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Script needs to wait for a nested iframe to be built before contnuing


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I think I am very close to having my script working, but I need a little help.  I am trying to screen scrape a web-based application we use at work, and I have found that it uses nested iframes to display its information.  When viewing client's data, a new frame is created, a "Demog" frame.  If I start the script with a clients info pulled up the script works fine.  If I switch from one client to the next, everything works fine.  If I go back to the main screen (which deletes the "Demog" iframe) or start the script before the Demog iframe is created, the script will break.

I really just need this script to do nothing until it finds that particular Demog frame and then scrape the client's info and fire a function based on the acct#.

Below is the code I am using and the error I am getting with debug on.  Any and all help is appeciated.

#include <IE.au3>

$oldAcct = ""
$newAcct = ""

While 1

        $oIE = _IEAttach("**My App Name** ", "Title")
    Until $oIE <> 0

        $oFrame1 = _IEFrameGetObjByName($oIE, "frameInner")
    Until $oFrame1 <> 0

        $oFrame2 = _IEFrameGetObjByName($oFrame1, "wFrame") 
    Until $oFrame2 <> 0

        $oFrame3 = _IEFrameGetObjByName($oFrame2, "MainFrame")
    Until $oFrame3 <> 0

        $oFrame4 = _IEFrameGetObjByName($oFrame3, "Demog") 
    Until $oFrame4 <> 0

    If $oFrame4 <> 0 Then

    $oIE = 0
    $oFrame1 = 0
    $oFrame2 = 0
    $oFrame3 = 0
    $oFrame4 = 0
    Sleep(1500) ; Wait 1.5 seconds between main loops to save on CPU time


Func GetAcctInfo()
$sText = _IEBodyReadText ($oFrame4)
If $sText <> "" Then
    $Demog = StringSplit($sText,"|") ; Begin parsing data elements
    $AcctNo = StringRight ($Demog[4] , StringInStr($Demog[4], "ACCT#")-1)
    $newAcct = $AcctNo
    If $oldAcct <> $newAcct Then
        MsgBox(0,'Client Name',$Demog[1])
        MsgBox(0,'Acct #',$AcctNo)
        $oldAcct = $newAcct

Pertinent output from debugger:

0033: 0-0:  Do
0034: 0-0:      Sleep(100)
0035: 0-0:      $oFrame4 = _IEFrameGetObjByName($oFrame3, "Demog")
C:\Program Files\AutoIt3\Include\IE.au3 (800) : ==> The requested action with this object has failed.:
If $oFrame.name = $s_Name Then Return SetError($_IEStatus_Success, 0, $oTemp.frames($s_Name))
If $oFrame.name = $s_Name Then Return SetError($_IEStatus_Success, 0, $oTemp.frames($s_Name)^ ERROR
->08:18:22 AutoIT3.exe ended.rc:1

EDIT:  OK, I finally figured this out.  I updated my Autoit and IE.au3 to their latest versions and now the script works fine with no modifications.  Now I feel bad for not checking this before posting.

EDIT2:  Actually the latest code was giving me different problems, but was still erroring out around that last frame getting created/destroyed by the program  But I finally got around the issue by using a _IEFrameGetCollection loop to count the number of frames before I start looking for the correct frame.

Edited by MuffinMan
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