PresentationClose Event Example
This example saves a copy of the active presentation as an HTML file, with the same name and within the same folder.
Private Sub App_PresentationClose(ByVal Pres As Presentation)
    FindNum = InStr(1, Pres.FullName, ".")
    HTMLName = Mid(Pres.FullName, 1, FindNum - 1) _
        & ".htm"
    Pres.SaveCopyAs HTMLName, ppSaveAsHTML
End Sub