(Objective-C) 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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#import <CkoFtp2.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

ftp.Hostname = @"ftp.example.com";
ftp.Username = @"mylogin";
ftp.Password = @"mypassword";

// Connect and login to the FTP server.
BOOL success = [ftp Connect];
if (success != YES) {
    NSLog(@"%@",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 == YES) {
    NSLog(@"%@",@"Connected!");
}
else {
    NSLog(@"%@",@"Not connected!");
}

// ...

success = [ftp Disconnect];