some changes for progress

2025-10-31 01:41:51 +01:00
parent 4bf8f8b3d3
commit 3cc1d10b87
8 changed files with 170 additions and 53 deletions
@@ -514,9 +514,10 @@ public class WinoMailCollection : ObservableRecipient, IRecipient<SelectedItemsC
        // Group items by their grouping key and add them in a single UI thread call
        if (itemsToAdd.Count > 0)
        {
-            var groupedItems = itemsToAdd
+            // Pre-compute grouping on background thread to reduce UI thread work
+            var groupedItems = await Task.Run(() => itemsToAdd
                .GroupBy(GetGroupingKey)
-                .ToDictionary(g => g.Key, g => g.ToList());
+                .ToDictionary(g => g.Key, g => g.ToList())).ConfigureAwait(false);

            await ExecuteUIThread(() =>
            {