public RegisteredListener()
 {
     Callbacks = new Dictionary <uint, Action <WindowMessageEventArgs> >();
     Listener  = new MessageListener();
     Listener.MessageReceived += MessageReceived;
 }
 public RegisteredListener()
 {
     Callbacks = new Dictionary<uint, Action<WindowMessageEventArgs>>();
     Listener = new MessageListener();
     Listener.MessageReceived += MessageReceived;
 }