COM is really a nightmare... Use managed solution (SharpCompress) instead

MakeZip.bat

@@ -0,0 +1,2 @@
+bc a -r Debug_%date:~-4,4%%date:~-7,2%%date:~-10,2%.zip Build\Debug\*.exe Build\Debug\*.dll
+bc a -r Release_%date:~-4,4%%date:~-7,2%%date:~-10,2%.zip Build\Release\*.exe Build\Release\*.dll

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

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Windows.Controls;
-using SevenZip;
+using SharpCompress.Archives;
 
 namespace QuickLook.Plugin.ArchiveViewer
 {
@@ -65,23 +65,25 @@ namespace QuickLook.Plugin.ArchiveViewer
 
         private void LoadItemsFromArchive(string path)
         {
-            using (var reader = new SevenZipExtractor(path))
+            using (var stream = File.OpenRead(path))
             {
-                _totalZippedSize = (ulong) reader.PackedSize;
+                var archive = ArchiveFactory.Open(stream);
-                _solid = reader.IsSolid;
+
-                _type = reader.Format.ToString();
+                _totalZippedSize = (ulong) archive.TotalSize;
+                _solid = archive.IsSolid;
+                _type = archive.Type.ToString();
 
                 var root = new ArchiveFileEntry(Path.GetFileName(path), true);
                 _fileEntries.Add("", root);
 
-                foreach (var entry in reader.ArchiveFileData)
+                foreach (var entry in archive.Entries)
                     ProcessByLevel(entry);
             }
         }
 
-        private void ProcessByLevel(ArchiveFileInfo entry)
+        private void ProcessByLevel(IArchiveEntry entry)
         {
-            var pf = GetPathFragments(entry.FileName);
+            var pf = GetPathFragments(entry.Key);
 
             // process folders. When entry is a directory, all fragments are folders.
             pf.Take(entry.IsDirectory ? pf.Length : pf.Length - 1)
@@ -107,11 +109,11 @@ namespace QuickLook.Plugin.ArchiveViewer
                 ArchiveFileEntry parent;
                 _fileEntries.TryGetValue(GetDirectoryName(file), out parent);
 
-                _fileEntries.Add(file, new ArchiveFileEntry(Path.GetFileName(entry.FileName), false, parent)
+                _fileEntries.Add(file, new ArchiveFileEntry(Path.GetFileName(entry.Key), false, parent)
                 {
-                    Encrypted = entry.Encrypted,
+                    Encrypted = entry.IsEncrypted,
-                    Size = entry.Size,
+                    Size = (ulong) entry.Size,
-                    ModifiedDate = entry.LastWriteTime
+                    ModifiedDate = entry.LastModifiedTime ?? new DateTime()
                 });
             }
         }
@@ -125,7 +127,7 @@ namespace QuickLook.Plugin.ArchiveViewer
 
         private string[] GetPathFragments(string path)
         {
-            var frags = path.Split('\\');
+            var frags = path.Split('\\', '/').Where(f => !string.IsNullOrEmpty(f)).ToArray();
 
             return frags.Select((s, i) => frags.Take(i + 1).Aggregate((a, b) => a + "\\" + b)).ToArray();
         }

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Converters.cs

@@ -9,6 +9,9 @@ namespace QuickLook.Plugin.ArchiveViewer
     {
         public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
         {
+            if (values[0] == DependencyProperty.UnsetValue)
+                values[0] = 1;
+
             var level = (int) values[0];
             var indent = (double) values[1];
             return indent * level;

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

@@ -1,7 +1,7 @@
 using System;
 using System.IO;
 using System.Windows;
-using SevenZip;
+using SharpCompress.Archives;
 
 namespace QuickLook.Plugin.ArchiveViewer
 {
@@ -16,41 +16,26 @@ namespace QuickLook.Plugin.ArchiveViewer
             if (Directory.Exists(path))
                 return false;
 
-            try
+            using (var stream = File.OpenRead(path))
             {
-                using (var archive = new SevenZipExtractor(path))
+                try
                 {
-                    // dummy access to the data. If it throws exception, return false
+                    ArchiveFactory.Open(stream);
-                    if (archive.ArchiveFileData == null)
+                }
-                        return false;
+                catch (Exception)
-
+                {
-                    // ignore some formats
+                    return false;
-                    switch (archive.Format)
-                    {
-                        case InArchiveFormat.Chm:
-                        case InArchiveFormat.Flv:
-                        case InArchiveFormat.Elf:
-                        case InArchiveFormat.Msi:
-                        case InArchiveFormat.PE:
-                        case InArchiveFormat.Swf:
-                            return false;
-                    }
                 }
             }
-            catch (Exception)
-            {
-                return false;
-            }
-
             return true;
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             context.PreferredSize = new Size {Width = 800, Height = 600};
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             _panel = new ArchiveInfoPanel(path);
 

