The link below contains Visual Studio templates that create
fully-configured projects for STEP-NC DLL applications. Save the link
below, then unpack it in your Documents folder. This installs
templates (which are also zip files) under the
"Templates\ProjectTemplates\STEP-NC" folder in each of the "Visual
Studio 2012", -2013, -2015, and -2017 folders. Only unpack the
stepnc_templates zip, do not unpack the template zips
After you install, create a new project by selecting "File | New | Project", and then under either C# or Visual Basic, select the STEP-NC category. There are two templates, as shown below. One creates a console application and one creates a simple form with a button.