public static void RegisterFocusEvents(DependencyObject obj)
{
if (AutomationPeerCache.GetIsAutomationFocused(obj))
{
return;
}
AutomationPeerCache.RegisterFocusEvents(obj, "IsKeyboardFocused");
}
public static void RegisterFocusEvents(DependencyObject obj, AutomationPeer associatedPeer)
{
if (AutomationPeerCache.GetIsAutomationFocused(obj))
{
return;
}
if (AutomationPeerCache.GetAutomationPeer(obj) == null && UIElementAutomationPeer.FromElement(obj as UIElement) == null)
{
AutomationPeerCache.SetAutomationPeer(obj, associatedPeer);
}
AutomationPeerCache.RegisterFocusEvents(obj, "IsKeyboardFocused");
}