Windows hooker - intercepts system calls to make fullscreen programs running in a window, to support a better compatibility, to enhance video modes and to stretch timing. It is tipically very useful to run old windows games.
https://sourceforge.net/projects/dxwnd/ or http://www.softpedia.com/get/System/OS-Enhancements/DxWnd.shtml
origin - http://www.pipiscrew.com/?p=6397 dxwnd