/// <summary>
/// Makes screen reader announce the element if <see cref="AutomationProperties.LiveSettingProperty"/>
/// is not <see cref="AutomationLiveSetting.Off"/> and <see cref="AutomationProperties.NameProperty"/>
/// is not null or empty, by rising the <see cref="AutomationEvents.LiveRegionChanged"/> event.
/// </summary>
/// <param name="element"></param>
public static void AnnounceIfNeeded(UIElement element)
{
if (AutomationProperties.GetLiveSetting(element) != AutomationLiveSetting.Off &&
!string.IsNullOrEmpty(AutomationProperties.GetName(element)))
{
var peer = FrameworkElementAutomationPeer.FromElement(element);
peer?.RaiseAutomationEvent(AutomationEvents.LiveRegionChanged);
}
}
/// <summary>
/// <see cref="AutomationPeer.GetLiveSettingCore"/>
/// </summary>
override protected AutomationLiveSetting GetLiveSettingCore()
{
return(AutomationProperties.GetLiveSetting(_owner));
}