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj

@@ -34,9 +34,8 @@
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
-    <Reference Include="SevenZipSharp">
+    <Reference Include="SharpCompress, Version=0.15.2.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
-      <HintPath>References\SevenZipSharp.dll</HintPath>
+      <HintPath>..\..\packages\SharpCompress.0.15.2\lib\net45\SharpCompress.dll</HintPath>
-      <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -81,5 +80,8 @@
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<packages>
+  <package id="SharpCompress" version="0.15.2" targetFramework="net452" />
+</packages>

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

@@ -33,14 +33,14 @@ namespace QuickLook.Plugin.ImageViewer
             }
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             _imageSize = ImageFileHelper.GetImageSize(path);
 
             context.SetPreferredSizeFit(_imageSize, 0.8);
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             _ip = new ImagePanel(path);
 

QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PluginInterface.cs

@@ -31,12 +31,12 @@ namespace QuickLook.Plugin.OfficeViewer
             return false;
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             context.SetPreferredSizeFit(new Size {Width = 800, Height = 600}, 0.8);
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             using (var officeApp = new OfficeInteropWrapper(path))
             {

QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Plugin.cs

@@ -24,7 +24,7 @@ namespace QuickLook.Plugin.PDFViewer
             }
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             _pdfControl = new PdfViewerControl();
 
@@ -33,7 +33,7 @@ namespace QuickLook.Plugin.PDFViewer
             context.SetPreferredSizeFit(desiredSize, 0.8);
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             context.ViewerContent = _pdfControl;
 

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

@@ -40,12 +40,12 @@ namespace QuickLook.Plugin.TextViewer
             }
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             context.PreferredSize = new Size {Width = 800, Height = 600};
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             _tvp = new TextViewerPanel(path);
 

QuickLook/App.xaml.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using System.Reflection;
 using System.Windows;
 
@@ -11,6 +12,14 @@ namespace QuickLook
     {
         public static string AppPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
 
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            AppDomain.CurrentDomain.UnhandledException +=
+                (sender, args) => MessageBox.Show(((Exception) args.ExceptionObject).Message);
+
+            base.OnStartup(e);
+        }
+
         private void Application_Startup(object sender, StartupEventArgs e)
         {
             PluginManager.GetInstance();

QuickLook/MainWindow.xaml

@@ -23,7 +23,7 @@
                 <DockPanel.Style>
                     <Style TargetType="{x:Type DockPanel}">
                         <Style.Triggers>
-                            <DataTrigger Binding="{Binding ViewerObject.IsBusy, ElementName=mainWindow}" Value="False">
+                            <DataTrigger Binding="{Binding ContextObject.IsBusy, ElementName=mainWindow}" Value="False">
                                 <DataTrigger.EnterActions>
                                     <BeginStoryboard>
                                         <Storyboard>
@@ -43,7 +43,7 @@
                     <fa:ImageAwesome DockPanel.Dock="Right" x:Name="buttonCloseWindow" Icon="TimesCircle"
                                      Height="15" Margin="10,0" Foreground="Gray"
                                      Cursor="Hand" />
-                    <Label x:Name="titlebarTitleArea" Content="{Binding ViewerObject.Title, ElementName=mainWindow}"
+                    <Label x:Name="titlebarTitleArea" Content="{Binding ContextObject.Title, ElementName=mainWindow}"
                            FontSize="14" HorizontalContentAlignment="Center"
                            VerticalContentAlignment="Center" />
                 </DockPanel>
@@ -55,7 +55,7 @@
                 <Grid.Style>
                     <Style TargetType="{x:Type Grid}">
                         <Style.Triggers>
-                            <DataTrigger Binding="{Binding ViewerObject.IsBusy, ElementName=mainWindow}" Value="False">
+                            <DataTrigger Binding="{Binding ContextObject.IsBusy, ElementName=mainWindow}" Value="False">
                                 <DataTrigger.EnterActions>
                                     <BeginStoryboard>
                                         <Storyboard>

QuickLook/MainWindow.xaml.cs

@@ -16,7 +16,7 @@ namespace QuickLook
         internal MainWindow()
         {
             // this object should be initialized before loading UI components, because many of which are binding to it.
-            ViewerObject = new ViewerObject();
+            ContextObject = new ContextObject();
 
             InitializeComponent();
 
@@ -34,13 +34,13 @@ namespace QuickLook
             titlebarTitleArea.MouseLeftButtonDown += DragMoveCurrentWindow;
         }
 
-        public ViewerObject ViewerObject { get; }
+        public ContextObject ContextObject { get; }
 
         public void Dispose()
         {
             GC.SuppressFinalize(this);
 
