Removed")
+            },
+            // Context lines (unchanged)
+            new HighlightingRule
+            {
+                Regex = new Regex(@"^ .*", RegexOptions.Compiled),
+                Color = GetNamedColor("Context")
+            }
+        }
+    };
+
+    public override HighlightingColor GetNamedColor(string name)
+    {
+        return name switch
+        {
+            "Header" => new HighlightingColor
+            {
+                Name = "Header",
+                Foreground = new SimpleHighlightingBrush("#2563EB".ToColor()), // Blue for headers
+            },
+            "Metadata" => new HighlightingColor
+            {
+                Name = "Metadata",
+                Foreground = new SimpleHighlightingBrush("#6B7280".ToColor()), // Gray for metadata
+            },
+            "HunkHeader" => new HighlightingColor
+            {
+                Name = "HunkHeader",
+                Foreground = new SimpleHighlightingBrush("#7C3AED".ToColor()), // Purple for hunk headers
+            },
+            "Added" => new HighlightingColor
+            {
+                Name = "Added",
+                Foreground = new SimpleHighlightingBrush("#15803D".ToColor()), // Green for added lines
+            },
+            "Removed" => new HighlightingColor
+            {
+                Name = "Removed",
+                Foreground = new SimpleHighlightingBrush("#DC2626".ToColor()), // Red for removed lines
+            },
+            "Context" => new HighlightingColor
+            {
+                Name = "Context",
+                Foreground = new SimpleHighlightingBrush("#374151".ToColor()), // Gray for context
+            },
+            _ => null,
+        };
+    }
+
+    public override IEnumerable<HighlightingColor> NamedHighlightingColors =>
+    [
+        GetNamedColor("Header"),
+        GetNamedColor("Metadata"),
+        GetNamedColor("HunkHeader"),
+        GetNamedColor("Added"),
+        GetNamedColor("Removed"),
+        GetNamedColor("Context"),
+    ];
+
+    public override DocumentColorizingTransformer[] LineTransformers { get; } = [];
+}

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Themes/HighlightingThemeManager.cs

@@ -187,8 +187,8 @@ public class HighlightingThemeManager
             {
                 Debug.WriteLine(file);
                 var ext = Path.GetFileNameWithoutExtension(file);
-                using Stream s = File.OpenRead(Path.GetFullPath(file));
-                using var reader = new XmlTextReader(s);
+                using var fileStream = new FileStream(Path.GetFullPath(file), FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
+                using var reader = new XmlTextReader(fileStream);
                 var xshd = HighlightingLoader.LoadXshd(reader);
                 var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
                 if (xshd.Extensions.Count > 0)

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Handler.cs

@@ -15,16 +15,9 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-using PureSharpCompress.Archives.Zip;
-using PureSharpCompress.Common;
-using PureSharpCompress.Readers;
-using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using System;
-using System.Diagnostics;
+using QuickLook.Plugin.ThumbnailViewer.Providors;
 using System.IO;
-using System.Windows;
-using System.Windows.Media.Imaging;
 
 namespace QuickLook.Plugin.ThumbnailViewer;
 
@@ -32,131 +25,33 @@ internal static class Handler
 {
     public static void Prepare(string path, ContextObject context)
     {
-        try
+        (Path.GetExtension(path).ToLower() switch
         {
-            using Stream imageData = ViewImage(path);
-            BitmapImage bitmap = imageData.ReadAsBitmapImage();
-            context.SetPreferredSizeFit(new Size(bitmap.PixelWidth, bitmap.PixelHeight), 0.8d);
-        }
-        catch (Exception ex)
-        {
-            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
-            context.PreferredSize = new Size { Width = 800, Height = 600 };
-        }
+            ".cdr" => new CdrProvider(),
+            ".fig" => new FigProvidor(),
+            ".kra" => new KraProvidor(),
+            ".pdn" => new PdnProvider(),
+            ".pip" or ".pix" => new PixProvidor(),
+            ".sketch" => new SketchProvidor(),
+            ".xd" => new XdProvidor(),
+            ".xmind" => new XmindProvidor(),
+            _ => (AbstractProvidor)null,
+        })?.Prepare(path, context);
     }
 
     public static Stream ViewImage(string path)
     {
-        try
+        return (Path.GetExtension(path).ToLower() switch
         {
-            using ZipArchive archive = ZipArchive.Open(path, new());
-            using IReader reader = archive.ExtractAllEntries();
-
-            if (path.EndsWith(".xd", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.Equals("preview.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                    else if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".fig", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".pip", StringComparison.OrdinalIgnoreCase) || path.EndsWith(".pix", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.EndsWith(".thumb.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".sketch", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.EndsWith("previews/preview.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".xmind", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.Equals("Thumbnails/thumbnail.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".kra", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.Contains("mergedimage"))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-            else if (path.EndsWith(".cdr", StringComparison.OrdinalIgnoreCase))
-            {
-                while (reader.MoveToNextEntry())
-                {
-                    if (reader.Entry.Key!.Equals("previews/thumbnail.png", StringComparison.OrdinalIgnoreCase))
-                    {
-                        MemoryStream ms = new();
-                        using EntryStream stream = reader.OpenEntryStream();
-                        stream.CopyTo(ms);
-                        return ms;
-                    }
-                }
-            }
-        }
-        catch (Exception ex)
-        {
-            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
-            ProcessHelper.WriteLog(ex.ToString());
-        }
-
-        return null;
+            ".cdr" => new CdrProvider(),
+            ".fig" => new FigProvidor(),
+            ".kra" => new KraProvidor(),
+            ".pdn" => new PdnProvider(),
+            ".pip" or ".pix" => new PixProvidor(),
+            ".sketch" => new SketchProvidor(),
+            ".xd" => new XdProvidor(),
+            ".xmind" => new XmindProvidor(),
+            _ => (AbstractProvidor)null,
+        })?.ViewImage(path);
     }
 }

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Plugin.cs

@@ -34,6 +34,7 @@ public class Plugin : IViewer
         ".cdr", // CorelDraw
         ".fig", // Figma
         ".kra", // Krita
+        ".pdn", // Paint.NET
         ".pip", ".pix", // Pixso
         ".sketch", // Sketch
         ".xd", // AdobeXD

