public StatusViewModel(MessageService service)
        {
            if (service == null) {
                throw new ArgumentException("Need working message service");
            }

            _msgService = service;
            DisplayName = Resources.Status_DisplayName;
        }
        public ComposeViewModel(MessageService service)
        {
            if (service == null) {
                throw new ArgumentException("Need working message service");
            }

            _msgService = service;
            DisplayName = Resources.Compose_DisplayName;
            Editor = new HtmlEditor();
        }