public static void Add(EventListener listener)
{
lock (_events)
{
_events.AddLast(listener);
}
}
public static EventListener Remove(AutomationEvent eventId, AutomationElement element, Delegate handler)
{
// Create a prototype to seek
int[] runtimeId = (element == null) ? null : element.GetRuntimeId();
EventListener prototype = new EventListener(eventId.Id, runtimeId, handler);
lock (_events)
{
LinkedListNode<EventListener> node = _events.Find(prototype);
if (node == null)
{
throw new ArgumentException("event handler not found");
}
EventListener result = node.Value;
_events.Remove(node);
return result;
}
}