Go back from Webkit to IE render engine

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

@@ -0,0 +1,42 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Windows.Controls;
+using System.Windows.Threading;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    /// <summary>
+    ///     Interaction logic for UserControl1.xaml
+    /// </summary>
+    public partial class WebpagePanel : UserControl, IDisposable
+    {
+        public WebpagePanel()
+        {
+            InitializeComponent();
+
+            Helper.SetBrowserFeatureControl();
+        }
+
+        public void Dispose()
+        {
+            browser?.Dispose();
+            browser = null;
+        }
+
+        public void Navigate(string path)
+        {
+            if (Path.IsPathRooted(path))
+                path = Helper.FilePathToFileUrl(path);
+
+            browser.Dispatcher.Invoke(() => { browser.Navigate(path); }, DispatcherPriority.Loaded);
+        }
+
+        public void LoadHtml(string html)
+        {
+            var s = new MemoryStream(Encoding.UTF8.GetBytes(html ?? ""));
+
+            browser.Dispatcher.Invoke(() => { browser.Navigate(s); }, DispatcherPriority.Loaded);
+        }
+    }
+}