private void PopulateRecipientsModelCollection()
        {
            //clear list (bindable collection)
            AvailableRecipients.Clear();

            //for every read SMS recipient
            foreach (var item in _originalListOfRecipients)
            {
                SMSrecipientExportModel model = new SMSrecipientExportModel()
                {
                    ToExport    = false,
                    Identity    = item.Identity,
                    FirstName   = item.FirstName,
                    LastName    = item.LastName,
                    AreaCode    = item.AreaCode,
                    PhoneNumber = item.PhoneNumber,
                };

                AvailableRecipients.Add(model);
            }
        }
 private bool CheckIfAtLeastOneRecipientIsSelected()
 {
     return(AvailableRecipients.Where(x => x.ToExport == true).Count() > 0);
 }