ps.Document.righttoleftlayout = true не работает в dev express почему?

Question

Private Sub GridView1_PrintInitialize(sender As Object, e As DevExpress.XtraGrid.Views.Base.PrintInitializeEventArgs)
    Dim ps As PrintingSystemBase = e.PrintingSystem
    ps.Document.righttoleftlayout=true
End Sub

ps. Документ. righttoleftlayout = true не работает почему ????