Greetings,

A wizard generated VSTO project adds the following references to the project:

Microsoft.Office.Interop.Word
Microsoft.Office.Tools.Common.v9.0
Microsoft.Office.Tools.v9.0
Microsoft.VisualStudio.Tools.Applications.Runtime. v9.0

As parto of VSTO, there is also a Microsoft.Office.Tools.Word.v9.0.

Can someone please explain the differences between
Microsoft.Office.Interop.Word and Microsoft.Office.Tools.Word.9.0? I am sure
the interop one just wraps ActiveX objects for .NET but what is on the second
one? When should I use one or the other?

Word PIA. Basically, it's the same thing all programmers have to work with,
whether they use classical VB, VBA, C++ or managed code.

Tools.Word are the extensions provided by the VSTO technology. For example, VSTO
"wraps" bookmark objects present at *design* time, making it possible for you to
link a bookmark to a data set and/or the data cache. It also "streamlines"
coding in some respects (provides the bookmarks as objects in your solution
and you can use Bookmark.Text rather than Bookmark.Range.Text).

When you create a VSTO document-level solution you can use either or both,
depending on what you want to do.

Cindy Meister
INTER-Solutions, Switzerland
http://homepage.swissonline.ch/cindymeister (last update Jun 17 2005)
http://www.word.mvps.org

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