Apparently, manually adding registry keys does the trick, although this is
not supported and you'll probably face a few issues (eventing ...)

http://www.ondotnet.com/pub/a/dotnet...mshosting.html

"olive_c" wrote:

Has anyone tried doing this :
I developped a .NET Windows custom control, that I would like to insert in
an Excel Sheet when pressing a Add-in CommandButton.

I'm currently struggling with Excel Interop and OleObjects collection, hope
I'm on th eright path ....