How do I redirect stderr of a spawned process into an internal buffer?

[Andrej Mitrovic]

Maybe even today. Here we go (second one is threaded):

https://github.com/AndrejMitrovic/DWinProgramming/tree/master/Samples/Extra/RedirectChildHandle

https://github.com/AndrejMitrovic/DWinProgramming/tree/master/Samples/Extra/RedirectChildHandleThreaded