Xojo Plugin

FTP Download Binary File to a Stream

See more FTP Examples

Demonstrates how to FTP download a binary file to a Chilkat stream.

Note: This example requires Chilkat v9.5.0.67 or greater.

Xojo Plugin

Dim success As Boolean
success = False

// This example assumes the Chilkat FTP2 API to have been previously unlocked.
// See FTP2 Unlock Sample for sample code.

Dim ftp As New Chilkat.Ftp2

ftp.Hostname = "www.my-ftp-server.com"
ftp.Username = "mFtpLogin"
ftp.Password = "myFtpPassword"
ftp.AuthTls = True
ftp.Passive = True

// Connect and login to the FTP server using TLS.
success = ftp.Connect()
If (success <> True) Then
    System.DebugLog(ftp.LastErrorText)
    Return
End If

// We'll read the incoming data chunk-by-chunk and write to an output file.
Dim fac As New Chilkat.FileAccess
success = fac.OpenForWrite("qa_output/penguins2.jpg")
If (success <> True) Then
    System.DebugLog(fac.LastErrorText)
    Return
End If

Dim streamObj As New Chilkat.Stream

// Create a task to do the FTP download.
Dim t As Chilkat.Task
t = ftp.GetFileToStreamAsync("penguins2.jpg",streamObj)
If (ftp.LastMethodSuccess <> True) Then
    System.DebugLog(ftp.LastErrorText)
    Return
End If

// Start the task in a background thread.
success = t.Run()

Dim bd As New Chilkat.BinData
While streamObj.EndOfStream <> True
    // Get the next chunk of JPG bytes.
    success = streamObj.ReadBd(bd)
    // Do something with it..
    // In this simple example, we'll just write to the file.
    success = fac.FileWriteBd(bd,0,0)
    // Clear for the next read.
    success = bd.Clear()
Wend

fac.FileClose 

System.DebugLog("Success.")