Activex Excel Automation: the Missing Handle

Once upon a time there was a piece of legacy code, working well. It would open Excel workbooks, add data, and make it look nice.
Then one fateful day, the old code creaked and groaned, and it doesn't work the same way it used to when it was fresher and younger.
Now when the code runs, an excel 2007 reference is not closed somewhere, causing the excel.exe process to remain open after the code has finished execution.
With great care, I have extracted all the extraneous code from the process, so that only a few base functions remain; yet the problem persists! For your convenience, I have flattened it all onto the same vi pane (the old code is rather modular)! Apologies for any extraneous wire bends =)
My questions are threefold:
What changed that caused this code to stop working?
Is there a better way to find and close activex references than staring intently at the wires?
Is there, dear reader, perhaps a blatent error in the old code?
Attachments:
Fun with references.png ‏59 KB

I"ve moved all the CR's to the end of the VI. The problem persists. Look at the examples? Are you toying with me?
Attachments:
test.vi ‏16 KB

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Excel automation

Hello,
I am trying to use the ActiveX Excel Automation server. I have gotten TestStand to run the excel application, however, when I try to create a new workbook I get the following error:
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I have attached the sequence file I have been using.
Solved!
Go to Solution.
Attachments:
Excel Test.seq ‏6 KB

Hello mcooblal,
I took a look at your sequence file and you are not correctly accessing the workbook class. First you need to get a reference to the workbooks property which returns a reference to the workbooks property. Then using the workbooks reference you can then get the workbooks class which has a method for adding workbooks.
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Excel Automation Closing

Hello,
I have developed a VI (based on ActiveX) that writes to a spreadsheet with some formatting. Past posts on this forum were very helpful in getting me at this point and Kudos to members who have posted VIs, LLBs, and created a thread just for Excel automation.
I've one question related to Excel application closing:
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Hello,
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Excel Automation in C# - Excel process won´t quit

Hi there,
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Thanks for any help!

Sorry I didn't catch the problem sooner. No need to do any of the marshal stuff or the releases. they are not necessary. when you modify the workbook excel won't normally close without the user being prompted if they want to save changes.
So simply end you code like this
If you don't want to save changes
boolean savechanges = false;
oWorkbook.Close(savechanges, Type.Missing, Type.Missing);
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                oExcel
= null;
Or this if yo do want to save changes
boolean savechanges = true;
oWorkbook.Close(savechanges, Type.Missing, Type.Missing);
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= null;
jdweng

Problem with Excel automation refnum

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Message Edité par chilly charly le 12-08-2006 05:32 AM
Chilly Charly    (aka CC)
         E-List Master - Kudos glutton - Press the yellow button on the left...
Attachments:
Example_BD.png ‏3 KB

Bump...
Chilly Charly    (aka CC)
         E-List Master - Kudos glutton - Press the yellow button on the left...

ActiveX Excel Prevent Open File While Writting

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http://forums.ni.com/ni/board/message?board.id=170&message.id=254019&view=by_date_ascending&page=1
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Report and Alert don't executed in the error handler with a JMS proxy service

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How to find out the missing records

Dear all,
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hi,
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inventory management
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f83be790-0201-0010-4fb0-98bd7c01e328
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Win 7 "Default Programs" does not include MS Office 2007 Programs, the missing Programs are missing ICONs as well

I installed Windows 7 in an upgrade from Windows XP. As part of the process MS gave me a URL to download a Office 2007 Pro I could activate with the license key I owned. I got similar URLs for Visio Professional and Project Professional.
Downloaded, installed, activated, started the programs.
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To restore office icons you could try this method
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Windows Registry Editor Version 5.00
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Using vlookup btwn worksheets when using ActiveX Excel

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Hi Dan,
You are right. LabVIEW does not have the other worksheets open. I think that you are on the right track. I recommend opening another worksheet and testing it out. LabVIEW should stop giving you an error when you do.
Nick Keel
Applications Engineering
National Instruments
Nick Keel
Product Manager - NI VeriStand and Model Interface Toolkit
National Instruments

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From what I recall this option for a "query-ready" export should be available from the HTML preview?
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Hi,
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Merging cells and using the fill handle to copy the merge in subsequent...

