Helper class to gather data about a custom event Corresponds to UIAutomationEventInfo.
 /// <summary>
 /// Add an event to this pattern
 /// </summary>
 /// <param name="eventHelper"></param>
 public void AddEvent(UiaEventInfoHelper eventHelper)
 {
     _events.Add(eventHelper);
 }
 /// <summary>
 /// Add an event to this pattern
 /// </summary>
 /// <param name="eventHelper"></param>
 public void AddEvent(UiaEventInfoHelper eventHelper)
 {
     _events.Add(eventHelper);
 }