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/AbstractProvidor.cs

@@ -0,0 +1,45 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Plugin;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Windows;
+using System.Windows.Media.Imaging;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal abstract class AbstractProvidor
+{
+    public virtual void Prepare(string path, ContextObject context)
+    {
+        try
+        {
+            using Stream imageData = ViewImage(path);
+            BitmapImage bitmap = imageData.ReadAsBitmapImage();
+            context.SetPreferredSizeFit(new Size(bitmap.PixelWidth, bitmap.PixelHeight), 0.8d);
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            context.PreferredSize = new Size { Width = 800, Height = 600 };
+        }
+    }
+
+    public abstract Stream ViewImage(string path);
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/CdrProvider.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class CdrProvider : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Equals("previews/thumbnail.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/FigProvidor.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class FigProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/KraProvidor.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class KraProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Contains("mergedimage"))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/PdnProvider.cs

@@ -0,0 +1,73 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Helpers;
+using System;
+using System.IO;
+using System.Text;
+using System.Xml.Linq;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class PdnProvider : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using TextReader reader = new StreamReader(path, Encoding.UTF8);
+            string line = reader.ReadLine();
+
+            if (!line.StartsWith("PDN"))
+                return null;
+
+            int indexOfStart = line.IndexOf("<");
+            int indexOfEnd = line.LastIndexOf(">");
+
+            if (indexOfStart < 0 || indexOfEnd < 0)
+                return null;
+
+            string xml = line.Substring(indexOfStart, indexOfEnd - indexOfStart + 1);
+
+            // <pdnImage>
+            //   <custom>
+            //     <thumb png="..." />
+            //   </custom>
+            // </pdnImage>
+            XDocument doc = XDocument.Parse(xml);
+            var pngBase64 = doc.Root
+                ?.Element("custom")
+                ?.Element("thumb")
+                ?.Attribute("png")
+                ?.Value;
+
+            if (pngBase64 != null)
+            {
+                byte[] imageBytes = Convert.FromBase64String(pngBase64);
+                MemoryStream ms = new(imageBytes);
+                return ms;
+            }
+
+            return null;
+        }
+        catch (Exception e)
+        {
+            ProcessHelper.WriteLog(e.ToString());
+            return null;
+        }
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/PixProvidor.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class PixProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.EndsWith(".thumb.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/SketchProvidor.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class SketchProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.EndsWith("previews/preview.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/XdProvidor.cs

@@ -0,0 +1,63 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class XdProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Equals("preview.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+                else if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Providors/XmindProvidor.cs

@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using QuickLook.Common.Helpers;
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer.Providors;
+
+internal class XmindProvidor : AbstractProvidor
+{
+    public override Stream ViewImage(string path)
+    {
+        try
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Equals("Thumbnails/thumbnail.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
+            ProcessHelper.WriteLog(ex.ToString());
+        }
+
+        return null;
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj

@@ -41,7 +41,7 @@
         <PackageReference Include="MediaInfo.Wrapper" Version="21.9.3">
             <Aliases>MediaInfoWrapper</Aliases>
         </PackageReference>
-        <PackageReference Include="MediaInfoDLL" Version="25.4.0">
+        <PackageReference Include="MediaInfoDLL" Version="25.7.0">
             <Aliases>MediaInfoDLL</Aliases>
         </PackageReference>
         <Reference Include="WindowsBase" />
@@ -187,17 +187,17 @@
             <DestinationFolder>$(OutDir)\LAVFilters-x86\</DestinationFolder>
             <Link>LAVFilters-x86\swscale-lav-8.dll</Link>
         </Content>
-        <Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.4.0\lib\netstandard2.0\x64\MediaInfo.dll">
+        <Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.7.0\lib\netstandard2.0\x64\MediaInfo.dll">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
             <DestinationFolder>$(OutDir)MediaInfo-x64\</DestinationFolder>
             <Link>MediaInfo-x64\MediaInfo.dll</Link>
         </Content>
-        <Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.4.0\lib\netstandard2.0\x86\MediaInfo.dll">
+        <Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.7.0\lib\netstandard2.0\x86\MediaInfo.dll">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
             <DestinationFolder>$(OutDir)MediaInfo-x86\</DestinationFolder>
             <Link>MediaInfo-x86\MediaInfo.dll</Link>
         </Content>
-        <!--<Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.4.0\lib\netstandard2.0\arm64\MediaInfo.dll">
+        <!--<Content Include="$(NuGetPackageRoot)\MediaInfoDLL\25.7.0\lib\netstandard2.0\arm64\MediaInfo.dll">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
             <DestinationFolder>$(OutDir)MediaInfo-ARM64\</DestinationFolder>
             <Link>MediaInfo-ARM64\MediaInfo.dll</Link>

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/RegFileParser.cs

@@ -8,16 +8,16 @@ using System.Xml.Serialization;
 namespace RegFileParser;
 
 /// <summary>
-///     The main reg file parsing class.
-///     Reads the given reg file and stores the content as
-///     a Dictionary of registry keys and values as a Dictionary of registry values <see cref="RegValueObject" />
+/// The main reg file parsing class.
+/// Reads the given reg file and stores the content as
+/// a Dictionary of registry keys and values as a Dictionary of registry values <see cref="RegValueObject" />
 /// </summary>
 public class RegFileObject
 {
     #region Public Properties
 
     /// <summary>
-    ///     Gets the dictionary containing all entries
+    /// Gets the dictionary containing all entries
     /// </summary>
     public Dictionary<string, Dictionary<string, RegValueObject>> RegValues => regvalues;
 
@@ -26,12 +26,12 @@ public class RegFileObject
     #region Private Fields
 
     /// <summary>
-    ///     Raw content of the reg file
+    /// Raw content of the reg file
     /// </summary>
     private string content;
 
     /// <summary>
-    ///     the dictionary containing parsed registry values
+    /// the dictionary containing parsed registry values
     /// </summary>
     private readonly Dictionary<string, Dictionary<string, RegValueObject>> regvalues;
 
