private void SaveCommandExecute(object parameter)
        {
            model.Name        = name;
            model.Description = description;

            CarInfoServiceClient proxy = new CarInfoServiceClient();

            proxy.SaveCarInfoAsync(new RichEditMVVMScenarioSL.CarInfoServiceReference.CarInfo()
            {
                Name        = model.Name,
                Description = model.Description
            });
        }
        private void LoadCommandExecute(object parameter)
        {
            CarInfoServiceClient proxy = new CarInfoServiceClient();

            proxy.LoadCarInfoCompleted += ((s, e) => {
                model.Name = e.Result.Name;
                model.Description = e.Result.Description;
                this.Name = model.Name;
                this.Description = model.Description;
            });

            proxy.LoadCarInfoAsync();
        }