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dan gallery
Posts: 83
Joined: 2009-10-19
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Hi guys,
One of my users on a new 64 bit machine is frequently getting the message:
HRESULT: 0x80010100 (RPC_E_SYS_CALL_FAILED)
during a call I make:
----- loop -------
Thread thread = new Thread(new ParameterizedThreadStart(AccessClipboardThreadAndWriteOutEmfFile));
thread.SetApartmentState(ApartmentState.STA);
thread.Start(stuff);
...
----end loop --------
the line in AccessClipboardThreadAndWriteOutEmfFile() that is failing
Excel.Application excelApp = (Excel.Application) System.Runtime.InteropServices.Marshal.GetActiveObject("Excel.Application");
The call to AccessClipboardThreadAndWriteOutEmfFile fails only some of the time. The function takes a snapshot to clipboard of named ranges in Excel, and writes out the clipboard as a file, so sometimes it is slower than others, depending perhaps on the file size.
The system seems to have trouble getting the active excel app. Though I think this may be misleading. I am looping through the workbook and making a call in each iteration to the above. Perhaps the last call to this thread did not get a chance to complete?
I was wondering if this could be related to my Build, Configuration Manager being set to AnyCpu. Should it be x86?
Also, I tried to create an x64 version of my add on and got the message:
Error 133 File "C:\Users\DPO\Documents\Visual Studio 2008\Projects\DatappraiseOffice\DatappraiseOffice\bin\x64\Debug\DatappraiseOffice.dll" is not a valid assembly. DatappraiseOffice
Do I need to upgrade to Visual Studio 2010 and Add-In Express 2010 to build a 64 bit Add-on? Will the 64 bit add-on run under Office 2007? From another forum thread I read it seems I need to upgrade to .Net Framework 4.0 if I go with Add-In Express 2010. Is that true? If so, will that still support Word/Excel 2007 users?
In general, should I be building 2 versions of my add-in? One for x86, and one x64, i.e. for users on Office 64 bit?
Thanks!
Dan |
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Posted 07 Mar, 2013 20:36:18
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dan gallery
Posts: 83
Joined: 2009-10-19
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Hi guys,
An upd ate to this question. I don't think it has to do with file size of the EMF that is created from the clipboard. I now see a definite pattern on my clients machine. If I open Excel first, and run my function from the Add-In, it always works fine. But if I open Word or Outlook first, then open Excel and run my function, it always fails. And it always fails after 26 successful iterations. This is weird. Its like Word is blocking/restricting the number of available threads or something. I know this is obscure, but any thoughts would be greatly appreciated.
// calling code - looks about 50 times, collecting named ranges in the workbook
bool moreNamedRanges = true;
while (moreNamedRanges) {
Thread thread = new Thread(new ParameterizedThreadStart(AccessClipboardThreadAndWriteOutEmfFile));
thread.SetApartmentState(ApartmentState.STA);
thread.Start(stuff);
Thread.Sl eep(400);
thread.Join();
...
// eventually moreNamedRanges is se t to false
...
}
private void AccessClipboardThreadAndWriteOutEmfFile(object someInfo) {
Excel.Application activeExcelInstance = null;
try
{
// this works fine 26 times
activeExcelInstance = Excel.Application)System.Runtime.InteropServices.Marshal.GetActiveObject("Excel.Application");
}catch (Exception e) {
// on the 27th time this exception excecuted, it fails with the HRESULT: 0x80010100 (RPC_E_SYS_CALL_FAILED) error
} |
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Posted 09 Mar, 2013 19:23:20
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Andrei Smolin
Add-in Express team
Posts: 18823
Joined: 2006-05-11
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Posted 11 Mar, 2013 05:25:44
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dan gallery
Posts: 83
Joined: 2009-10-19
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Hi Andrei,
Doesn't the thread.Join(); statment add it to the main thread?
I've tried running the app in the main thread. The problem is, when I use the statement
Excel.Application activeExcelInstance =(Excel.Application)System.Runtime.InteropServices.Marshal.GetActiveObject("Excel.Application");
This leaves a lingering instance of Excel in Task manager after I close the application, which then messes up the Add-In on subsequent runs.
Thanks,
Dan |
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Posted 12 Mar, 2013 14:02:03
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Andrei Smolin
Add-in Express team
Posts: 18823
Joined: 2006-05-11
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Posted 13 Mar, 2013 06:47:06
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dan gallery
Posts: 83
Joined: 2009-10-19
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Thank you Andrei, excellent articles. Also, I used your advice that office apps aren't thread safe, and simply moved my code out of the thread call and into the main body of my loop, keeping it in the main thread. It worked perfectly. I dont know why i was spawning a thread, i think its because i copied the code from a forum that recommended it due to Clipboard being a shared object.
Anyway, doesnt matter, your comments gave me the clue i needed to fix it, thank you so much! You guys are the best.
Dan |
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Posted 13 Mar, 2013 16:18:44
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Andrei Smolin
Add-in Express team
Posts: 18823
Joined: 2006-05-11
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Thank you!
Andrei Smolin
Add-in Express Team Leader |
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Posted 14 Mar, 2013 05:24:25
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