@@ -61,7 +61,7 @@ public class RegFileObject
     #region Private Methods
 
     /// <summary>
-    ///     Imports the reg file
+    /// Imports the reg file
     /// </summary>
     public void Read(string path)
     {
@@ -70,7 +70,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Imports the reg file
+    /// Imports the reg file
     /// </summary>
     public void Read(byte[] bytes)
     {
@@ -109,7 +109,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Parses the reg file for reg keys and reg values
+    /// Parses the reg file for reg keys and reg values
     /// </summary>
     /// <returns>A Dictionary with reg keys as Dictionary keys and a Dictionary of (valuename, valuedata)</returns>
     private Dictionary<string, Dictionary<string, string>> ParseFile()
@@ -141,7 +141,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Creates a flat Dictionary using given searcn pattern
+    /// Creates a flat Dictionary using given searcn pattern
     /// </summary>
     /// <param name="content">The content string to be parsed</param>
     /// <returns>A Dictionary with retrieved keys and remaining content</returns>
@@ -202,7 +202,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Creates a flat Dictionary using given searcn pattern
+    /// Creates a flat Dictionary using given searcn pattern
     /// </summary>
     /// <param name="content">The content string to be parsed</param>
     /// <returns>A Dictionary with retrieved keys and remaining content</returns>
@@ -254,7 +254,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Removes the leading and ending characters from the given string
+    /// Removes the leading and ending characters from the given string
     /// </summary>
     /// <param name="sLine">given string</param>
     /// <returns>edited string</returns>
@@ -268,7 +268,7 @@ public class RegFileObject
     }
 
     /// <summary>
-    ///     Removes the leading and ending parenthesis from the given string
+    /// Removes the leading and ending parenthesis from the given string
     /// </summary>
     /// <param name="sLine">given string</param>
     /// <returns>edited string</returns>
@@ -294,7 +294,7 @@ public class RegValueObject
     private string value;
 
     /// <summary>
-    ///     Parameterless constructor
+    /// Parameterless constructor
     /// </summary>
     public RegValueObject()
     {
@@ -307,7 +307,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Overloaded constructor
+    /// Overloaded constructor
     /// </summary>
     /// <param name="propertyString">A line from the [Registry] section of the *.sig signature file</param>
     public RegValueObject(string regKeyName, string regValueName, string regValueData, string encoding)
@@ -326,7 +326,7 @@ public class RegValueObject
     #region Public Methods
 
     /// <summary>
-    ///     Overriden Method
+    /// Overriden Method
     /// </summary>
     /// <returns>An entry for the [Registry] section of the *.sig signature file</returns>
     public override string ToString()
@@ -339,7 +339,7 @@ public class RegValueObject
     #region Public Properties
 
     /// <summary>
-    ///     Regsitry value name
+    /// Regsitry value name
     /// </summary>
     [XmlElement("entry", typeof(string))]
     public string Entry
@@ -349,7 +349,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Registry value parent key
+    /// Registry value parent key
     /// </summary>
     [XmlElement("key", typeof(string))]
     public string ParentKey
@@ -364,7 +364,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Registry value root hive
+    /// Registry value root hive
     /// </summary>
     [XmlElement("root", typeof(string))]
     public string Root
@@ -374,7 +374,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Registry value type
+    /// Registry value type
     /// </summary>
     [XmlElement("type", typeof(string))]
     public string Type
@@ -384,7 +384,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Registry value data
+    /// Registry value data
     /// </summary>
     [XmlElement("value", typeof(string))]
     public string Value
@@ -447,7 +447,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Retrieves the reg value type, parsing the prefix of the value
+    /// Retrieves the reg value type, parsing the prefix of the value
     /// </summary>
     /// <param name="sTextLine">Registry value row string</param>
     /// <returns>Value</returns>
@@ -546,7 +546,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Removes the leading and ending characters from the given string
+    /// Removes the leading and ending characters from the given string
     /// </summary>
     /// <param name="sline">given string</param>
     /// <returns>edited string</returns>
@@ -560,7 +560,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Removes the leading and ending parenthesis from the given string
+    /// Removes the leading and ending parenthesis from the given string
     /// </summary>
     /// <param name="sline">given string</param>
     /// <returns>edited string</returns>
@@ -573,7 +573,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Removes the ending backslashes from the given string
+    /// Removes the ending backslashes from the given string
     /// </summary>
     /// <param name="sline">given string</param>
     /// <returns>edited string</returns>
@@ -585,7 +585,7 @@ public class RegValueObject
     }
 
     /// <summary>
-    ///     Converts the byte arrays (saved as array of string) into string
+    /// Converts the byte arrays (saved as array of string) into string
     /// </summary>
     /// <param name="stringArray">Array of string</param>
     /// <returns>String value</returns>

QuickLook.sln

@@ -56,6 +56,7 @@ Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "QuickLook.Installer", "Quic
 		{63C00175-0FF3-42C7-8621-2F1959F26064} = {63C00175-0FF3-42C7-8621-2F1959F26064}
 		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F} = {B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}
 		{311E6E78-3A5B-4E51-802A-5755BD5F9F97} = {311E6E78-3A5B-4E51-802A-5755BD5F9F97}
+		{B0054A16-472E-44AC-BA40-349303E524FF} = {B0054A16-472E-44AC-BA40-349303E524FF}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "QuickLook.Native64", "QuickLook.Native\QuickLook.Native64\QuickLook.Native64.vcxproj", "{794E4DCF-F715-4836-9D30-ABD296586D23}"
@@ -86,6 +87,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.ThumbnailV
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.HelixViewer", "QuickLook.Plugin\QuickLook.Plugin.HelixViewer\QuickLook.Plugin.HelixViewer.csproj", "{311E6E78-3A5B-4E51-802A-5755BD5F9F97}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.MediaInfoViewer", "QuickLook.Plugin\QuickLook.Plugin.MediaInfoViewer\QuickLook.Plugin.MediaInfoViewer.csproj", "{B0054A16-472E-44AC-BA40-349303E524FF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -278,6 +281,14 @@ Global
 		{311E6E78-3A5B-4E51-802A-5755BD5F9F97}.Release|Any CPU.Build.0 = Release|Any CPU
 		{311E6E78-3A5B-4E51-802A-5755BD5F9F97}.Release|x64.ActiveCfg = Release|Any CPU
 		{311E6E78-3A5B-4E51-802A-5755BD5F9F97}.Release|x64.Build.0 = Release|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Debug|x64.Build.0 = Debug|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Release|x64.ActiveCfg = Release|Any CPU
+		{B0054A16-472E-44AC-BA40-349303E524FF}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -303,6 +314,7 @@ Global
 		{63C00175-0FF3-42C7-8621-2F1959F26064} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{311E6E78-3A5B-4E51-802A-5755BD5F9F97} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
+		{B0054A16-472E-44AC-BA40-349303E524FF} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {D3761C32-8C5F-498A-892B-3B0882994B62}

