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Tip of the Day
Language: VB5,VB6
Expertise: Intermediate
Oct 6, 2001

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Download a file with one API call

If you have Internet Explorer 5 or later version, you can use an API call to download a file from the Internet withouth displaying any message box. The following code downloads the demo copy of our VBMaximizer VB6 add-in from our site to the C:\ directory on your hard disk:

Private Declare Function URLDownloadToFile Lib "urlmon" Alias _
    "URLDownloadToFileA" (ByVal pCaller As Long, ByVal szURL As String, _
    ByVal szFileName As String, ByVal dwReserved As Long, _
    ByVal lpfnCB As Long) As Long

' Note that this file is 2M, so you might want to try with something simpler
Dim errcode As Long
Dim url As String
Dim localFileName As String

url = "http://www.vb2themax.com/vbmaximizer/files/vbm_demo.zip"
localFileName = "c:\vbm_demo.zip"

errcode = URLDownloadToFile(0, url, localFileName, 0, 0)
If errcode = 0 Then
    MsgBox "Download ok"
Else
    MsgBox "Error while downloading"
End If
Francesco Balena
 
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