Word AddIn to Act Like Word AutoCorrect

[genemort]

I have a question:

I'm using Visual Studio .Net and C# to create a Word AddIn

How would I use the Word object model to do the following

WHEN a Word User types a word I want my AddIn to
substitute for that word - just like AutoCorrect does

HOWEVER, I can't find any EVENT for recognizing the
SPACE character as the user types and how to define a
Range object for that just-typed word and make the
substitution

Please point me in the wrong direction

Also, is there any NewsGroup when these types of
questions are answered

Thanks Sooo Much
Gen