c# interop winword.exe doesn't Quit()! -

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i feed multiple docs below method , see winword.exe disapear expected on over 15 diferente pcs running winxp 32bit win8 64bit having office 2000 onwards. on 1 nightmare pc has trend's antivírus running, winword.exe (always, every time) interrupts loop "file in use" exception (turning trends off allows work again). ideias keep trends on?

void loop() { microsoft.office.interop.word._application app = new microsoft.office.interop.word.application(); app.visible = false; app.screenupdating = false; app.displayalerts = wdalertlevel.wdalertsnone;  microsoft.office.interop.word._document doc = app.documents.open(filepath, false, true, false); doc.activate(); doc.disablefeatures = true;  doc.exportasfixedformat(newfilename, wdexportformat.wdexportformatpdf, false,wdexportoptimizefor.wdexportoptimizeforonscreen, wdexportrange.wdexportcurrentpage, 1, 1, wdexportitem.wdexportdocumentwithmarkup, false, false, wdexportcreatebookmarks.wdexportcreatenobookmarks, true, false, true, type.missing);  ((microsoft.office.interop.word._document)doc).close(wdsaveoptions.wddonotsavechanges); marshal.releasecomobject(doc); marshal.finalreleasecomobject(doc);  ((microsoft.office.interop.word._application)app).quit(wdsaveoptions.wddonotsavechanges); marshal.releasecomobject(app); marshal.finalreleasecomobject(app);  gc.gettotalmemory(false); gc.collect(); gc.waitforpendingfinalizers(); gc.collect(); gc.gettotalmemory(true); }

i've had similar issues av's.

you need to put try catch, , in catch, add sleep() , try again.

i ended having work out how big file determine how long sleep should (based upon how long scan going on proportional time took scan).

hope enough going?


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