(.NET Core C#) FTP Upload / Download to a BinData Object

Demonstrates how to FTP upload the contents of a BinData object, and FTP downloads to the a BinData object.

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// This example assumes Chilkat Ftp2 to have been previously unlocked.
// See Unlock Ftp2 for sample code.

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

ftp.Hostname = "www.my-ftp-server.com";
ftp.Username = "mFtpLogin";
ftp.Password = "myFtpPassword";

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

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

Chilkat.BinData bdA = new Chilkat.BinData();
bdA.LoadFile("qa_data/jpg/penguins.jpg");

// Upload the contents of bdA to the FTP server.
string remoteFilename = "penguins.jpg";
success = ftp.PutFileBd(bdA,remoteFilename);
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

// Download...
Chilkat.BinData bdB = new Chilkat.BinData();
success = ftp.GetFileBd(remoteFilename,bdB);
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

// Verify that bdA and bdB have the exact same contents.
Debug.WriteLine("size of bdA: " + Convert.ToString(bdA.NumBytes));
if (bdA.ContentsEqual(bdB) == true) {
    Debug.WriteLine("Contents are equal. Success.");
}
else {
    Debug.WriteLine("Contents are NOT equal.  Failed.");
}

ftp.Disconnect();