-            ViewerObject?.Dispose();
+            ContextObject?.Dispose();
         }
 
         private void DragMoveCurrentWindow(object sender, MouseButtonEventArgs e)
@@ -63,12 +63,12 @@ namespace QuickLook
 
         private new void Show()
         {
-            Height = ViewerObject.PreferredSize.Height + titlebar.Height + windowBorder.BorderThickness.Top +
+            Height = ContextObject.PreferredSize.Height + titlebar.Height + windowBorder.BorderThickness.Top +
                      windowBorder.BorderThickness.Bottom;
-            Width = ViewerObject.PreferredSize.Width + windowBorder.BorderThickness.Left +
+            Width = ContextObject.PreferredSize.Width + windowBorder.BorderThickness.Left +
                     windowBorder.BorderThickness.Right;
 
-            ResizeMode = ViewerObject.CanResize ? ResizeMode.CanResizeWithGrip : ResizeMode.NoResize;
+            ResizeMode = ContextObject.CanResize ? ResizeMode.CanResizeWithGrip : ResizeMode.NoResize;
 
             base.Show();
 
@@ -77,15 +77,15 @@ namespace QuickLook
 
         internal void BeginShow(IViewer matchedPlugin, string path)
         {
-            ViewerObject.CurrentContentContainer = viewContentContainer;
+            ContextObject.CurrentContentContainer = viewContentContainer;
-            ViewerObject.ViewerPlugin = matchedPlugin;
+            ContextObject.ViewerPlugin = matchedPlugin;
 
             // get window size before showing it
-            matchedPlugin.BoundViewSize(path, ViewerObject);
+            matchedPlugin.BoundViewSize(path, ContextObject);
 
             Show();
 
-            matchedPlugin.View(path, ViewerObject);
+            matchedPlugin.View(path, ContextObject);
         }
 
         ~MainWindow()

QuickLook/Plugin/ContextObject.cs

@@ -9,7 +9,7 @@ namespace QuickLook.Plugin
     /// <summary>
     ///     A runtime object which allows interaction between this plugin and QuickLook.
     /// </summary>
-    public class ViewerObject : INotifyPropertyChanged, IDisposable
+    public class ContextObject : INotifyPropertyChanged, IDisposable
     {
         private bool _isBusy = true;
 
@@ -111,7 +111,7 @@ namespace QuickLook.Plugin
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
 
-        ~ViewerObject()
+        ~ContextObject()
         {
             Dispose();
         }

QuickLook/Plugin/IViewer.cs

@@ -22,7 +22,7 @@
         /// </summary>
         /// <param name="path">The full path of the target file.</param>
         /// <param name="context">A runtime object which allows interaction between this plugin and QuickLook.</param>
-        void BoundViewSize(string path, ViewerObject context);
+        void BoundViewSize(string path, ContextObject context);
 
         /// <summary>
         ///     Start the loading process. During the process a busy indicator will be shown. Finish by setting context.IsBusy to
@@ -30,7 +30,7 @@
         /// </summary>
         /// <param name="path">The full path of the target file.</param>
         /// <param name="context">A runtime object which allows interaction between this plugin and QuickLook.</param>
-        void View(string path, ViewerObject context);
+        void View(string path, ContextObject context);
 
         /// <summary>
         ///     Release any unmanaged resource here.

QuickLook/Plugin/InfoPanel/PluginInterface.cs

@@ -14,7 +14,7 @@ namespace QuickLook.Plugin.InfoPanel
             return true;
         }
 
-        public void BoundViewSize(string path, ViewerObject context)
+        public void BoundViewSize(string path, ContextObject context)
         {
             _ip = new InfoPanel();
 
@@ -22,7 +22,7 @@ namespace QuickLook.Plugin.InfoPanel
             context.PreferredSize = new Size {Width = _ip.Width, Height = _ip.Height};
         }
 
-        public void View(string path, ViewerObject context)
+        public void View(string path, ContextObject context)
         {
             _ip.DisplayInfo(path);
 

QuickLook/QuickLook.csproj

@@ -13,6 +13,7 @@
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <IsWebBootstrapper>false</IsWebBootstrapper>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -25,7 +26,6 @@
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
     <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
-    <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
@@ -92,7 +92,7 @@
     <Compile Include="ViewContentContainer.xaml.cs">
       <DependentUpon>ViewContentContainer.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Plugin\ViewerObject.cs" />
+    <Compile Include="Plugin\ContextObject.cs" />
     <Compile Include="Helpers\WindowHelper.cs" />
     <Compile Include="ViewWindowManager.cs" />
     <Page Include="Plugin\InfoPanel\InfoPanel.xaml">

QuickLook/ViewWindowManager.cs

@@ -52,7 +52,10 @@ namespace QuickLook
                 Debug.WriteLine(e.StackTrace);
 
                 if (matchedPlugin.GetType() != PluginManager.GetInstance().DefaultPlugin)
+                {
+                    matchedPlugin.Dispose();
                     _viewWindow.BeginShow(PluginManager.GetInstance().DefaultPlugin.CreateInstance<IViewer>(), path);
+                }
             }
         }