Then again - why not just shell out to the 7zip exe? It has pretty good command line control especially when you use CreateProcess to wait and capture the command line output and control the shell window...

+++ Rick ---


>Hi John,
>
>For sure I appreciate the 7z format as well:)
>
>My apps are delivered as self-executable 7z-based self-installing routines.
>
>>[..]the few lines of code is an OK trade for a reliable dll you can distribute under GNU LGPL .
>
>Paying for the job done makes some sense here. Last time I coded C (or anything that delivers executable code) was 1992 for a couple of fll and and 1999 for a personal hack to the foxisapi stuff. I have alas not the time for me to get into that trade again:(
>
>Cheers
>
>Daniel