如何检查工作簿中每个工作表的大小？

Sub WorksheetSizes()
'Update 20140526
Dim xWs As Worksheet
Dim Rng As Range
Dim xOutWs As Worksheet
Dim xOutFile As String
Dim xOutName As String
xOutName = "KutoolsforExcel"
xOutFile = ThisWorkbook.Path & "\TempWb.xls"
On Error Resume Next
Application.DisplayAlerts = False
Err = 0
Set xOutWs = Application.Worksheets(xOutName)
If Err = 0 Then
    xOutWs.Delete
    Err = 0
End If
With Application.ActiveWorkbook.Worksheets.Add(Before:=Application.Worksheets(1))
    .Name = xOutName
    .Range("A1").Resize(1, 2).Value = Array("Worksheet Name", "Size")
End With
Set xOutWs = Application.Worksheets(xOutName)
Application.ScreenUpdating = False
xIndex = 1
For Each xWs In Application.ActiveWorkbook.Worksheets
    If xWs.Name <> xOutName Then
        xWs.Copy
        Application.ActiveWorkbook.SaveAs xOutFile
        Application.ActiveWorkbook.Close SaveChanges:=False
        Set Rng = xOutWs.Range("A1").Offset(xIndex, 0)
        Rng.Resize(1, 2).Value = Array(xWs.Name, VBA.FileLen(xOutFile))
        Kill xOutFile
        xIndex = xIndex + 1
    End If
Next
Application.ScreenUpdating = True
Application.Application.DisplayAlerts = True
End Sub