private Chilkat.Ftp2 SetInfomation(string host, int port, string username, string password)
{
Chilkat.Ftp2 ftp = new Chilkat.Ftp2();
ftp.UnlockComponent(key);
ftp.Hostname = host;
ftp.Port = port;
ftp.Username = username;
ftp.Password = password;
ftp.SetTypeAscii();
return ftp;
}