[VBA程序]： 帮忙看看这一点程序,关于打印的问题,有何不妥!

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Private Sub cmdOk_Click()
    Dim adText As AcadText
    Dim adMText As AcadMText
    Dim adSS As AcadSelectionSet
    Dim fType(0 To 1) As Integer, fData(0 To 1)
    Dim i As Integer
    Dim origin(0 To 1) As Double
    origin(0) = 10: origin(1) = 6
       If lstfile.ListCount = 0 Then
        MsgBox "请添加所要打印的柱状图！"
        Exit Sub
    End If
               
    '打开图形进行操作
    For i = 0 To lstfile.ListCount
        Application.Documents.Open lstfile.List(i)
        
        On Error Resume Next
        frmMain.Hide
        '创建新选择集
               '开始打印
        ZoomExtents
        ThisDrawing.ModelSpace.Layout.ConfigName = "HP LaserJet 5000 Series PCL6.pc3"
        ThisDrawing.ModelSpace.Layout.StyleSheet = "柱状图.ctb"
        ThisDrawing.ModelSpace.Layout.PaperUnits = acMillimeters
        ThisDrawing.ModelSpace.Layout.PlotOrigin = origin
        ThisDrawing.ModelSpace.Layout.CanonicalMediaName = "A4"
        ThisDrawing.ModelSpace.Layout.StandardScale = ac1_1
        ThisDrawing.ModelSpace.Layout.PlotRotation = ac0degrees
        ThisDrawing.ModelSpace.Layout.PlotType = acExtents
        ThisDrawing.Regen acActiveViewport
        ThisDrawing.Plot.DisplayPlotPreview acFullPreview
        'ThisDrawing.Plot.PlotToDevice
        '关闭图形
        Application.ActiveDocument.Save
        'Application.ActiveDocument.Close True, lstfile.List(i)
    Next i
End Sub

在这儿ThisDrawing.ModelSpace.Layout.PaperUnits = acMillimeters我这儿我设置的图纸的尺寸以mm为单位了,也regen了,为什么实际上预览图纸的时候是以英寸为单位的呢?各位高手有谁也预见了同样的问题呢!

zzg123good

"请添加所要打印的柱状图！"是什么意思？