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Continuing On

Asked by richard_gar in Miscellaneous Programming, Microsoft Visual Basic.Net

I have the following code that reads an item in the listview then runs an external dll and waits for a response. The listview can contain many rows of which what I need to do is get the first row run the external dll get the response and if the response = 0 then carry on as if nothing has happened. But if the response is more than 0 then I need it to show a messagebox to the user but move on to the next row.

The problem I face is that the external dll prog is collecting files from another PC so infact I am reading the Listview Row to get the machine details then running the external dll wtihin there I am running through a listbox to collect each file then returning to my listview to get the next row.

If it fails to communciate with the PC I need it to ignore the rest of the files in the listbox and move onto the next item in the listview.

How can I do this?

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             For Each lvItem As ListViewItem In ListView1.Items
 
            lblSiteID.Text = lvItem.Text
            lblTillID.Text = lvItem.SubItems(1).Text
            lblTAMAster.Text = lvItem.SubItems(4).Text
            lblIPAddress.Text = lvItem.SubItems(2).Text
 
            Call SaveINI(lblTillID.Text, lblIPAddress.Text)
 
            Dim ByteArray As New System.Text.ASCIIEncoding
            VBICR_COMMInit(ByteArray.GetBytes(""), ByteArray.GetBytes("PCHOS COMMS"))
 
            For i As Integer = 0 To ListBox1.Items.Count - 1
                Dim strOutputFile As String = ConfigurationManager.AppSettings("ZRead") & "\" & ListBox1.Items(i).ToString & "-" & lblSiteID.Text & "-" & lblTillID.Text & ".icr"
                Dim strFileNumber As String = ListBox1.Items(i)
                Dim strResult As Int16 = VBICR_COMMSalesCollect(lblTillID.Text, strFileNumber, 0, 0, ByteArray.GetBytes(strOutputFile), 1)
                Logger.ZReadEvents(lblSiteID.Text, lblTillID.Text, strResult)
 
'Here is where I need to check strResult for the result and if 0 then carry on if not then move to the next row in the listview.
 
            Next i
 
            'Collect the journal from the till
            If lvItem.SubItems(7).Text = "0" Then
 
            Else
 
                Dim strJournal As String = ConfigurationManager.AppSettings("Journal") & "\" & DateTime.Today.ToString("ddMMyyyy") & "-" & lblSiteID.Text & "-" & lblTillID.Text & ".txt"
                VBICR_COMMReceiveFile(lblTillID.Text, 900, 0, 0, ByteArray.GetBytes(strJournal))
 
                'Reset the T&A File
                VBICR_COMMJob(lblTillID.Text, 3, 1052, 0, 0, ByteArray.GetBytes(""))
 
            End If
 
            'Import files to corresponding tables
            ICR_COMMClose()
            FrmZRead.ShowDialog()
 
        Next
 
        End

           
         

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Continuing On

Asked by richard_gar in Miscellaneous Programming, Microsoft Visual Basic.Net

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