Excel 2010 VBA code is stuck when UserForm is shown

Posted by Denis on Stack Overflow See other posts from Stack Overflow or by Denis
Published on 2012-11-15T22:41:08Z Indexed on 2012/11/15 23:00 UTC
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I've created a UserForm as a progress indicator while a web query (using InternetExplorer object) runs in the background. The code gets triggered as shown below. The progress indicator form is called 'Progerss'.

Private Sub Worksheet_Change(ByVal Target As Range)
    If Target.Row = Range("B2").Row And Target.Column = Range("B2").Column Then
        Progress.Show vbModeless
        Range("A4:A65535").ClearContents
        GetWebData (Range("B2").Value)
        Progress.Hide
    End If
End Sub

What I see with this code is that the progress indicator form pops up when cell B2 changes. I also see that the range of cells in column A gets cleared which tells me that the vbModeless is doing what I want. But then, somewhere within the GetWebData() procedure, things get hung up. As soon as I manually destroy the progress indicator form, the GetWebData() routine finishes and I see the correct results. But if I leave the progress indicator visible, things just get stuck indefinitely.

The code below shows what GetWebData() is doing.

Private Sub GetWebData(ByVal Symbol As String)
     Dim IE As New InternetExplorer
    'IE.Visible = True
    IE.navigate MyURL
    Do
        DoEvents
    Loop Until IE.readyState = READYSTATE_COMPLETE
    Dim Doc As HTMLDocument
    Set Doc = IE.document
    Dim Rows As IHTMLElementCollection
    Set Rows = Doc.getElementsByClassName("financialTable").Item(0).all.tags("tr")

    Dim r As Long
    r = 0
    For Each Row In Rows
        Sheet1.Range("A4").Offset(r, 0).Value = Row.Children.Item(0).innerText
        r = r + 1
    Next

End Sub

Any thoughts?

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