Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means this post is outdated for newer version of .NET
The answer is not 42 🙂 , but 11.417. I will never be able to grasp the vast capabilities of the .Net Framework.
With more than 100.000 member it’s no wonder that I am addicted IntelliSense.
You can get more details on Brad Abrams blog entry.