Determine if Connected and Logged On

The IsConnected property indicates whether or not the FTP component has a valid TCP/IP connection (and is logged on) to the FTP server.

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Chilkat.Ftp2 ftp = new Chilkat.Ftp2();

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = ftp.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(ftp.LastErrorText);
    return;
}

ftp.Hostname = "ftp.chilkatsoft.com";
ftp.Username = "mylogin";
ftp.Password = "mypassword";

//  Connect and login to the FTP server.
success = ftp.Connect();
if (success != true) {
    MessageBox.Show(ftp.LastErrorText);
    return;
}

//  ...

//  At any point in an FTP session, the IsConnected property
//  can be checked to determine if the component has remained
//  connected to the FTP server.
if (ftp.IsConnected == true) {
    MessageBox.Show("Connected!");
}
else {
    MessageBox.Show("Not connected!");
}

//  ...

ftp.Disconnect();