ValidationService.AllowAccessibilityAlerts Attached Property

Specifies whether to enable UI Automation-based accessibility alerts for validation errors. This is an attached property.

Namespace : DevExpress.Xpf.Editors

Assembly : DevExpress.Xpf.Core.v25.2.dll

NuGet Package : DevExpress.Wpf.Core

Declaration

See GetAllowAccessibilityAlerts(DependencyObject) and SetAllowAccessibilityAlerts(DependencyObject, Boolean).

Returns

Type	Description
Boolean

true, to inform the user of validation errors via the UI Automation framework; otherwise, false.

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Remarks

Users receive validation alerts when they perform the following actions:

• Focus an editor that has validation errors.
• Select a cell that has validation errors in a GridControl or a PropertyGridControl.
• Change a correct value to an incorrect one or vice versa. The alert is only sent after input validation. If the ValidateOnTextInput property is set to true , input validation occurs on every character change, but the user only receives a single alert when validation passes or fails.
• Invoke a tooltip that has an error message.
• Attempt to switch focus from the editor that has validation errors when the InvalidValueBehavior property is set to WaitForValidValue.

See Also

ValidationService Class

ValidationService Members

DevExpress.Xpf.Editors Namespace