private void ProcessHotkeyMessage(Message m)
            {
                var id = new HotkeyId((int)m.WParam);

                if (HotkeyHandlers.TryGetValue(id, out HotkeyHandler handler))
                {
                    handler.HotkeyPressed();
                }
            }
 public void Plugin(IHotkeyHandler handler)
 {
     HotkeyHandlers.Add(handler);
 }