Keyboard Support in WinUI ComboBox

18 Nov 20182 minutes to read

This section explains the shortcut keys that are supported in ComboBox.

The Syncfusion.Editors.WinUI NuGet package is required to use the SfComboBox control. The ComboBox must have focus for the keyboard shortcuts to work.

Keyboard behaviors

The following table explains the shortcut keys for opening and closing the drop-down.

Key or KeyCombinations	Non-editable mode	Editable mode
F4	To open or close the drop-down.	To open or close the drop-down.
Alt+Down	To open or close the drop-down.	-
Enter	Single selection To open or close the drop-down. If the drop-down is already open, pressing the Enter key will update the selected item and close the drop-down. Multiple selection To open the drop-down when it is closed.	If the drop-down is already open, pressing the Enter key will update the selected item and close the drop-down.
Up, Down	-	To open the drop-down when it is closed.
Escape	Single selection If the drop-down is already open, pressing the Escape key will cancel the selection and close the drop-down. Multiple selection If the drop-down is already open, pressing the Escape key will close the drop-down.	If the drop-down is already open, pressing the Escape key will cancel the selection and close the drop-down.
Tab, Shift+Tab	Single selection If the drop-down is already open, pressing the Tab or Shift+Tab key will update the selected item and close the drop-down. Multiple selection If the drop-down is already open, pressing the Tab or Shift+Tab key will close the drop-down.	If the drop-down is already open, pressing the Tab or Shift+Tab key will update the selected item and close the drop-down.

The following table explains the shortcut keys to navigate and highlight the items in the drop-down list.

Key or KeyCombinations	Single selection mode	Multiple selection mode
Up, Ctrl+Up, Shift+Up	Moves the focus and selection to the previous item from the current focused item.	Moves the focus to the previous item from the current focused item.
Down, Ctrl+Down, Shift+Down	Moves the focus and selection to the next item from the current focused item.	Moves the focus to the next item from the current focused item.
Home	Moves the focus and selection to the first item.	Moves the focus to the first item.
End	Moves the focus and selection to the last item.	Moves the focus to the last item.
PageUp	Moves the selection up to the first fully visible item on the current page. If the first fully visible item is selected, moves the selection to the first fully visible item on the previous page.	Moves the focus up to the first fully visible item on the current page. If the first fully visible item is focused, moves the focus to the first fully visible item on the previous page.
PageDown	Moves the selection down to the last fully visible item on the current page. If the last fully visible item is selected, moves the selection to the last fully visible item on the next page.	Moves the focus down to the last fully visible item on the current page. If the last fully visible item is focused, moves the focus to the last fully visible item on the next page.