Wendy,
> If I need .NET to communicate with the Visual Basic 6.0 programs and/or if
>I need the Visual Basic 6.0 programs to communicate with the Visual basic.net
>programs I am wondering how I would do that?
COM interop is most likely the easiest way.
> Would I use COM, or DCOM?
Yes.
> Would I have vb 6.0 communicte with vb.NET by using the "Class libraries"
>in .NET? I would use class libraries so that I could create DLLs.
Yep
> Thus would I use COM, DCOM, class libaries, and/or DLLs?
Yes, all of the above (well maybe not DCOM if the components are on
the same machine).
> Thus would you let me know what the best way to do this is and what url's I
>can use as a reference?
Here's the entry point for the relevant section of the .NET SDK docs
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconinteroperatingwithunma
nagedcode.asp
And here are links to a number of other COM interop related articles
http://www.dotnetinterop.com/articles.aspx#com
Mattias

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Mattias Sjögren [MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
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