/// <summary>
/// Removes the observer.
/// </summary>
/// <param name='o'>
/// object that do not want to receive messages.
/// </param>
public static bool RemoveObserver(IMessageObsever o)
{
if (_observers.Count > 0)
return _observers.Remove(o);
return true;
}
/// <summary>
/// Registers the observer.
/// </summary>
/// <param name='o'>
/// o object will recive messages.
/// </param>
public static void RegisterObserver(IMessageObsever o)
{
if (_observers.Contains(o) == false)
_observers.Add(o);
}