QuickLook/App.xaml.cs

@@ -117,22 +117,8 @@ public partial class App : Application
         // Exception handling events which are not caught in the Task thread
         TaskScheduler.UnobservedTaskException += (_, e) =>
         {
-            try
-            {
-                ProcessHelper.WriteLog(e.Exception.ToString());
-                Current?.Dispatcher?.BeginInvoke(() =>
-                {
-                    Wpf.Ui.Violeta.Controls.ExceptionReport.Show(e.Exception);
-                });
-            }
-            catch (Exception ex)
-            {
-                ProcessHelper.WriteLog(ex.ToString());
-            }
-            finally
-            {
-                e.SetObserved();
-            }
+            ProcessHelper.WriteLog(e.Exception.ToString());
+            e.SetObserved();
         };
 
         // Exception handling events which are not caught in UI thread
@@ -210,9 +196,9 @@ public partial class App : Application
             }
         };
 
-        // Initialize MessageBox patching
-        bool modernMessageBox = SettingHelper.Get("ModernMessageBox", true, "QuickLook");
-        if (modernMessageBox) MessageBoxPatcher.Initialize();
+        // We should improve the performance of the CLI application
+        // Therefore, the time-consuming initialization code can't be placed before `OnStartup`
+        base.OnStartup(e);
 
         // Set initial theme based on system settings
         ThemeManager.Apply(OSThemeHelper.AppsUseDarkTheme() ? ApplicationTheme.Dark : ApplicationTheme.Light);
@@ -220,17 +206,15 @@ public partial class App : Application
             ThemeManager.Apply(OSThemeHelper.AppsUseDarkTheme() ? ApplicationTheme.Dark : ApplicationTheme.Light);
         UxTheme.ApplyPreferredAppMode();
 
-        // Initialize TrayIcon
-        _ = TrayIconManager.GetInstance();
-
-        base.OnStartup(e);
+        // Initialize MessageBox patching
+        MessageBoxPatcher.Initialize();
     }
 
     private void Application_Startup(object sender, StartupEventArgs e)
     {
         if (!EnsureOSVersion()
-            || !EnsureFirstInstance(e.Args)
-            || !EnsureFolderWritable(SettingHelper.LocalDataPath))
+         || !EnsureFirstInstance(e.Args)
+         || !EnsureFolderWritable(SettingHelper.LocalDataPath))
         {
             _cleanExit = false;
             Shutdown();
@@ -325,8 +309,10 @@ public partial class App : Application
         }
         // Second instance: duplicate
         else
+        {
             MessageBox.Show(TranslationHelper.Get("APP_SECOND_TEXT"), TranslationHelper.Get("APP_SECOND"),
                 MessageBoxButton.OK, MessageBoxImage.Information);
+        }
 
         return false;
     }

QuickLook/Controls/BusyDecorator/BackgroundVisualHost.cs

@@ -81,8 +81,7 @@ public class BackgroundVisualHost : FrameworkElement
         private readonly CreateContentFunction _createContent;
         private readonly Action _invalidateMeasure;
 
-        private readonly AutoResetEvent _sync =
-            new AutoResetEvent(false);
+        private readonly AutoResetEvent _sync = new(false);
 
         public ThreadedVisualHelper(
             CreateContentFunction createContent,
@@ -125,17 +124,11 @@ public class BackgroundVisualHost : FrameworkElement
         }
     }
 
-    #region Private Fields
-
     public ThreadedVisualHelper ThreadedHelper;
     private HostVisual _hostVisual;
 
-    #endregion Private Fields
-
-    #region IsContentShowingProperty
-
     /// <summary>
-    ///     Identifies the IsContentShowing dependency property.
+    /// Identifies the IsContentShowing dependency property.
     /// </summary>
     public static readonly DependencyProperty IsContentShowingProperty = DependencyProperty.Register(
         "IsContentShowing",
@@ -144,7 +137,7 @@ public class BackgroundVisualHost : FrameworkElement
         new FrameworkPropertyMetadata(false, OnIsContentShowingChanged));
 
     /// <summary>
-    ///     Gets or sets if the content is being displayed.
+    /// Gets or sets if the content is being displayed.
     /// </summary>
     public bool IsContentShowing
     {
@@ -163,12 +156,8 @@ public class BackgroundVisualHost : FrameworkElement
                 bvh.HideContentHelper();
     }
 
-    #endregion IsContentShowingProperty
-
-    #region CreateContent Property
-
     /// <summary>
-    ///     Identifies the CreateContent dependency property.
+    /// Identifies the CreateContent dependency property.
     /// </summary>
     public static readonly DependencyProperty CreateContentProperty = DependencyProperty.Register(
         "CreateContent",
@@ -177,7 +166,7 @@ public class BackgroundVisualHost : FrameworkElement
         new FrameworkPropertyMetadata(OnCreateContentChanged));
 
     /// <summary>
-    ///     Gets or sets the function used to create the visual to display in a background thread.
+    /// Gets or sets the function used to create the visual to display in a background thread.
     /// </summary>
     public CreateContentFunction CreateContent
     {
@@ -196,6 +185,4 @@ public class BackgroundVisualHost : FrameworkElement
                 bvh.CreateContentHelper();
         }
     }
-
-    #endregion CreateContent Property
 }

QuickLook/Controls/BusyDecorator/BusyDecorator.cs

@@ -135,7 +135,7 @@ public class BusyDecorator : Decorator, IDisposable
     #region IsBusyIndicatorShowing Property
 
     /// <summary>
-    ///     Identifies the IsBusyIndicatorShowing dependency property.
+    /// Identifies the IsBusyIndicatorShowing dependency property.
     /// </summary>
     public static readonly DependencyProperty IsBusyIndicatorShowingProperty = DependencyProperty.Register(
         "IsBusyIndicatorShowing",
@@ -146,7 +146,7 @@ public class BusyDecorator : Decorator, IDisposable
             OnIsBusyIndicatorShowingChanged));
 
     /// <summary>
-    ///     Gets or sets if the BusyIndicator is being shown.
+    /// Gets or sets if the BusyIndicator is being shown.
     /// </summary>
     public bool IsBusyIndicatorShowing
     {
@@ -178,7 +178,7 @@ public class BusyDecorator : Decorator, IDisposable
     #region BusyStyle
 
     /// <summary>
-    ///     Identifies the <see cref="BusyStyle" /> property.
+    /// Identifies the <see cref="BusyStyle" /> property.
     /// </summary>
     public static readonly DependencyProperty BusyStyleProperty =
         DependencyProperty.Register(
@@ -188,7 +188,7 @@ public class BusyDecorator : Decorator, IDisposable
             new FrameworkPropertyMetadata(OnBusyStyleChanged));
 
