Sorry but no. The Viewer doesn't support macros or code of any kind.
Austin Myers
MS PowerPoint MVP Team
Provider of PFCMedia, PFCPro, PFCExpress
http://www.pfcmedia.com
> When i start a powerpoint view show usaing powerpoint viewer and if i
> change
[quoted text clipped - 3 lines]
> That is whenever i change the slide i would like to display a message box
> which displays the slide number to which it has been changed.