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POWinWord.exe won't quit after calling Word.Documents.Add - Word .NET Interop
 

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    <p>I'm running into the classic scenario where, when creating Word COM objects in .NET (via the Microsoft.Office.Interop.Word assembly), the WinWord process won't exit even though I'm <a href="http://www.xtremevbtalk.com/showthread.php?p=1326018" rel="noreferrer">properly closing and releasing the objects</a>.</p> <p>I've narrowed it down to the use of the Word.Documents.Add() method. I can work with Word in other ways without a problem (opening documents, modifying contents, etc) and WinWord.exe quits when I tell it to. It's once I use the Add() method (and only when adding a <em>template</em>) that the process is left running.</p> <p>Here is a simple example which reproduces the problem:</p> <pre><code>Dim word As New Word.Application() word.Visible = False Dim documents As Word.Documents = word.Documents Dim doc As Word.Document = documents.Add(Template:=CObj(templatePath), NewTemplate:=False, DocumentType:=Word.WdNewDocumentType.wdNewBlankDocument, Visible:=False) '' dispose objects doc.Close() While (Marshal.ReleaseComObject(doc) &lt;&gt; 0) End While doc = Nothing While (Marshal.ReleaseComObject(documents) &lt;&gt; 0) End While documents = Nothing word.Quit() While (Marshal.ReleaseComObject(word) &lt;&gt; 0) End While word = Nothing GC.Collect() </code></pre> <p>As you can see I'm creating and disposing the objects properly, even taking the extra step to loop Marsha.ReleaseComObject until it returns the proper code. Working with the Word objects is fine in other regards, it's just that pesky Documents.Add that is causing me grief. Is there another object that gets created in this process that I need to reference and dispose of? Is there another disposal step I need to follow? Something else? Your help is much appreciated :)</p> <p><code>Update:</code> I tried GC.Collect at the end of the disposal step but still no luck.</p> <p><code>Update 2:</code> I've narrowed the problem down to the use of custom templates. When I invoke Documents.Add(...) I specify a custom template for the new document. If I don't do this and instead invoke Add() with no parameters, then the problem does not happen.</p>
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    1. COThis could as well be an issue with a custom template. Does it work if you simply call `oWord.Documents.Add()`?
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    2. COThanks, great suggestion! It DOES work if I'm only calling Add, so it is the custom template that is somehow causing the problem. I'll dig further.
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    3. COIf it's that then maybe Jim Leonardo solution will help. Make it show Word what it does, maybe some dialog box or something is waiting.
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