Sftp sftp = new Sftp(serverUri.Host, userName, password);
sftp.Connect();
//the foldername cannot be empty, or the listing will not show
ArrayList res = sftp.GetFileList("/foldername");
foreach (var item in res)
{
if (item.ToString() != "." && item.ToString() != "..")
Console.WriteLine(item.ToString());
}
sftp.Close();