This example turns off the entry effect and automatic advance timing slide show transition effects for slides one through four at the end of the slide show. It also sets the slides to advance manually.
Private Sub App_SlideShowEnd(ByVal Pres As Presentation)
With Pres.Slides.Range(Array(1, 4)) _
.SlideShowTransition
.EntryEffect = ppEffectNone
.AdvanceOnTime = msoFalse
End With
With Pres.SlideShowSettings
.AdvanceMode = ppSlideShowManualAdvance
End With
End Sub