public AddEditDistributionListTypeModel()
        {
            mDistributionListType = new DistributionListType();

            OkButtonCommand = new DelegateCommand<object>(OkButtonHander, CanExecuteOkButtonHandler);
            CancelButtonCommand = new DelegateCommand<object>(CancelButtonHander, CanExecuteOkButtonHandler);
        }
        private void cmsWebServiceClient_GetDistributionListTypeCompleted(object sender, GetDistributionListTypeCompletedEventArgs e)
        {
            mDistributionListType = e.Result;

            OnDataSourceLoaded();
        }