     /// <summary>
-    ///     Gets or sets the Style to apply to the Control that is displayed as the busy indication.
+    /// Gets or sets the Style to apply to the Control that is displayed as the busy indication.
     /// </summary>
     public Style BusyStyle
     {
@@ -208,7 +208,7 @@ public class BusyDecorator : Decorator, IDisposable
     #region BusyHorizontalAlignment
 
     /// <summary>
-    ///     Identifies the <see cref="BusyHorizontalAlignment" /> property.
+    /// Identifies the <see cref="BusyHorizontalAlignment" /> property.
     /// </summary>
     public static readonly DependencyProperty BusyHorizontalAlignmentProperty = DependencyProperty.Register(
         "BusyHorizontalAlignment",
@@ -217,7 +217,7 @@ public class BusyDecorator : Decorator, IDisposable
         new FrameworkPropertyMetadata(HorizontalAlignment.Center));
 
     /// <summary>
-    ///     Gets or sets the HorizontalAlignment to use to layout the control that contains the busy indicator control.
+    /// Gets or sets the HorizontalAlignment to use to layout the control that contains the busy indicator control.
     /// </summary>
     public HorizontalAlignment BusyHorizontalAlignment
     {
@@ -230,7 +230,7 @@ public class BusyDecorator : Decorator, IDisposable
     #region BusyVerticalAlignment
 
     /// <summary>
-    ///     Identifies the <see cref="BusyVerticalAlignment" /> property.
+    /// Identifies the <see cref="BusyVerticalAlignment" /> property.
     /// </summary>
     public static readonly DependencyProperty BusyVerticalAlignmentProperty = DependencyProperty.Register(
         "BusyVerticalAlignment",
@@ -239,7 +239,7 @@ public class BusyDecorator : Decorator, IDisposable
         new FrameworkPropertyMetadata(VerticalAlignment.Center));
 
     /// <summary>
-    ///     Gets or sets the the VerticalAlignment to use to layout the control that contains the busy indicator.
+    /// Gets or sets the the VerticalAlignment to use to layout the control that contains the busy indicator.
     /// </summary>
     public VerticalAlignment BusyVerticalAlignment
     {

QuickLook/Controls/BusyDecorator/ControlExtensions.cs

@@ -24,17 +24,17 @@ using System.Windows.Media.Animation;
 namespace QuickLook.Controls.BusyDecorator;
 
 /// <summary>
-///     Control extensions
+/// Control extensions
 /// </summary>
 internal static class ControlExtensions
 {
     /// <summary>
-    ///     The key used for storing the spinner Storyboard.
+    /// The key used for storing the spinner Storyboard.
     /// </summary>
     private static readonly string SpinnerStoryBoardName = $"{typeof(FrameworkElement).Name}Spinner";
 
     /// <summary>
-    ///     Start the spinning animation
+    /// Start the spinning animation
     /// </summary>
     /// <typeparam name="T">FrameworkElement and ISpinable</typeparam>
     /// <param name="control">Control to apply the rotation </param>
@@ -78,7 +78,7 @@ internal static class ControlExtensions
     }
 
     /// <summary>
-    ///     Stop the spinning animation
+    /// Stop the spinning animation
     /// </summary>
     /// <typeparam name="T">FrameworkElement and ISpinable</typeparam>
     /// <param name="control">Control to stop the rotation.</param>

QuickLook/Controls/BusyDecorator/ISpinable.cs

@@ -18,17 +18,17 @@
 namespace QuickLook.Controls.BusyDecorator;
 
 /// <summary>
-///     Represents a spinable control
+/// Represents a spinable control
 /// </summary>
 internal interface ISpinable
 {
     /// <summary>
-    ///     Gets or sets the current spin (angle) animation of the icon.
+    /// Gets or sets the current spin (angle) animation of the icon.
     /// </summary>
     public bool Spin { get; set; }
 
     /// <summary>
-    ///     Gets or sets the duration of the spinning animation (in seconds). This will stop and start the spin animation.
+    /// Gets or sets the duration of the spinning animation (in seconds). This will stop and start the spin animation.
     /// </summary>
     public double SpinDuration { get; set; }
 }

QuickLook/Controls/BusyDecorator/SpinIcon.cs

@@ -25,7 +25,7 @@ internal class SpinIcon : TextBlock, ISpinable
     #region public bool Spin
 
     /// <summary>
-    ///     Identifies the Spin dependency property.
+    /// Identifies the Spin dependency property.
     /// </summary>
     public static DependencyProperty SpinProperty =
         DependencyProperty.Register("Spin", typeof(bool), typeof(SpinIcon),
@@ -44,7 +44,7 @@ internal class SpinIcon : TextBlock, ISpinable
     }
 
     /// <summary>
-    ///     Gets or sets the current spin (angle) animation of the icon.
+    /// Gets or sets the current spin (angle) animation of the icon.
     /// </summary>
     public bool Spin
     {
@@ -58,7 +58,7 @@ internal class SpinIcon : TextBlock, ISpinable
     #region public double SpinDuration
 
     /// <summary>
-    ///     Identifies the SpinDuration dependency property.
+    /// Identifies the SpinDuration dependency property.
     /// </summary>
     public static DependencyProperty SpinDurationProperty =
         DependencyProperty.Register("SpinDuration", typeof(double), typeof(SpinIcon),
@@ -76,7 +76,7 @@ internal class SpinIcon : TextBlock, ISpinable
     }
 
     /// <summary>
-    ///     Gets or sets the duration of the spinning animation (in seconds). This will stop and start the spin animation.
+    /// Gets or sets the duration of the spinning animation (in seconds). This will stop and start the spin animation.
     /// </summary>
     public double SpinDuration
     {

QuickLook/Controls/GlassLayer/GlassLayer.xaml.cs

@@ -43,7 +43,7 @@ public partial class GlassLayer : UserControl
     #region public Visual BlurredElement
 
     /// <summary>
-    ///     Identifies the BlurredElement dependency property.
+    /// Identifies the BlurredElement dependency property.
     /// </summary>
     public static DependencyProperty BlurredElementProperty =
         DependencyProperty.Register("BlurredElement", typeof(Visual), typeof(GlassLayer), null);
@@ -62,7 +62,7 @@ public partial class GlassLayer : UserControl
     #region public SolidColorBrush OverlayColor
 
