fix(popout): guard against mid-frame unbind when closing from the header

2026-05-29 13:29:29 +02:00
parent db47708264
commit a9e70ce2af
1 changed files with 6 additions and 0 deletions
@@ -82,6 +82,12 @@ internal sealed class ChannelPopoutWindow : Window

        DrawHeader(Bound);

+        // The header close button can unbind us mid-frame (CloseRequested ->
+        // pool.TryClose -> Unbind nulls Bound). Re-check before the body so we
+        // never hand a null tab to MessageList/InputBar in this same Draw call.
+        if (Bound is null)
+            return;
+
        var inputHeight = InputBar.Height;
        using (
            var body = ImRaii.Child(