🚀 go-pugleaf

I have asked a bunch of directory and path questions over the past few days
and have received all the answers I need. After further thinking I have come
to conclustion that maby the question I should have asked was this since
almost everyone should have an answer for it since it must me common. I have
an app that REQUIRES a certain directory structure to work. Up untill now I
have hard coded the directory structure using #defines and actually
delivered this directory structure along with the app's installation media.
For example; the app requred the follow dir structure

c:\Visinet ---- this is the app's main/master directory
c:\Visinet\GUI --- location of the gui
c:\Visinet\Drivers --- location of driver exes required by app
c:\Visinet\FEP ---- location of the app's server
c:\Visinet\Runtim --- location of the app's data base files

also, there are required directories within some of these directories.

Overall question. I now want to allow the user to be able to control the
app's master directory. ie change c:\visinet to say d:\nms

What is the standard/best way for the app to handle this? I have implemented
a mechanism using the info received from the recent postings but am not very
pleased with my implementation so I figured I would ask everyone else how
they handle this. Sample code or links would be great.

Thanks for any and all suggestions.

Jeff