expression.MoveAfter(Effect)
expression Required. An expression that returns one of the objects in the Applies To list.
EffectRequired Effect object. The effect after which the effect in expression will be moved.
Example
The following example moves one effect to after another.
Sub MoveEffect()
Dim effOne As Effect
Dim effTwo As Effect
Dim shpFirst As Shape
Set shpFirst = ActivePresentation.Slides(1).Shapes(1)
Set effOne = ActivePresentation.Slides(1).TimeLine.MainSequence.AddEffect _
(Shape:=shpFirst, effectId:=msoAnimEffectBlinds)
Set effTwo = ActivePresentation.Slides(1).TimeLine.MainSequence.AddEffect _
(Shape:=shpFirst, effectId:=msoAnimEffectBlast)
effOne.MoveAfter Effect:=effTwo
End Sub