     /// <summary>
-    ///     Identifies the OverlayColor dependency property.
+    /// Identifies the OverlayColor dependency property.
     /// </summary>
     public static DependencyProperty OverlayColorProperty =
         DependencyProperty.Register("OverlayColor", typeof(SolidColorBrush), typeof(GlassLayer),
@@ -82,7 +82,7 @@ public partial class GlassLayer : UserControl
     #region public Visibility ColorOverlayVisibility
 
     /// <summary>
-    ///     Identifies the ColorOverlayVisibilityProperty dependency property.
+    /// Identifies the ColorOverlayVisibilityProperty dependency property.
     /// </summary>
     public static DependencyProperty ColorOverlayVisibilityProperty =
         DependencyProperty.Register("ColorOverlayVisibility", typeof(Visibility), typeof(GlassLayer),
@@ -100,7 +100,7 @@ public partial class GlassLayer : UserControl
     #region public Visibility NoiseVisibility
 
     /// <summary>
-    ///     Identifies the NoiseVisibility dependency property.
+    /// Identifies the NoiseVisibility dependency property.
     /// </summary>
     public static DependencyProperty NoiseVisibilityProperty =
         DependencyProperty.Register("NoiseVisibility", typeof(Visibility), typeof(GlassLayer),
@@ -120,7 +120,7 @@ public partial class GlassLayer : UserControl
     #region public Visibility GlassVisibility
 
     /// <summary>
-    ///     Identifies the GlassVisibility dependency property.
+    /// Identifies the GlassVisibility dependency property.
     /// </summary>
     public static DependencyProperty GlassVisibilityProperty =
         DependencyProperty.Register("GlassVisibility", typeof(Visibility), typeof(GlassLayer),

QuickLook/Controls/LeftContextMenu/LeftContextMenuBehavior.cs

@@ -0,0 +1,88 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using Microsoft.Xaml.Behaviors;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+
+namespace QuickLook.Controls;
+
+public sealed class LeftContextMenuBehavior : Behavior<FrameworkElement>
+{
+    public Point? PlacementOffset { get; set; } = null;
+    public PlacementMode Placement { get; set; } = PlacementMode.Bottom;
+
+    public double? PlacementOffsetX
+    {
+        get => PlacementOffset?.X;
+        set => PlacementOffset = value != null ? new(value ?? 0d, PlacementOffset?.Y ?? 0d) : null;
+    }
+
+    public double? PlacementOffsetY
+    {
+        get => PlacementOffset?.Y;
+        set => PlacementOffset = value != null ? new(PlacementOffset?.X ?? 0d, value ?? 0d) : null;
+    }
+
+    public LeftContextMenuBehavior()
+    {
+    }
+
+    protected override void OnAttached()
+    {
+        base.OnAttached();
+        Register(AssociatedObject, PlacementOffset, Placement);
+    }
+
+    protected override void OnDetaching()
+    {
+        base.OnDetaching();
+        Unregister(AssociatedObject);
+    }
+
+    public static void Register(FrameworkElement frameworkElement, Point? placementOffset = null, PlacementMode placement = PlacementMode.Bottom)
+    {
+        if (frameworkElement?.ContextMenu == null)
+        {
+            return;
+        }
+        frameworkElement.PreviewMouseRightButtonUp += (_, e) => e.Handled = true;
+        frameworkElement.MouseRightButtonUp += (_, e) => e.Handled = true;
+        frameworkElement.PreviewMouseLeftButtonDown += (_, _) =>
+        {
+            ContextMenu contextMenu = frameworkElement.ContextMenu;
+
+            if (contextMenu != null)
+            {
+                if (contextMenu.PlacementTarget != frameworkElement)
+                {
+                    contextMenu.PlacementTarget = frameworkElement;
+                    contextMenu.PlacementRectangle = new Rect(placementOffset ?? new Point(), new Size(frameworkElement.ActualWidth, frameworkElement.ActualHeight));
+                    contextMenu.Placement = placement;
+                    contextMenu.StaysOpen = false;
+                }
+                contextMenu.IsOpen = !contextMenu.IsOpen;
+            }
+        };
+    }
+
+    public static void Unregister(FrameworkElement frameworkElement)
+    {
+        _ = frameworkElement;
+    }
+}

QuickLook/GlobalUsing.cs

@@ -0,0 +1 @@
+global using MessageBox = Wpf.Ui.Violeta.Controls.MessageBox;

QuickLook/NativeMethods/ShellLink.cs

@@ -33,8 +33,8 @@ internal enum SLGP_FLAGS
     SLGP_UNCPRIORITY = 0x2,
 
     /// <summary>
-    ///     Retrieves the raw path name. A raw path is something that might not exist and may include environment
-    ///     variables that need to be expanded
+    /// Retrieves the raw path name. A raw path is something that might not exist and may include environment
+    /// variables that need to be expanded
     /// </summary>
     SLGP_RAWPATH = 0x4
 }
@@ -62,13 +62,13 @@ internal struct WIN32_FIND_DATAW
 internal enum SLR_FLAGS
 {
     /// <summary>
-    ///     Do not display a dialog box if the link cannot be resolved. When SLR_NO_UI is set,
-    ///     the high-order word of fFlags can be set to a time-out value that specifies the
-    ///     maximum amount of time to be spent resolving the link. The function returns if the
-    ///     link cannot be resolved within the time-out duration. If the high-order word is set
-    ///     to zero, the time-out duration will be set to the default value of 3,000 milliseconds
-    ///     (3 seconds). To specify a value, set the high word of fFlags to the desired time-out
-    ///     duration, in milliseconds.
+    /// Do not display a dialog box if the link cannot be resolved. When SLR_NO_UI is set,
+    /// the high-order word of fFlags can be set to a time-out value that specifies the
+    /// maximum amount of time to be spent resolving the link. The function returns if the
+    /// link cannot be resolved within the time-out duration. If the high-order word is set
+    /// to zero, the time-out duration will be set to the default value of 3,000 milliseconds
+    /// (3 seconds). To specify a value, set the high word of fFlags to the desired time-out
+    /// duration, in milliseconds.
     /// </summary>
     SLR_NO_UI = 0x1,
 
@@ -76,9 +76,9 @@ internal enum SLR_FLAGS
     SLR_ANY_MATCH = 0x2,
 
     /// <summary>
-    ///     If the link object has changed, update its path and list of identifiers.
-    ///     If SLR_UPDATE is set, you do not need to call IPersistFile::IsDirty to determine
-    ///     whether or not the link object has changed.
+    /// If the link object has changed, update its path and list of identifiers.
+    /// If SLR_UPDATE is set, you do not need to call IPersistFile::IsDirty to determine
+    /// whether or not the link object has changed.
     /// </summary>
     SLR_UPDATE = 0x4,
 
