/// <summary>
/// Removes a previously added event listener on this instance, stop invoking the callback method when the event is dispatched
/// </summary>
/// <param name="name"></param>
/// <param name="callBack"></param>
public void RemoveEventListener <T>(object name, Action <T> callBack)
where T : Event
{
udpm.RemoveEventListener <T>(name, callBack);
}