Work with C# Project and Solution programmatically : <p>I am looking for approach add existing C# Project (.csproj) into solution (.sln) programmatically on C#. Will be good if posible escape use “illegal” way like parsing and edit xml document.</p>

<p>At the end of work, result should be like adding existing C# Project via Visual Studio.</p>

<p><a href="https://i.stack.imgur.com/gaEOn.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gaEOn.jpg" alt="enter image description here"></a></p>
