Microsoft PPT has the ability to save your powerpoint as a Windows Media Video (WMV) which can be initiated on startup in full screen mode and looping. It maybe a bit resource intensive but it's a quick fix
Powerpoint Viewer 2010 Download Free BETTER
I do not wish to ask the user, where MS PowerPoint viewer is installed. I believe, it is not professional and relies on user making appropriate input. Instead, I would like to be able to identify the location of the installation directory on my own.
If you rephrase the question as "I would like to display a powerpoint in slideshow mode from within my C++ application." then it would be easy to achive this by querying the registered file handler and using the applicable COM object.
 7a63b62549