How to tell it's a managed or unmanaged assembly?

How to tell it's a managed or unmanaged assembly?

1. Back to Basics: 32-bit and 64-bit confusion around x86 and x64 and the .NET Framework and CLR
2. How to determine whether a DLL is a managed assembly or native (prevent loading a native dll)?
3. Check if unmanaged DLL is 32-bit or 64-bit?
4. How to find if a native DLL file is compiled as x64 or x86?
5. How do I determine if a .NET application is 32 or 64 bit?
6. How do I tell if my application is running as a 32-bit or 64-bit application?
7. 3 Ways to Learn Whether a Windows Program is 64-bit or 32-bit
8. How to check if a binary is 32 or 64 bit on Windows?
9. Quick way to tell if an installed application is 64-bit or 32-bit
10. How to tell if a .exe file is a 32-bit or 64-bit application using dumpbin
11. Migrating 32-bit Managed Code to 64-bit
12. Determining Which Version of the .NET Framework Is Installed
13. How can I tell if my .NET application is running in 64bit on the 64bit server?
14. Checking if the Current Process is 64-bit
15. x64bit Development with .NET
16. Migrating 32-bit Managed Code to 64-bit
17. x64 Development with .NET

a new section starts here:

1. How to interpret the CorFlags flags?
2. CorFlagsReader.cs