从宏调用Excel VB AddIn

So I'm trying to build a series of data entry forms in Excel that are coded in C# in visual studio. I'd like to be able to store an entire library of these forms in an add-in, and only show certain forms depending on the excel document that's open. I know that with a few tricks, the excel ribbon can be customized per individual document, So I'm trying to build a series of data entry f