(VB.NET) 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.

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

Dim ftp As New Chilkat.Ftp2

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

' Connect to the FTP server.
Dim success As Boolean = ftp.ConnectOnly()
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' Authenticate with the FTP server.
success = ftp.LoginAfterConnectOnly()
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


Dim localFilePath As String = "/someDirectory/hamlet.xml"
Dim remoteFilename As String = "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 = ftp.AppendFile(localFilePath,remoteFilename)
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


ftp.Disconnect()

Debug.WriteLine("Success.")