Forum Discussion

Iron Contributor

Apr 08, 2019

ClickOnce application downloads instead of directly opening the app

When opening a ClickOnce app, the *.application file gets saved to my Downloads folder instead of directly opening it. Additionally, since the file is downloaded, then opened from Downloads, it loses...

mjonestx

Copper Contributor

Jun 03, 2021

Eric_Lawrence,

Thanks for this. I can get it to work fine in an IIS site outside of SharePoint; however, it appears that SharePoint is putting that in regardless of what I try. Even if I remove it from the web.config of the IIS site, when clicking on the link to the .vsto file, it reappears in the response headers.

Any ideas on a way around that?

Eric_Lawrence

Microsoft

Jun 03, 2021

Unfortunately, no, I don't know much about SharePoint's header configuration. It looks like there's a simple UI that applies to ALL responses (https://blog.bugrapostaci.com/2019/08/23/unable-to-open-documents-using-direct-links-from-sharepoint-2019/) but to remove the token selectively for only certain types seems likely to require a custom HTTPModule (e.g. something like https://tesitgeek.wordpress.com/2016/04/07/ho-to-remove-http-response-headers-for-sharepoint-sites/)