prevent gMostRecentlyOpenedDoc from pointing to delete DocController (f…

…ixes #3918)
sumatrapdfreader · Nov 29, 2023 · 084ece5 · 084ece5 · alibadrelsayed · Nov 29, 2023
1 parent 4dd1e7c
commit 084ece5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/WindowTab.cpp b/src/WindowTab.cpp
@@ -44,6 +44,10 @@ WindowTab::~WindowTab() {
         AsChm()->RemoveParentHwnd();
     }
     delete selectionOnPage;
+    // technically we only need to clear ctrl == gMostRecentlyOpenedDoc
+    // but gMostRecentlyOpenedDoc is only for dde commands
+    // so doesn't need to be kept for long
+    gMostRecentlyOpenedDoc = nullptr;
     delete ctrl;
 }