windows Service Controller application programming interface for driver service

Am developing a windows Service Controller application programming
interface (API) in C# for driver service (WFP callout driver making
use of Application Layer Enforcement). in visual studio 2017

My question is this, how do i create an entry piont,that will call
the driver service (WFP callout driver making use of Application
Layer Enforcement). and what is the first file in the various windows
drivers sdk files.