How could one use C# to install an Excel 2007 add-in?
EDIT:
Let me clarify a little bit. I have the Excel Add-In (xla extension) created, but when I open a workbook via C# I want to "install" the add-in.
EDIT:
Let me clarify a little bit. I have the Excel Add-In (xla extension) created, but when I open a workbook via C# I want to "install" the add-in.