add error handling to iconex getimagesource

Bloxstrap/Extensions/IconEx.cs

@@ -9,10 +9,23 @@ namespace Bloxstrap.Extensions
         public static Icon GetSized(this Icon icon, int width, int height) => new(icon, new Size(width, height));
 
         public static ImageSource GetImageSource(this Icon icon)
+        {
+            const string LOG_IDENT = "IconEx::GetImageSource";
+
+            try
             {
                 using MemoryStream stream = new();
                 icon.Save(stream);
                 return BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
             }
+            catch (Exception ex)
+            {
+                App.Logger.WriteLine(LOG_IDENT, "Failed to get ImageSource");
+                App.Logger.WriteException(LOG_IDENT, ex);
+
+                // return fallback image
+                return Utilities.GetEmptyBitmap();
+            }
+        }
     }
 }

Bloxstrap/Utilities.cs

@@ -1,4 +1,6 @@
 using System.ComponentModel;
+using System.Windows.Media.Imaging;
+using System.Windows.Media;
 
 namespace Bloxstrap
 {
@@ -81,5 +83,17 @@ namespace Bloxstrap
                 return Array.Empty<Process>(); // can we retry?
             }
         }
+
+        private static BitmapSource? _emptyBitmap;
+        public static BitmapSource GetEmptyBitmap()
+        {
+            return _emptyBitmap ??= CreateEmptyBitmap();
+        }
+
+        // https://stackoverflow.com/a/50316845
+        public static BitmapSource CreateEmptyBitmap()
+        {
+            return BitmapSource.Create(1, 1, 1, 1, PixelFormats.BlackWhite, null, new byte[] { 0 }, 1);
+        }
     }
 }