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the second is to hold on the stream and send it back on a postback.
Wisej supports both. The temp file is also automatically deleted as soon as it's downloaded. However, access to the temp file download system is not exposed and it's used internally with Application.Download(Image). Added enhancement to expose Application.Download(Stream): WJ-7380.
To handle postbacks on any component you need to implement the IWisejHandler interface. It gives you total control on what to return and how. See attached sample app. Any component (also non visual) can implement that interface.
Activity
itg-assistant commentedon Jun 12, 2026
Luca answered 2016-06-27 20:38:40 UTC
There are fundamentally two ways:
the first is to save to a temp file.
the second is to hold on the stream and send it back on a postback.
Wisej supports both. The temp file is also automatically deleted as soon as it's downloaded. However, access to the temp file download system is not exposed and it's used internally with Application.Download(Image). Added enhancement to expose Application.Download(Stream): WJ-7380.
To handle postbacks on any component you need to implement the IWisejHandler interface. It gives you total control on what to return and how. See attached sample app. Any component (also non visual) can implement that interface.
HTH
Best,
Luca
itg-assistant commentedon Jun 12, 2026
Cris answered 2016-06-28 13:55:46 UTC
Hi Luca,
It works.
Thanks.
itg-assistant commentedon Jun 12, 2026
Frank (ITG) answered 2016-06-29 07:35:32 UTC
Hi Cris,
Download(Stream) has been added in Wisej build 1.2.14 (as logged in WJ-7380)
Best regards
Frank