SlideShowWindows Property
Returns a SlideShowWindows collection that represents all open slide show windows. Read-only.
For information about returning a single member of a collection, see Returning an Object from a Collection.
Example
This example runs a slide show in a window and sets the height and width of the slide show window.
With Application
.Presentations(1).SlideShowSettings.Run
With .SlideShowWindows(1)
.Height = 250
.Width = 250
End With
End With