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MS Office Forum / Word / Programming / January 2005macro variable scope?
Hello, I have a macro that automatically prints documents by settings the activeprinter and then calling printout and this macro is executed from the command line with the /m switch. I have a problem, however when executing several instances simultaneously using Java threads - the documents can end up at the wrong printers! What is the scope of macro variables? Is it possible that they are common and running the macro simultaneously might overwrite the values? > Hello, > [quoted text clipped - 8 lines] > What is the scope of macro variables? Is it possible that they are > common and running the macro simultaneously might overwrite the values? Hi Nik, The problem is probably not the scope of the variables, but rather of the fact that changing the ActivePrinter property changes the system default printer, and so the default printer may be changed by a competing thread before another thread can successfully execute the PrintOut method. Word is an awfully large program to be attempting to run multiple instances simultaneously. I would recommend that you find a way of having the Java threads chare a single instance of Wor, perhaps be passing the print jobs to a single queue which then handles control of Word.  SignatureRegards Jonathan West - Word MVP www.intelligentdocuments.co.uk Please reply to the newsgroup > Word is an awfully large program to be attempting to run multiple instances > simultaneously. I would recommend that you find a way of having the Java > threads chare a single instance of Wor, perhaps be passing the print jobs to > a single queue which then handles control of Word. Yes, I'm leaning towards that option. OLE could be one option but then I would have to use a Java-COM bridge and introduce another external component to the system and it could become a bottleneck if it hangs. Another option would be to have a single queue and spawn word instances from there - hardware is cheap nowadays ;-) > Yes, I'm leaning towards that option. OLE could be one option but then > I would have to use a Java-COM bridge and introduce another external > component to the system and it could become a bottleneck if it hangs. If you decide to use OLE, check out jacob, a GPL-licensed Java-COM bridge: http://sourceforge.net/projects/jacob-project/ I use it extensively for desktop integration with an application that runs as a Java applet. It can be confusing to use, so be sure to get the examples from http://geekatwork.net/jacob/ hth, -Peter
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