/// <summary>
 /// Adds the trigger.
 /// </summary>
 /// <param name="trigger">The trigger.</param>
 public void AddTrigger(GestureMessageTrigger trigger)
 {
     triggers.Add(trigger);
 }
 /// <summary>
 /// Adds the trigger.
 /// </summary>
 /// <param name="trigger">The trigger.</param>
 public void AddTrigger(GestureMessageTrigger trigger)
 {
     _triggers.Add(trigger);
 }