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(Visual Basic 6.0) HTTP Download with Progress Event CallbacksDownloads a file via HTTP or HTTPS and uses event callbacks to monitor progress.
Dim WithEvents http As ChilkatHttp ' AbortCheck callback method. Private Sub http_AbortCheck(abort As Long) End Sub ' PercentDone callback method. Private Sub http_PercentDone(ByVal percentDone As Long, abort As Long) Debug.Print "Percent Done: " & percentDone ' Explicitly abort at 25% or greater. ' Remove this to allow for the HTTP download to run to completion. If (percentDone > 25) Then abort = 1 End If End Sub ' ProgressInfo callback method. Private Sub http_ProgressInfo(ByVal name As String, ByVal value As String) Debug.Print name & ": " & value End Sub private Sub ChilkatExample() ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Set http = New ChilkatHttp ' Set a heartbeat in milliseconds http.HeartbeatMs = 200 ' Download a file... Dim localFilePath As String localFilePath = "qa_output/Python-3.4.4.tar.xz" Dim success As Long success = http.Download("https://www.python.org/ftp/python/3.4.4/Python-3.4.4.tar.xz",localFilePath) If (success <> 1) Then Debug.Print http.LastErrorText Exit Sub End If Debug.Print "OK!" End Sub |
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