My problem can be best illustrated by me by explaining how I could achieve it in Excel.
In Excel, this is how it would be done for example:
I select two horizontal cells and click on the merge button to merge them. They are now one cell, with the fill handle (small circle) on the bottom right corner. Clicking on that circle and dragging it down will merge both cells in each row into a single cell. i.e. each subsequent row will look like the row above until I stop dragging.
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doktor_florian wrote:
Either this answer does not have anything to do with the original question or I just don't get the link.
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Hi,
1.) I think you do not entirely understand my poing. Unfortunately, I cannot upload images of what I am trying to illustrate in words.
I am not trying to merge 2 columns and their 20 rows into one cell. What I want to do is to merge two cells horizontally.
Open Numbers and open a blank spread sheet. You have numerous columns and rows, but for simplicity, concentrate on columns A and B and rows 1-5.
The illustrations below show what it is I want to achieve. You start of with (1), two columns with 5 rows making a total of 10 cells. For what ever reasons, I need to merge the 2nd row (A2+B2) into a single cell. I select them, click on merge and that's it. [Illustration (2)] However, I also need the 2nd and 3rd row merged. In Excel. I would click on the bottom-right corner of the 2nd row which was recently merged and drag down. This would copy the merged cell onto the rows below and the result is shown in illustration (3). Now, I could just repeat the procedure that I did the first time I merged the two cells in row 2, but imagine if you need to do this for 10 or 20 rows. That's extremely time consuming and certainly there must be an easier way.
(1) (2) (3)
A B A B A B
1 l___l___l 1 l___l___l 1 l___l___l
2 l___l___l 2 l_______l 2 l_______l
3 l___l___l 3 l___l___l 3 l_______l
4 l___l___l 4 l___l___l 4 l_______l
5 l___l___l 5 l___l___l 5 l___l___l
2.) +"If I select 20 rows with two columns and press "merge" I get one cell with the content of 20 rows. This is utterly useless."+
I think this is a very patronizing comment. How can you know what needs I or other Numbers users have? Perhaps it is very useless to you, in which case you should have said so, but it is not objectively useless.
P.S. I apology for the messiness of the illustrations. It's the best I can do.

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Speaking of attachments, I was so tempted to wade through all 70 (70!!) e-mails in my inbox, but was fearful my MacGyvered patch would fail before getting this off to you.
Time to fade back into the black hole from whence I came. When I close Safari it'll relinquish its tenuous grasp on the Network .exec file it's hacked to."
Any ideas on what's wrong and how it can be fixed? I'll see that they get passed on to Tom.
G4 Powerbook Mac OS X (10.4.10) iMac

Before the mid-1980s, networking might have been implemented with a lot of goofy little routines (.exec's if you must) calling one another. About that time the CCITT (an international telecommunications standards committee made up of Academic and Industrial representatives) did a lot of work abstracting and then standardizing the functions that various parts of a network perform.
The CCITT refined the notion of a Layered Network Architecture and specified the types of activities performed in each layer. Shortly thereafter Apple implemented Open Transport and delivered it into the marketplace in System 7.5.3.
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Hi John,
I'm struggling a little with this UTF-8 topic currently. I can sympathize with your several painful hours now. :-)
1) Can you (or somebody else) reproduce the following issue: (Win 8.1. LR 5.6)
If your photos are stored in a UTF-8 encoded directory such as c:\users\username\Pictøäöüש (the last letter being the Hebrew letter shin). (This is kind of my test case after users from Norway and Israel reported problems.)
local picName = selectedPhoto:getRawMetadata ("path")
outputToLog (picName)
I get the wrong result:
C:\Users\username\Pictøäöüש\7L6B7931.CR2
If I use, on the other hand, getFormattedMetadata:
outputToLog (selectedPhoto:getFormattedMetadata ("folderName") .. " and " .. selectedPhoto:getFormattedMetadata ("fileName"))
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Pictøäöüש and 7L6B7931.CR2
Going from there, I could probably figure out the full path name (which does not seem to be offered in getFormattedMetadata), but I would like to figure out what's wrong with selectedPhoto:getRawMetadata ("path").
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Activex Excel Automation: the Missing Handle

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