Got it, Thank you Remy.
Bear
"Remy Lebeau (TeamB)"
<no.spam@no.spam.com>wrote:45e3d884@newsgroups.borland.com...
>
> "Bear" <bear@nobody.com> wrote in message
> news:45e39900@newsgroups.borland.com...
>
>> I want to download via multi threads.
>
> Then you need to run multiple FTP connections. A single connection
> can only download 1 file at a time.
>
>> Each download thread only download a Part via idFTP.
>
> The FTP protocol does not support the type of fine tuning that is
> required for such an operation. You can tell a download where to
> start from, but not where to end. You would have better luck using
> HTTP v1.1 instead, which supports ranged transfers.
>
>> But idFTP will use TIdIOHandler.ReadStream:
>
> So? TidFTP supports downloading files beginning at a specified
> offset.
>
>> It always set the Stream Size to the Position.
>
> As it should be. It is making sure that the stream matches the data
> that was actually transferred.
>
>> How to avoid this?
>
> You can't.
>
>> Is there are feature to allow idFTP only download a part of a remote
>> file to a part of a local file?
>
> Not to the degree needed for what you are asking for.
>
>
> Gambit
