IList <MailData> GetSortedMessages(MailMessageRepository repository)
{
return(repository.MailMessages.OrderByDescending(x => x.MailTime).ToList());
}
public ViewModel(MailMessageRepository repository)
{
this.repository = repository;
ItemSource = GetSortedMessages(this.repository);
PullToRefreshCommand = new Command(ExecutePullToRefreshCommand);
}