@@ -92,10 +92,10 @@ internal enum SLR_FLAGS
     SLR_NOTRACK = 0x20,
 
     /// <summary>
-    ///     Disable distributed link tracking. By default, distributed link tracking tracks
-    ///     removable media across multiple devices based on the volume name. It also uses the
-    ///     Universal Naming Convention (UNC) path to track remote file systems whose drive letter
-    ///     has changed. Setting SLR_NOLINKINFO disables both types of tracking.
+    /// Disable distributed link tracking. By default, distributed link tracking tracks
+    /// removable media across multiple devices based on the volume name. It also uses the
+    /// Universal Naming Convention (UNC) path to track remote file systems whose drive letter
+    /// has changed. Setting SLR_NOLINKINFO disables both types of tracking.
     /// </summary>
     SLR_NOLINKINFO = 0x40,
 

QuickLook/Translations.config

@@ -182,6 +182,7 @@
     <MW_Run>{0} ausführen</MW_Run>
     <MW_Share>Freigeben</MW_Share>
     <MW_Reload>Neu laden</MW_Reload>
+    <MW_More>Mehr</MW_More>
     <Icon_RunAtStartup>Beim Systemstart &amp;ausführen</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Nach &amp;Updates suchen</Icon_CheckUpdate>
@@ -216,6 +217,7 @@
     <MW_Run>Run {0}</MW_Run>
     <MW_Share>Share</MW_Share>
     <MW_Reload>Reload</MW_Reload>
+    <MW_More>More</MW_More>
     <Icon_RunAtStartup>Run at &amp;Startup</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Check for &amp;Updates...</Icon_CheckUpdate>
@@ -250,6 +252,7 @@
     <MW_Run>Iniciar {0}</MW_Run>
     <MW_Share>Compartir</MW_Share>
     <MW_Reload>Recargar</MW_Reload>
+    <MW_More>Más</MW_More>
     <Icon_RunAtStartup>Iniciar con el &amp;sistema</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Buscar &amp;Actualizaciones...</Icon_CheckUpdate>
@@ -279,6 +282,7 @@
     <MW_OpenWith>Ouvrir avec {0}</MW_OpenWith>
     <MW_Run>Exécuter {0}</MW_Run>
     <MW_Reload>Recharger</MW_Reload>
+    <MW_More>Plus</MW_More>
     <Icon_RunAtStartup>Exécuter au &amp;démarrage</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Vérifier s'il existe des &amp;mises à jour...</Icon_CheckUpdate>
@@ -308,6 +312,7 @@
     <MW_OpenWith>Apri con {0}</MW_OpenWith>
     <MW_Run>Esegui {0}</MW_Run>
     <MW_Reload>Ricarica</MW_Reload>
+    <MW_More>Altro</MW_More>
     <Icon_RunAtStartup>Esegui all'&amp;Avvio</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Verifica &amp;Aggiornamenti...</Icon_CheckUpdate>
@@ -340,6 +345,7 @@
     <MW_Run>{0} を起動</MW_Run>
     <MW_Share>シェア</MW_Share>
     <MW_Reload>再読み込み</MW_Reload>
+    <MW_More>その他</MW_More>
     <Icon_RunAtStartup>スタートアップ時に起動</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>更新を確認する... (&amp;U)</Icon_CheckUpdate>
@@ -418,12 +424,13 @@
     <MW_BrowseFolder>Przeglądaj {0}</MW_BrowseFolder>
     <MW_StayTop>Przypnij do ekranu</MW_StayTop>
     <MW_PreventClosing>Zablokuj zamykanie</MW_PreventClosing>
-    <MW_BrowseFolder>Przeglądaj {0}</MW_BrowseFolder>
     <MW_Open>Otwórz {0}</MW_Open>
     <MW_OpenWith>Otwórz w {0}</MW_OpenWith>
+    <MW_OpenWithMenu>Otwórz za pomocą...</MW_OpenWithMenu>
     <MW_Run>Uruchom {0}</MW_Run>
     <MW_Share>Udostępnij</MW_Share>
     <MW_Reload>Przeładuj</MW_Reload>
+    <MW_More>Więcej</MW_More>
     <Icon_RunAtStartup>Uruchamiaj automatycznie z systemem</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Sprawdź &amp;aktualizacje...</Icon_CheckUpdate>
@@ -441,6 +448,7 @@
     <InfoPanel_File>{0} plik</InfoPanel_File>
     <InfoPanel_Files>{0} plików</InfoPanel_Files>
     <InfoPanel_FolderAndFile>({0} i {1})</InfoPanel_FolderAndFile>
+    <InfoPanel_CantPreventClosing>Anulowanie dla funkcji blokady zamykania okna nie jest wspierane</InfoPanel_CantPreventClosing>
   </pl>
   <pt-BR>
     <UI_FontFamily>Segoe UI</UI_FontFamily>
@@ -457,6 +465,7 @@
     <MW_Run>Executar {0}</MW_Run>
     <MW_Share>Compartilhar</MW_Share>
     <MW_Reload>Recarregar</MW_Reload>
+    <MW_More>Mais</MW_More>
     <Icon_RunAtStartup>Executar na &amp;Inicialização</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Procurar por &amp;Atualizações...</Icon_CheckUpdate>
@@ -514,6 +523,7 @@
     <MW_PreventClosing>Закрепить</MW_PreventClosing>
     <MW_Share>Поделиться</MW_Share>
     <MW_Reload>Перезагрузить</MW_Reload>
+    <MW_More>Еще</MW_More>
     <Icon_RunAtStartup>Автозапуск</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Проверить &amp;обновления…</Icon_CheckUpdate>
@@ -574,6 +584,7 @@
     <MW_Run>Запустити {0}</MW_Run>
     <MW_Share>Поширити</MW_Share>
     <MW_Reload>Перезавантажити</MW_Reload>
+    <MW_More>Більше</MW_More>
     <Icon_RunAtStartup>Запускати під час &amp;старту</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>Перевірити наявність &amp;оновлення…</Icon_CheckUpdate>
@@ -633,6 +644,7 @@
     <MW_Run>运行 {0}</MW_Run>
     <MW_Share>分享</MW_Share>
     <MW_Reload>重新加载</MW_Reload>
+    <MW_More>更多</MW_More>
     <Icon_RunAtStartup>启动时自动运行 (&amp;S)</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>检查更新... (&amp;U)</Icon_CheckUpdate>
@@ -667,6 +679,7 @@
     <MW_Run>執行 {0}</MW_Run>
     <MW_Share>分享</MW_Share>
     <MW_Reload>重新載入</MW_Reload>
+    <MW_More>更多</MW_More>
     <Icon_RunAtStartup>系統啟動時自動執行 (&amp;S)</Icon_RunAtStartup>
     <Icon_ToolTip>QuickLook v{0}</Icon_ToolTip>
     <Icon_CheckUpdate>檢查更新... (&amp;U)</Icon_CheckUpdate>

