From 966a7060e451b093b3d1b968b7b43e8a8725a1a5 Mon Sep 17 00:00:00 2001
From: BobLd <38405645+BobLd@users.noreply.github.com>
Date: Sun, 28 Sep 2025 14:34:34 +0100
Subject: [PATCH] Use pageFactoryCache.Clear() in Pages dispose and fix #1170

---
 src/UglyToad.PdfPig/Content/Pages.cs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/UglyToad.PdfPig/Content/Pages.cs b/src/UglyToad.PdfPig/Content/Pages.cs
index 94766ca64..0d9e4c977 100644
--- a/src/UglyToad.PdfPig/Content/Pages.cs
+++ b/src/UglyToad.PdfPig/Content/Pages.cs
@@ -182,16 +182,15 @@ internal PageTreeNode GetPageNode(int pageNumber)
 
         public void Dispose()
         {
-            foreach (var key in pageFactoryCache.Keys)
+            foreach (var factory in pageFactoryCache.Values)
             {
-                var factory = pageFactoryCache[key];
-                pageFactoryCache.Remove(key);
-
                 if (factory is IDisposable disposable)
                 {
                     disposable.Dispose();
                 }
             }
+
+            pageFactoryCache.Clear();
         }
     }
 }