Added in check for AnyUncheckedItems()

As this optimises the case when all items are ticked
schoetbi · Jul 12, 2016 · 842a574 · 842a574
1 parent 85df21e
commit 842a574
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Filters/TextColumnFilter.cs b/Filters/TextColumnFilter.cs
@@ -141,8 +141,11 @@ bool ItemIsChecked(string item)
 
         void UpdateFilter(HeaderMouseEventArgs e, TextColumnFilterDialog dialog)
         {
-            var checkedItems = dialog.GetCheckedItems();
-            SetFilterItems(checkedItems);
+            if (dialog.AnyUncheckedItems())
+                SetFilterItems(dialog.GetCheckedItems());
+            else
+                SetFilterItems(null);   // The user has ticked every item - so no filtering is needed
+
             e.Table.OnHeaderFilterChanged(e);
         }