Opening Excel from Visual Basic many times.

I have a program that uses a template in excel. If I populate the template and show excel, everything is fine. But if the user closes that instance of excel and tries to run another report, when it reopens excel, you can't see anything but the menus and the frame. The sheet itself is not visible. It is like it is transparent. It works fine again if I close my program and reopen it but I don't want the user to have to do that. Any ideas why it does that and how to avoid it? I can show a screen shot if needed. Thanks.

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Do you set the Application.ScreenUpdating setting to False in your program, and not set it back to True before you quit your object instance?

With Excel in the state you describe, try going into the Visual Basic for Applications environment (<ALT>+[F11]), and then use the "Immediate" Window (<CTRL>+[G]) to type:
Application.ScreenUpdating = True

Return to the main Excel worksheet view (<ALT>+[F11] again) and see if the situation improves.



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J_K_M_A_NAuthor Commented:
Yes it does...but I don't set that ever that I know of. I have added that line to my visual basic program and it worked. What I have found though is that my program doesn't close it's instance of excel until my program actually closes because I am leaving it open for the user to see until they are finished. I can check that checking the task manager. I will show my excel code below.

On Error Resume Next
Set oExcel = GetObject(, "Excel.Application")
If Err = 429 Then
    NeedToOpen = True
    Err = 0
    Set oExcel = New Excel.Application
    'Can 't create object
    If Err = 429 Then
        MsgBox Err & ": " & Error, vbExclamation + vbOKOnly
        Exit Sub
    End If
    NeedToOpen = False
End If
Set oBook = oExcel.Workbooks.Open("T:\End Of Month Reports\EOM Report Template.xls")
Set oSht = oBook.Sheets(1)

I got the above from a web site a long time ago. The code below is to close excel. The problem is, I want to leave excel open for the user to see the template as long as they would like so I don't actually close excel ever until my program closes. Any idea how to keep excel open until the user closes it?

oExcel.Visible = True
oExcel.Interactive = True
oExcel.ScreenUpdating = True

If NeedToOpen = True And DontClose.Value = 0 Then
    Call oBook.Close(False)
    Set oExcel = Nothing
End If

If Not (oSht Is Nothing) Then
    Set oSht = Nothing
End If
If Not (oBook Is Nothing) Then
    Set oBook = Nothing
End If

Thanks for the help so far. It will work this way if nothing else. I would just like to find a way to close excel all the way when the user closes it. Thanks for the help.



If I understand you correctly:

You create an Excel.Application object in your application, and open an existing workbook (template) to update values in the cells.

You then leave this Excel instance open so that the user can review the changed values, and only close the object when your program closes (that may be before, or after, the user wishes to close MS-Excel).

What I suggest is that you use the code you already have to create the object, & open the file, but then close it & set to internal objects to 'Nothing' as you do already to release the resources.

Now, use the Shell() VB function or ShellExecute() Windows API function to then re-load MS-Excel externally to your application so that it is controlled by the Desktop environment rather than by your VB application.

Does that make sense?


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open excel noninteractively, do you thing, close excel, shellexecute excel filename
There seems to be an echo :)
J_K_M_A_NAuthor Commented:
I understand. I would rather not do it that way but if there is no way around it then that is what I will have to do. Thanks for the help.

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