Sub Example_ActivePViewport()
   
    Dim newPViewport As AcadPViewport
    Dim centerPoint(0 To 2) As Double
    Dim height As Double
    Dim width As Double
    height = 5#
    width = 5#
    centerPoint(0) = 5#: centerPoint(1) = 5#: centerPoint(2) = 0#
    
    ' Создайте в пространстве листа объект Viewport
    ThisDrawing.ActiveSpace = acPaperSpace
    Set newPViewport = ThisDrawing.PaperSpace.AddPViewport(centerPoint, width, height)
    ZoomAll
    newPViewport.DISPLAY (True)
    
    ' Перед созданием в пространстве листа активного Viewport,
    ' свойство mspace должно быть True
    ThisDrawing.mspace = True
    ThisDrawing.ActivePViewport = newPViewport
End Sub