Non-null disposed BlockingCollection can throw exception

2022-06-21 21:08:49 -04:00 · 2022-06-21 21:08:49 -04:00 · ba722487d8
commit ba722487d8
parent eff2634b32
1 changed files with 7 additions and 2 deletions
--- a/Source/FileManager/BackgroundFileSystem.cs
+++ b/Source/FileManager/BackgroundFileSystem.cs
@ -79,8 +79,13 @@ namespace FileManager
            //Stop raising events
            fileSystemWatcher?.Dispose();

-            //Calling CompleteAdding() will cause background scanner to terminate.
-            directoryChangesEvents?.CompleteAdding();
+            try
+            {
+                //Calling CompleteAdding() will cause background scanner to terminate.
+                directoryChangesEvents?.CompleteAdding();
+            }
+            // if directoryChangesEvents is non-null and isDisposed, this exception is thrown. there's no other way to check >:(
+            catch (ObjectDisposedException) { }

            //Wait for background scanner to terminate before reinitializing.
            backgroundScanner?.Wait();