(C# UWP/WinRT) Append to Existing File on FTP Server

Uploads a file to the FTP server. If the remote file (on the FTP server) does not already exist, it is created. Otherwise the uploaded file is appended to the remote file.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

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

ftp.Hostname = "ftp.myftpserver.com";
ftp.Username = "myUsername";
ftp.Password = "myPassword";

// Connect to the FTP server.
bool success = await ftp.ConnectOnlyAsync();
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

// Authenticate with the FTP server.
success = await ftp.LoginAfterConnectOnlyAsync();
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

string localFilePath = "/someDirectory/hamlet.xml";
string remoteFilename = "hamlet.xml";

// Upload to the FTP server, creating the file if it does not yet exist
// on the FTP server, or appending to the remote file if it already exists.
success = await ftp.AppendFileAsync(localFilePath,remoteFilename);
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

await ftp.DisconnectAsync();

Debug.WriteLine("Success.");