[Interest] Drag-and-drop won't work with elevated privileges (Windows)

Bob Hood bhood2 at comcast.net
Thu Aug 16 23:03:25 CEST 2012

The app "providing" is the Windows desktop.  I'm just DnDing some text files
that are on the Desktop onto the application's window.  The "account" I'm
running is a user (not "Administrator") with Administrative privileges.

Clearly this is not a Qt issue, so I apologize for bringing it up here.  I had
just hoped there might be some Qt API function that would work with (or
around) it.  It's probably not going to work, which is irritating.  But that's
Windows, I guess.

On 8/16/2012 2:57 PM, Jason H wrote:
> I am going to go out on a limb here and say no. This is probably to prevent
> some kind of security hole in Windows. What happens if both the Qt app and
> the app supplying the dnd data are escalated?
> ------------------------------------------------------------------------------
> *From:* Bob Hood <bhood2 at comcast.net>
> *To:* interest at qt-project.org
> *Sent:* Thursday, August 16, 2012 12:40 PM
> *Subject:* [Interest] Drag-and-drop won't work with elevated privileges
> (Windows)
> I hardly ever run into issues I cannot overcome with (and within) Qt, so I
> don't often look for help here.  However, I'm not sure how to get past this one.
> I have a stand-alone Qt application that accepts drag-and-drops of text files
> to the main window.  It runs with the "Run as Administrator" flag set (yes, it
> must run as Administrator because it installs and manages Windows Services).
> When run with Administrator privileges, it will not accept drag-and-drop
> events.  If I turn that flag off, drag-and-drop works just fine.
> Is there a way to get Qt's DnD to work with elevated privileges enabled?  UAC
> prompted, and I authorized, so I would expect it to work as a normal
> application.
> Thanks.
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