Merge pull request #1114 from orrindeng/pr230313

Fix combobox can't open dropdown when the editable textbox of it has the focus
fluentribbon · Mar 13, 2023 · d8516fe · d8516fe
2 parents 9a66e30 + 920b049
commit d8516fe
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Fluent.Ribbon/Controls/ComboBox.cs b/Fluent.Ribbon/Controls/ComboBox.cs
@@ -658,7 +658,11 @@ protected override void OnDropDownOpened(EventArgs e)
 
         if (this.SelectedItem is not null)
         {
-            Keyboard.Focus(this.ItemContainerGenerator.ContainerOrContainerContentFromItem<IInputElement>(this.SelectedItem));
+            var selectedItemContainer = this.ItemContainerGenerator.ContainerOrContainerContentFromItem<IInputElement>(this.SelectedItem);
+            if (selectedItemContainer is not null)
+            {
+                Keyboard.Focus(selectedItemContainer);
+            }
         }
 
         this.focusedElement = Keyboard.FocusedElement;