How to open a WOW64 registry key from a 64-bit .NET application

Question

My .NET application (any-CPU) needs to read a registry value created by a 32-bit program. On 64-bit Windows this goes under the Wow6432Node key in the registry. I have read

Answer 1

The correct way would be to call the native registry api and passing the KEY_WOW64_32KEY flag to RegOpenKeyEx/RegCreateKeyEx