VB.NET

HTTP Download any Type of File (binary or text)

See more HTTP Examples

The Download method can download any file type, whether binary (e.g., .zip, .pdf) or text (.xml, .txt), without distinction. It streams the file byte-for-byte from the web server exactly as received. This same process applies to web pages: providing a URL typically viewed in a browser downloads the server's delivered HTML to a file. VB.NET

Dim success As Boolean = False

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

Dim http As New Chilkat.Http
http.KeepResponseBody = True

' Download a .zip
Dim localFilePath As String = "/temp/hamlet.zip"
success = http.Download("https://www.chilkatsoft.com/hamlet.zip",localFilePath)
Dim statusCode As Integer = http.LastStatus
If (success = False) Then
    If (statusCode = 0) Then
        ' Unable to either send the request or get the response.
        Debug.WriteLine(http.LastErrorText)
    Else
        ' We got a response, but the status code was not in the 200s
        Debug.WriteLine("Response status code: " & statusCode)
        ' Examine the response body.
        Debug.WriteLine("Response body:")
        Debug.WriteLine(http.LastResponseBody)
    End If

    Debug.WriteLine("Download failed.")

Else
    Debug.WriteLine("Download success, response status = " & statusCode)
End If


' Download an XML file:
localFilePath = "/temp/hamlet.xml"
success = http.Download("https://www.chilkatsoft.com/hamlet.xml",localFilePath)
' ...
' Check for errors in the same way as shown above..
' ...

Debug.WriteLine("OK!")