public static T Create <T>(UIElement element, params object[] args) where T : AutomationPeer
{
AutomationPeer automationPeer = AutomationPeerCache.GetAutomationPeer((DependencyObject)element);
if (automationPeer == null)
{
if (args.Length == 0)
{
automationPeer = (AutomationPeer)Activator.CreateInstance(typeof(T), new object[1]
{
(object)element
});
}
else
{
automationPeer = (AutomationPeer)Activator.CreateInstance(typeof(T), args);
}
if (automationPeer != null)
{
AutomationPeerCache.SetAutomationPeer((DependencyObject)element, automationPeer);
AutomationPeerCache.RegisterFocusEvents((DependencyObject)element);
}
}
return(automationPeer as T);
}
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");
}