Include in project programmatically

Question

How do we include a file in a project using code?

I want to include this file:

Answer 1

You can do this a few ways.

Command Line:

devenv /command "File.AddExistingSolutionItem fullpath\filename"

Project File:

The project file is XML. You can open and modify it like any file.

Code:

Use Microsoft.Build.Evaluation.Project to inspect and modify project files. The .AddItem() method is what you're looking for.