Hide Class-View in Solution Explorer

Instructions for Visual Studio 2017:

1. Close Visual Studio 2017
2. Open Registry Editor (regedit), select HKEY_USERS
3. File → Load Hive → %localappdata%\Microsoft\VisualStudio\15.0_<id>\privateregistry.bin where <id> is some hexadecimal gibberish. Set Key Name to the one you like e.g. vs2017
4. Go to HKEY_USERS\vs2017\Software\Microsoft\VisualStudio\15.0_<id>
5. Create new key UseSolutionNavigatorGraphProvider of DWORD (32-bit) type, value 0
6. Select HKEY_USERS\vs2017, File → Unload Hive

For VS2017 use Disable Solution Explorer's Dynamic Nodes extension github