Friendly is a library for creating integration tests.
It has the ability to manipulate other processes.
It is currently designed for Windows Applications (WinForms, WPF, and Win32).
The name Friendly is derived from the C++ friend class.
Being friends gives you access to what you normally wouldn't be able to do.
Friendly can also operate .NetCore WinForms and WPF apps. But please write the test code in .Net Framework. Sorry.
It's like a selenium's javascript execution.
All Methods, Properties and Fields can be called regardless of being public internal protected private.
It can inject .net assembly. And can execute inserted methods.
Install Friendly.Windows from NuGet
PM> Install-Package Codeer.Friendly.Windows
https://www.nuget.org/packages/Codeer.Friendly.Windows/
https://github.com/Codeer-Software/Friendly
Initially, Friendly defined a common interface, and Friendly.Windows was positioned as a Windows application version of that, but in reality there are only Windows applications, so I decided to put the documents together.