QuickLook/TrayIconManager.cs

@@ -35,19 +35,7 @@ internal partial class TrayIconManager : IDisposable
 
     private readonly TrayIconHost _icon;
 
-    private readonly TrayMenuItem _itemAutorun =
-        new()
-        {
-            Header = TranslationHelper.Get("Icon_RunAtStartup"),
-            Command = new RelayCommand(() =>
-            {
-                if (AutoStartupHelper.IsAutorun())
-                    AutoStartupHelper.RemoveAutorunShortcut();
-                else
-                    AutoStartupHelper.CreateAutorunShortcut();
-            }),
-            IsEnabled = !App.IsUWP,
-        };
+    private readonly TrayMenuItem _itemAutorun = null!;
 
     private TrayIconManager()
     {
@@ -79,7 +67,18 @@ internal partial class TrayIconManager : IDisposable
                     Header = TranslationHelper.Get("Icon_OpenDataFolder"),
                     Command = new RelayCommand(() => Process.Start("explorer.exe", SettingHelper.LocalDataPath)),
                 },
-                _itemAutorun,
+                _itemAutorun = new TrayMenuItem()
+                {
+                    Header = TranslationHelper.Get("Icon_RunAtStartup"),
+                    Command = new RelayCommand(() =>
+                    {
+                        if (AutoStartupHelper.IsAutorun())
+                            AutoStartupHelper.RemoveAutorunShortcut();
+                        else
+                            AutoStartupHelper.CreateAutorunShortcut();
+                    }),
+                    IsEnabled = !App.IsUWP,
+                },
                 new TrayMenuItem()
                 {
                     Header = TranslationHelper.Get("Icon_Restart"),
@@ -94,7 +93,10 @@ internal partial class TrayIconManager : IDisposable
             IsVisible = SettingHelper.Get("ShowTrayIcon", true)
         };
 
-        _icon.RightDown += (sender, e) => { _itemAutorun.IsChecked = AutoStartupHelper.IsAutorun(); };
+        _icon.RightDown += (_, _) =>
+        {
+            _itemAutorun.IsChecked = AutoStartupHelper.IsAutorun();
+        };
     }
 
     public void Dispose()

QuickLook/ViewerWindow.Properties.cs

@@ -22,12 +22,13 @@ using System;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows;
+using System.Windows.Input;
 
 namespace QuickLook;
 
 public partial class ViewerWindow : INotifyPropertyChanged
 {
-    private readonly ResourceDictionary _darkDict = new ResourceDictionary
+    private readonly ResourceDictionary _darkDict = new()
     {
         Source = new Uri("pack://application:,,,/QuickLook.Common;component/Styles/MainWindowStyles.Dark.xaml")
     };
@@ -50,6 +51,8 @@ public partial class ViewerWindow : INotifyPropertyChanged
     public ContextObject ContextObject { get; private set; }
     public Themes CurrentTheme { get; private set; }
 
+    public ICommand CloseCommand { get; private set; }
+
     public event PropertyChangedEventHandler PropertyChanged;
 
     [NotifyPropertyChangedInvocator]

QuickLook/ViewerWindow.xaml

@@ -6,7 +6,10 @@
         xmlns:converters="clr-namespace:QuickLook.Converters"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:glassLayer="clr-namespace:QuickLook.Controls.GlassLayer"
+        xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
+        xmlns:vio="http://schemas.lepo.co/wpfui/2022/xaml/violeta"
         x:Name="mainWindow"
         Title="QuickLook"
         MinWidth="400"
@@ -122,15 +125,24 @@
                             DockPanel.Dock="Right"
                             Style="{StaticResource CaptionButtonStyle}"
                             ToolTip="Reload" />
-                    <!--<Button x:Name="buttonOpen" DockPanel.Dock="Right"
-                            Style="{StaticResource CaptionTextButtonStyle}"
-                            Visibility="{Binding ActualWidth, ElementName=windowCaptionContainer, Converter={StaticResource WidthToVisibilityCollapsedConverter}}">
-                        <Button.Content>
-                            <TextBlock x:Name="buttonOpenText" VerticalAlignment="Center">
-                                Open with <Bold>AppName</Bold>
-                            </TextBlock>
-                        </Button.Content>
-                    </Button>-->
+                    <Button x:Name="buttonMore"
+                            Content="&#xE712;"
+                            DockPanel.Dock="Right"
+                            Style="{StaticResource CaptionButtonStyle}"
+                            ToolTip="More">
+                        <Button.ContextMenu>
+                            <ContextMenu FontSize="12">
+                                <MenuItem Command="{Binding OpenSettingsFileFolderCommand}" Header="SettingsFile">
+                                    <MenuItem.Icon>
+                                        <ui:FontIcon FontFamily="{DynamicResource SymbolThemeFontFamily}" Glyph="{x:Static ui:FontSymbols.OpenLocal}" />
+                                    </MenuItem.Icon>
+                                </MenuItem>
+                            </ContextMenu>
+                        </Button.ContextMenu>
+                        <i:Interaction.Behaviors>
+                            <controls:LeftContextMenuBehavior />
+                        </i:Interaction.Behaviors>
+                    </Button>
                     <Button x:Name="buttonTop"
                             DockPanel.Dock="Left"
                             Tag="Auto"

QuickLook/ViewerWindow.xaml.cs

@@ -116,6 +116,7 @@ public partial class ViewerWindow : Window
         buttonOpenWith.ToolTip = TranslationHelper.Get("MW_OpenWithMenu");
         buttonShare.ToolTip = TranslationHelper.Get("MW_Share");
         buttonReload.ToolTip = TranslationHelper.Get("MW_Reload", failsafe: "Reload");
+        buttonMore.ToolTip = TranslationHelper.Get("MW_More", failsafe: "More");
     }
 
     public new void Close()