WPF Document Viewer - Accessibility
- 2 minutes to read
#Accessibility Features Overview
Accessibility Requirement | Support Level |
---|---|
Keyboard Navigation Support | ![]() |
Screen Reader Support | ![]() |
Contrast Color Theme | ![]() |
- all component features meet the requirement
- component features partially meet the requirement
#Accessibility Standards Compliance
WinForms Document Viewer component complies to Section 508 and WCAG 2.x standards criteria. We have not encountered any issues other than the following:
Section 508 criteria | WCAG 2. |
Exception description |
---|---|---|
1. |
In the Document Page area, assistive technology cannot programmatically determine which column header is associated with a specific cell. | |
1. |
The reading sequence is determined by the order in which visual elements of the document (bricks) are created when a report is processed. This order may not correspond to the visual order on the page. | |
2. |
Document Map panel focus cannot be moved with arrow or tab keys. | |
3. |
The component does not expose UI language information to assistive technologies. A developer can specify a language in the page that contains the component. |
#Keyboard Navigation
A user can use the following keys to interact with the Document Viewer:
Key | Action |
---|---|
Tab | Navigates between the Document area, Parameters panel, Document Map panel. Navigates between Ribbon items. Navigates between elements in Parameters and Document Map panels. |
Narrator + Left/Right Arrow | Moves between Ribbon command items. Navigates within the contents of a document page when you move focus to a document page. Moves between editors in Document Map and Export panels. Selects an item in drop-down boxes. |
Esc | Moves focus to the page that contains bricks when navigating between bricks on a page. |
Space | Triggers an action when a command item is selected in the Ribbon. |
#Screen Reader Support
WinForms Document Viewer supports screen readers and complies to WAI-ARIA standards. The exceptions are listed in the Accessibility Standards Compliance topic section.
#Contrast Color Theme
Use the DevExpress Office 2019 High Contrast theme to improve readability. Review the following help topic for information on DevExpress WPF application themes: WPF Application Themes.
#Accessibility Mode
Set the IsEnabled property to false
to enable accessibility features in a DevExpress WPF application: