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nwein
Posts: 577
Joined: 2011-03-28
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Is it possible to limit the time Module.CallWorksheetFunction(ADXExcelWorksheetFunction.xxx) takes to return (within an XLL Module)?
I'm asking since I've noticed that if I call an external RTD (not one that I have control over), sometimes if it's in a bad state it can pretty much lock my execution and keep excel hanging indefinitely.
I'm not sure if introducing timers is a good idea but thought I'd ask first.
Thanks in advance! |
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Posted 27 Jan, 2017 15:55:30
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Andrei Smolin
Add-in Express team
Posts: 18821
Joined: 2006-05-11
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Hello Nir,
When the function starts you can store the current time in a variable. In the code of the function, you can compare the current time with the time stored in the variable and decide what to do next.
Andrei Smolin
Add-in Express Team Leader |
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Posted 30 Jan, 2017 05:49:25
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nwein
Posts: 577
Joined: 2011-03-28
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This is not helping since the code hangs on the CallWorksheetFunction call.
e.g.:
public static object MyUdf(string myParam)
{
var rtdValue = Module.CallWorksheetFunction(ADXExcelWorksheetFunction.Rtd, "external.rtd", string.Empty, myParam); // <-- hangs here
// do my own thing
...
}
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Posted 30 Jan, 2017 10:42:18
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Andrei Smolin
Add-in Express team
Posts: 18821
Joined: 2006-05-11
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Hello Nir,
If you don't have access to the code of that RTD server, there's nothing you can do about the issue.
Andrei Smolin
Add-in Express Team Leader |
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Posted 31 Jan, 2017 06:41:08
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OliverM
Guest
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Would it be an option to start the UDF in its own thread and cancel/abort it, if there is no response in a given time? |
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Posted 01 Feb, 2017 04:35:29
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Dorel Sops
Posts: 6
Joined: 2017-01-30
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Thank you for the answer, but this seems to not solve my problem. Firstly there is a office customization possible (add items from a list), which is lost, second, I cannot add my custom one click push button to reproduce the existing functionality of the browse (file open dialog). The problem is the same: I do not know the type of the "Browse" button, if this class is implemented or not. I tried to add manually a lot of kind of button type in the parent control, but no success. Please send me some details, I need them for the customer to argue what is possible and what is not (customer wants a customized open file dialog to access external repositories, but with no or minimal changes to the office UI; no changes means to capture / replace the browse button, minimal changes to add a one click button under the standard "Browse").
Does the "Browse" button has a class implemented in the add-in express or not?
If yes, which is the corresponding class, if not is this an add-in express limitation, or an office one?
If it is an ad-din express limitation, may we hope for a future version which implements it? |
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Posted 01 Feb, 2017 06:38:55
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Andrei Smolin
Add-in Express team
Posts: 18821
Joined: 2006-05-11
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Posted 01 Feb, 2017 08:09:42
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Andrei Smolin
Add-in Express team
Posts: 18821
Joined: 2006-05-11
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Hello Oliver,
Note that a UDF is started by Excel, not by you.
Besides, Excel isn't multi-threading. There are some multi-threading features of XLL that are described. What you suggest to do isn't described and you can do this on your own risk only.
Andrei Smolin
Add-in Express Team Leader |
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Posted 01 Feb, 2017 08:14:06
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