Inheritance: Catel.Data.ModelBase
        public ContactUsViewModel(ContactUsModel model, IPleaseWaitService pleaseWaitService, IMessageService messageService)
        {

            ContactUs = model;

            _pleaseWaitService = pleaseWaitService;
            _messageService = messageService;

            SendCommand = new Command(SendMessage);

        }
        private void ShowContactUs()
        {

            ContactUsModel model = new ContactUsModel();

            _uiVisualizerService.ShowDialog(new ContactUsViewModel(model, _pleaseWaitService, _messageService));

        }