"Marc Tompkins" <[EMAIL PROTECTED]> wrote
Can you explain what you mean by the diffrence between the size
used versus the size of the image?
Disk space is allocated in large units (in DOS/Windows they're
called
"clusters", *nixes call them "blocks").
Ah yes, indeed it is. And in a previous life I even used
to care about such things!
Nowadays I've gotten used to disk space being so
cheap and plentiful I confess I'd forgotten all about
the diffrences and their significance.
Thanks for the reminder Marc.
As to finding disk usage on Windows I found this
snippet on an MSDN forum:
------------------
If you want the size of the file on disk when compressed or sparse
then you have to use Platform/Invoke to call GetCompressedFileSize
as I don't believe .NET exposes this method directly. Furthermore
this doesn't give you the actual size on disk if it isn't compressed.
For that I believe you'd have to determine how many clusters it
takes up and multiply that by the cluster size. I don't believe
there is any direct way in Windows to do that but WMI might
provide a way. Nevertheless this is not what you'd want to
use as it'll also contain unused bytes of data.
---------------------
Which is rather scary...
Alan G
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