Fix illegal path characters error in InfoPanel with defensive programming

Co-authored-by: emako <24737061+emako@users.noreply.github.com>

QuickLook/Controls/BusyDecorator/BackgroundVisualHost.cs

@@ -81,7 +81,8 @@ public class BackgroundVisualHost : FrameworkElement
         private readonly CreateContentFunction _createContent;
         private readonly Action _invalidateMeasure;
 
-        private readonly AutoResetEvent _sync = new(false);
+        private readonly AutoResetEvent _sync =
+            new AutoResetEvent(false);
 
         public ThreadedVisualHelper(
             CreateContentFunction createContent,
@@ -124,9 +125,15 @@ public class BackgroundVisualHost : FrameworkElement
         }
     }
 
+    #region Private Fields
+
     public ThreadedVisualHelper ThreadedHelper;
     private HostVisual _hostVisual;
 
+    #endregion Private Fields
+
+    #region IsContentShowingProperty
+
     /// <summary>
     ///     Identifies the IsContentShowing dependency property.
     /// </summary>
@@ -156,6 +163,10 @@ public class BackgroundVisualHost : FrameworkElement
                 bvh.HideContentHelper();
     }
 
+    #endregion IsContentShowingProperty
+
+    #region CreateContent Property
+
     /// <summary>
     ///     Identifies the CreateContent dependency property.
     /// </summary>
@@ -185,4 +196,6 @@ public class BackgroundVisualHost : FrameworkElement
                 bvh.CreateContentHelper();
         }
     }
+
+    #endregion CreateContent Property
 }

QuickLook/Plugin/InfoPanel/InfoPanel.xaml.cs

@@ -58,16 +58,50 @@ public partial class InfoPanel : UserControl
             Dispatcher.BeginInvoke(new Action(() => image.Source = source));
         });
 
-        var name = Path.GetFileName(path);
+        string name;
+        try
+        {
+            name = Path.GetFileName(path);
+        }
+        catch (ArgumentException)
+        {
+            // Handle invalid path characters gracefully
+            name = path;
+        }
+        catch (PathTooLongException)
+        {
+            // Handle path too long scenarios
+            name = path;
+        }
         filename.Text = string.IsNullOrEmpty(name) ? path : name;
 
+        try
+        {
             var last = File.GetLastWriteTime(path);
             modDate.Text = string.Format(TranslationHelper.Get("InfoPanel_LastModified"),
                 last.ToString(CultureInfo.CurrentCulture));
+        }
+        catch (ArgumentException)
+        {
+            // Handle invalid path characters gracefully
+            modDate.Text = TranslationHelper.Get("InfoPanel_LastModified_Unavailable") ?? "Last modified: Unavailable";
+        }
+        catch (UnauthorizedAccessException)
+        {
+            // Handle access denied scenarios
+            modDate.Text = TranslationHelper.Get("InfoPanel_LastModified_Unavailable") ?? "Last modified: Unavailable";
+        }
+        catch (PathTooLongException)
+        {
+            // Handle path too long scenarios
+            modDate.Text = TranslationHelper.Get("InfoPanel_LastModified_Unavailable") ?? "Last modified: Unavailable";
+        }
 
         Stop = false;
 
         _ = Task.Run(() =>
+        {
+            try
             {
                 if (File.Exists(path))
                 {
@@ -117,6 +151,22 @@ public partial class InfoPanel : UserControl
                                 $"{totalSizeL.ToPrettySize(2)} {t}";
                         });
                 }
+            }
+            catch (ArgumentException)
+            {
+                // Handle invalid path characters gracefully
+                Dispatcher.Invoke(() => { totalSize.Text = "Size: Unavailable"; });
+            }
+            catch (UnauthorizedAccessException)
+            {
+                // Handle access denied scenarios
+                Dispatcher.Invoke(() => { totalSize.Text = "Size: Unavailable"; });
+            }
+            catch (PathTooLongException)
+            {
+                // Handle path too long scenarios
+                Dispatcher.Invoke(() => { totalSize.Text = "Size: Unavailable"; });
+            }
         });
     }
 }