利用FSO取得BMP，JPG，PNG，GIF文件信息(大小，宽、高等)

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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            :::

补充：asp教程,高级应用