Need a kick start for C#

Hey guys.

I'm (really) embarrassed to ask this, but I need a bit of help getting back into the BOI.  Specifically I need to figure out how to setup a C# and VB.NET project to use the BOI - includes / using, etc.  I'm particularly interested in C#. (rusty there, but it's coming back)

I'm familiar with the usage of the objects and their methods and properties, and intimately familiar with the table structures and business logic of MAS 90, uh, Sage 100.  (having worked with Steve Malmgren on the original examples way back in 2002/2003 - I used to have copies if the sample VB.NET programs I helped write for Insights / DireXions, but they are MIA). 

What I'd really like if it's available somewhere is a sample C# project I can play with in VS 2017. Once I have the basic structure set up I'm confident I can use the BOI to do what I need to do.