日期:2008-11-08  浏览次数:21232 次

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  ':::   BMP, GIF, JPG and PNG                                     :::
  ':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
  ':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
  ':::                                                             :::
  ':::  This function gets a specified number of bytes from any    :::
  ':::  file, starting at the offset (base 1)                      :::
  ':::                                                             :::
  ':::  Passed:                                                    :::
  ':::       flnm        => Filespec of file to read               :::
  ':::       offset      => Offset at which to start reading       :::
  ':::       bytes       => How many bytes to read                 :::
  ':::                                                             :::
  ':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
  function GetBytes(flnm, offset, bytes)
     Dim objFSO
     Dim objFTemp
     Dim objTextStream
     Dim lngSize
     on error resume next
     Set objFSO = CreateObject("Scripting.FileSystemObject")
     
     ' First, we get the filesize
     Set objFTemp = objFSO.GetFile(flnm)
     lngSize = objFTemp.Size