Accessibility Support

• Jan 24, 2025
• 2 minutes to read

Many DevExpress WPF controls comply with WCAG 2.2 (Level AA), Section 508, and EN 301 549 standards. To learn more about how WPF controls satisfy these requirements, refer to the DevExpress Accessibility Conformance Report (ACR).

Download: DevExpress WPF ACR v24.1(based on VPAT®)

Limitations

The following table lists known limitations of Data Editors according to the WCAG 2.x standard:

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WCAG 2.x Criterion

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Exception Description

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2.1.1

Keyboard

(Level A)

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The PopupCalcEdit control does not support keyboard navigation.

ColorEdit control does not support navigation through colors from the keyboard.

Users cannot change the TrackBarEdit‘s values with the keyboard.

Users cannot change the RangeControl‘s values with the keyboard.

BreadcrumbControl

• Users cannot navigate the displayed path.
• Users cannot focus the control with the keyboard until it is focused with the mouse.

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4.1.2

Name, Role, Value

(Level A)

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The list below contains controls or their elements that do not provide assistive technologies with accessible information:

ComboBoxEdit

• The selected item when you change it.
• Drop-down button.

DateEdit:

• Values when you change them with Up/Down keys.
• Date calendar in the popup.

Date elements in the DateEditPicker popup.

The StepProgressBar‘s focused step.

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2.5.8

Target Size (Minimum)

(Level AA 2.2 only)

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The following DevExpress components may contain smaller pointer input arears than 24x24 pixels (depending on the applied theme):

• ComboBoxEdit items. As a workaround, you can use the ComboBoxEdit.ItemContainerStyle property to enlarge items.
• SpinEdit’s spin buttons.

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Note

Accessibility features of your application depend on implementation (your use of Data Editors API). Your application may not require or enable user actions listed above. The limitation list may also be incomplete. Test all required user functionality to ensure accessibility compliance.

Keyboard Navigation

Refer to following sections to see the list of available keys that allow users to interact with Data Editors.

ComboBoxEdit / AutoSuggestEdit

Key	Action
Alt + ↓	Opens a drop-down.
Space	Check/uncheck an item in the ComboBoxEdit drop-down.[1]

SpinEdit

Key	Action
↑ / ↓	Increases / decreses a SpinEdit value.

CheckEdit / ToggleSwitch

Key	Action
Space	Check/uncheck a CheckEdit / ToggleSwitch item.

MemoEdit

Key	Action
Alt + ↓	Opens a MemoEdit drop-down.
Ctrl + Enter	Save the made changes.

RatingEdit

Key	Action
← / →	Increases / decreses a RatingEdit value.

Information on Screen Reader Support and Contrast Theme Availability

Refer to the following topic for more information on the accessibility support in DevExpress WPF Controls: Accessibility Support.

Footnotes

1. When the BaseEdit.StyleSettings property is set to CheckedComboBoxStyleSettings or CheckedComboBoxStyleSettings.