PresentationElapsedTime Property

Returns the number of seconds that have elapsed since the beginning of the specified slide show. Read-only Long.

Example

This example goes to slide seven in slide show window one if more than five minutes have elapsed since the beginning of the slide show.

With SlideShowWindows(1).View
    If .PresentationElapsedTime > 300 Then
        .GotoSlide 7
    End If
End With