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8.6

Need a little help with ftp program using winsock

Asked by km1039 in Visual Basic Programming, Winsock

Tags: ftp, using, winsock

I am working on an ftp program and I have run into a snag where the last chunck of data does not get downloaded in the dataarrival event.

'SEND REQUEST TO FTP SERVER TO RETREIVE FILE
Private Sub Download
strDownloadData = "" 'GLOBAL VARIABLE
wsCommand.SendData "RETR MergeClient\NCSDesignExpert.exe" & vbCrLf
Code = ""
While Code <> "226"
DoEvents
Wend
.....
End Sub

'PROCEDURE CALLED AS DATA IS SENT TO CLIENT
Private Sub wsData_DataArrival(ByVal bytesTotal As Long)
Dim strData As String
wsData.GetData strData
totalreceived = totalreceived + bytesTotal
If bytesTotal > 0 Then
Call WriteDataToFile(strData)
End If
End Sub

I am testing with a 20 mb file and everything works fine until I get to the point where I need one more chunk of data to complete the transfer. At that point I get caught in the "While Code <> "226" DoEvents Wend" loop and I have to shut the process down.

I thought the data would continue to download until all of it has been retreived and a that point the ftp server would return a code of "226" but there must be something else happening in between that I am not testing for.

Any ideas?

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20091021-EE-VQP-81

Need a little help with ftp program using winsock

Asked by km1039 in Visual Basic Programming, Winsock

Tags: ftp, using, winsock

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