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Counter during Automation- Stopping the process

Posted on 2011-03-21
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Last Modified: 2013-11-27
Continuing my question http:Q_26852019.html
Can we send an event?
I want to be able to stop the counter from the access form either using a mouse click or pressing a button.
It seems that Excel has full control & Doevents etc doesn't give me access to the form.
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Question by:tbsgadi
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Rory Archibald earned 500 total points
ID: 35182370
It's beginning to sound like you should probably rethink this approach, but it can be done using something like this:
In the ThisWorkbook module of your workbook:
Option Explicit

Public objTB As Object

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Then the XL macro becomes for example:
Public Sub TestRoutine()
   Dim n As Long
   Do
      n = n + 1
      With ThisWorkbook.objTB
         .Text = "Processing item number " & n
         .Parent.repaint
         DoEvents
      End With
   Loop While ThisWorkbook.objTB.Tag <> "Stop" And n < 100000
End Sub

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and the Access code is:
Private Sub Command0_Click()
   Dim objXL As Object, objWB As Object
   Set objXL = GetObject(, "Excel.Application")
   Set objWB = objXL.workbooks.Open("C:\forums\ee\xlcallbacktest.xls")
   Set objWB.objtb = Me.Text3
   objXL.Visible = False
   Me.Text3.SetFocus
   objXL.Ontime Now(), "TestRoutine"
   objXL.Visible = True
End Sub

Private Sub Command5_Click()
   Me.Text3.Tag = "Stop"
End Sub

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by:tbsgadi
ID: 35187757
at  
Set objWB.objtb = Me.Text3
I get Error 438 (Object doesn't support this property or method)

I've added Public objTB As Object to  the ThisWorkbook module
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by:Rory Archibald
ID: 35187781
Me.Text3 is whatever the textbox is on your form
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by:tbsgadi
ID: 35187782
I know
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by:tbsgadi
ID: 35187797
Maybe I need early binding?
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Expert Comment

by:Rory Archibald
ID: 35187802
How did you declare objWB in the Access code?
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by:tbsgadi
ID: 35187805
Same as you-as Object
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by:Rory Archibald
ID: 35187812
Then are you absolutely sure you put the 'Public objTB As Object' line in the right place in the workbook (and saved the workbook?)
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by:tbsgadi
ID: 35187816
Absolutely!
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by:Rory Archibald
ID: 35187856
Can you post the workbook you are testing on and the exact Access code you have?
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by:tbsgadi
ID: 35187936
I'll see if I can manage to dissect it not to give away any trade secrets!
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Expert Comment

by:Rory Archibald
ID: 35187948
You can also test the attached db and workbook which I was testing on - you'll need to alter or create the path to the workbook as specified in the code.
EE.zip
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by:tbsgadi
ID: 35188047
Could it be that I'm using

Set objXL = New excel.Application ?
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by:Rory Archibald
ID: 35188078
That should not be a problem. Does my sample db work for you?
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by:tbsgadi
ID: 35188105
It works but I'm getting an application error on     .Parent.repaint
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by:tbsgadi
ID: 35188218
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by:Rory Archibald
ID: 35188416
What error? It works fine for me (Office 2003)
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by:tbsgadi
ID: 35189301
Maybe Windows 7?

<<It's beginning to sound like you should probably rethink this approach>>
How else would you do it?
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by:Rory Archibald
ID: 35194096
I would probably pass control over to Excel and display a progress meter there. Having said that, I can't see why this isn't working for you.
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by:tbsgadi
ID: 35198165
I notice another big difference between our examples.
In yours you can click on the access form or on a text box while the counter is running. In mine the form is frozen & although the counter works I can't select anything. If I could click anything I wouldn't have any problem.
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by:Rory Archibald
ID: 35198183
Are you using OnTime to launch the macro?
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by:tbsgadi
ID: 35198190
yup
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by:tbsgadi
ID: 35205017
I found one of the problems.
I was declaring objXL as Excel.Application When I declare it as Object I don't get the error
Error 438 (Object doesn't support this property or method)
Why would that be?

However my form is still frozen & I can't press any of the buttons.
It's open as popup Dialog, I've tried other configurations...any other ideas?
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