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Run time error 381

An application developed in VB6 runs perfect in Windows NT, Win2k, win98. But gives error "run-time error '381' - Invalid array index". when run on Windows XP Please suggest.
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sureshrao72
Asked:
sureshrao72
1 Solution
 
Joe_GriffithCommented:
Your going to have to give more information to get an answer.  Can you post the code that is causing the problem?
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Richie_SimonettiIT OperationsCommented:
It appears like a problem with option base (0 or 1) but we need more details as joe saids.
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mlmccCommented:
listening
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sureshrao72Author Commented:
The Vb code is

Private Sub cboMdlSlsAreaCd_DropDown()
    MousePointer = Default      '041702
    SendKeys "{DOWN}", True
End Sub

The error occurs when definiting the Dropdownbox cboMdlSlsArea_Cd.
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sureshrao72Author Commented:
Forgot to mention. This happens only at run-time. This does'nt occur at design-time or debugg time.
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dannicCommented:
You can try to add linenumbers and errorhandler to your code!

Eg.
Private Sub cboMdlSlsAreaCd_DropDown()
   On Error GoTo cboMdlSlsAreaCd_DropDownErr
10
   MousePointer = Default      '041702
20
   SendKeys "{DOWN}", True
30
   Exit Sub
cboMdlSlsAreaCd_DropDownErr:
    Call App.LogEvent("ErrorNumber: " & Err.Number & vbCrLf & _
                       "ErrorSource: " & Err.Source & vbCrLf & _
                       "ErrorDescription: " & Err.Description & vbCrLf & _
                       "Error at line: " & Erl, vbLogEventTypeError)
'Raise error
Err.Raise Err.Number, Err.Source, Err.Description
End Sub

This will help you to locate the statement that make this runtime error.

To see the log you just have to look in the Application log with the Event Viewer.
(Start->Programs->Administrative Tools->Event Viewer)

Good luck
dannic

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amebaCommented:
In Click event of cboMdlSlsAreaCd you are using its ListIndex property without checking if anything is selected.  Am I right?
If yes, include line "If cboMdlSlsAreaCd.ListIndex > -1 Then" before the line which uses ListIndex.  
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