[delphizip] Re: Zip Disappears midway
- From: R Peters <rpeters@xxxxxxxxxxxxx>
- To: delphizip@xxxxxxxxxxxxx
- Date: Wed, 4 Aug 2010 11:02:46 +1000
I would have thought (hoped) so but there were too many complaints when that
flag was used - mainly because it meant in-use files (mainly Outlook files)
could not be zipped.
Perhaps for future versions I need an extra AddOption (addShareAny) so the
default case would be to use the logical FILE_SHARE_READ.
Russell Peters
On Wed, Aug 4, 2010 at 10:06 AM, James Turner <james.d.h.turner@xxxxxxxxxxxx
> wrote:
> Surely, if the file being compressed is opened using FILE_SHARE_READ
> this would ensure that it does not change while compression is taking
> place.
>
> -- James Turner
>
>
> R Peters wrote:
> > I need to set up a proper test but checking the code you will only get
> that
> > warning if it managed to open the file but the file length is altered
> while
> > the dll is compressing it.
> > It is only supposed to be a warning so does not generate an OnSkipped
> event
> > (the file was zipped although it is likely the contents is wrong).
> >
> > For some reason you seem to be getting a fatal error afterward which
> would
> > be the reason compression is aborted.
> >
> > A few questions to set up a test-
> > 1. What version of Windows?
> > 2. What error does it finish with (preferably the DllError).
> > 3. Does it happen each time.
> > 4. Are you encrypting to the file.
> >
> > It is never a good idea to zip an in-use file, also not a good idea to
> rely
> > on file access settings to prevent zipping.
> > Russell Peters
> >
> > On Tue, Aug 3, 2010 at 6:16 PM, Allan Fernandes <
> allan_fernandes@xxxxxxxxxxx
> >
> >> wrote:
> >>
> >
> >
> >> Hi Russell,
> >>
> >> During compression, if any one File is open exclusively then OnMessage
> >> event
> >> gives 'File Size changed while zipping' and the control does not come
> into
> >> OnSkipped event. I have tried making all the NoSkipping options=True.
> >>
> >> Worst still, is that the compression is aborted and Zip disappears.
> >> Please treat this matter as urgent.
> >>
> >> I am using Delphi 2007 with ZipMaster 1.9.0.0095
> >>
> >> Regards
> >> Allan
> >>
> >>
> >>
> >>
> >>
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> >>
> >>
> >
> >
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