word满屏水印 - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

请问下老师,下面这个可以修改成满屏水印吗?

Dim app As New MSWord.Application
try
    Dim fileName = "d:\test.doc"
    Dim doc = app.Documents.Open(fileName)

    app.ActiveWindow.Selection.Range.Select()
    doc.Application.ActiveWindow.ActivePane.View.SeekView = MSWord.WdSeekView.wdSeekCurrentPageHeader
    app.Selection.HeaderFooter.Shapes.AddTextEffect(1, "公司绝密", "宋体", 1, False, False, 0, 0).Select
    app.Selection.ShapeRange.Name = "PowerPlusWaterMarkObject1"
    app.Selection.ShapeRange.TextEffect.NormalizedHeight = False
    app.Selection.ShapeRange.Line.Visible = False
    app.Selection.ShapeRange.Fill.Visible = True
    app.Selection.ShapeRange.Fill.Solid
    app.Selection.ShapeRange.Fill.ForeColor.RGB = RGB(192, 192, 192)
    app.Selection.ShapeRange.Fill.Transparency = 0.5
    app.Selection.ShapeRange.Rotation = 315
    app.Selection.ShapeRange.LockAspectRatio = True
    app.Selection.ShapeRange.Height = app.CentimetersToPoints(4.13)
    app.Selection.ShapeRange.Width = app.CentimetersToPoints(16.52)
    app.Selection.ShapeRange.WrapFormat.AllowOverlap = True
    app.Selection.ShapeRange.WrapFormat.Side = MSWord.WdWrapSideType.wdWrapBoth
    app.Selection.ShapeRange.WrapFormat.Type = 3
    app.Selection.ShapeRange.RelativeHorizontalPosition = MSWord.WdRelativeVerticalPosition.wdRelativeVerticalPositionMargin
    app.Selection.ShapeRange.RelativeVerticalPosition = MSWord.WdRelativeVerticalPosition.wdRelativeVerticalPositionMargin
    app.Selection.ShapeRange.Left = -999995
    app.Selection.ShapeRange.Top = -999995
    app.ActiveWindow.ActivePane.View.SeekView = MSWord.WdSeekView.wdSeekMainDocument
    doc.save
    app.Visible = True
    'app.quit
catch ex As exception
    msgbox(ex.message)
    app.quit
finally
    'app.Quit
End try

主题：word满屏水印