How to find all subfolders within a folder

[GoogleCodeExporter]

What steps will reproduce the problem?
1. It is able to read/write but for that, complete PATH should be known.
2. Many a times, the keys are in folders with random names on different 
machines, for e.g. see the folders beneath : 
HKLM\SOFTWARE\MICROSOFT\Windows\CurrentVersion\MMDevices\Audio\Capture\

What version of the product are you using? On what operating system?
4.5

Please provide any additional information below.

Original issue reported on code.google.com by [email protected] on 24 Jan 2014 at 3:15