Claus Busch wrote:
Hi Witek,

Am Tue, 22 Oct 2013 10:05:15 -0500 schrieb witek:

Unfortunately it must work on any pc even freshly built so I can't
assume existence of any non standard library on computer.
Windows and Office and nothing more.

have a look:
http://msdn.microsoft.com/library/vs...ession.zipfile


Regards
Claus B.


thanks

unfortunately,

no .net allowed
win32 only so I can write a wrapper

Windows 7 is able to zip and unzip files but I do not know where this
function is and if it is exposed as API.