ZIP file created with SharpZipLib cannot be opened on Mac OS X

Question

Argh, today is the day of stupid problems and me being an idiot.

I have an application which creates a zip file containing some JPEGs from a certain directory. I use th

Answer 1

I encountered weird behavior when archive is empty (no entries inside it) it can not be opened on MAC - generates cpgz only. The idea was to put a dummy .txt file in it in case when no files for archiving.