This is the project of my program:
http://www.4shared.com/file/259396798/53d2a9dc/MRKtack.html
it works in Visual C++ 2008 Express!
please download & test it on your compiler.
it is an API graphical program.
It works in my Windows XP properly!
but when I install it on Windows Seven/Vista there is a problem with painting! it is painted & then the paintings vanish!
& there's some problem with buttons. they don't work properly in Seven/Vista!
what's the problem?! what's the difference beween XP & newer versions of Windows?