From 0219e0bdd1db80557780280d397dca5860b15071 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 8 Jan 2026 16:09:00 +0000
Subject: [PATCH 1/2] Initial plan


From 7958d73383412da8421dced24fda35c85aacff90 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 8 Jan 2026 16:12:01 +0000
Subject: [PATCH 2/2] Add cts disposal to CleanUp method for proper resource
 cleanup

Co-authored-by: weiyuanyue <176483933+weiyuanyue@users.noreply.github.com>
---
 AIDevGallery/Samples/WCRAPIs/KnowledgeRetrieval.xaml.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/AIDevGallery/Samples/WCRAPIs/KnowledgeRetrieval.xaml.cs b/AIDevGallery/Samples/WCRAPIs/KnowledgeRetrieval.xaml.cs
index 5d9bf3f3..79928dbb 100644
--- a/AIDevGallery/Samples/WCRAPIs/KnowledgeRetrieval.xaml.cs
+++ b/AIDevGallery/Samples/WCRAPIs/KnowledgeRetrieval.xaml.cs
@@ -152,6 +152,8 @@ private void CleanUp()
         _indexer?.RemoveAll();
         _indexer?.Dispose();
         _indexer = null;
+        cts?.Dispose();
+        cts = null;
     }
 
     public void Dispose()