It's close, but it needs to be able to prevent clicking on the Uninstall
button and then the Repair button. Since the action doesn't even happen
until after the update check, I'm not sure if the user should even be able
to click Install/Uninstall/Repair until it's finished.
On Mon, Apr 13, 2015 at 3:18 AM, Hoover, Jacob <jacob.hoo...@greenheck.com>
wrote:
> https://github.com/jchoover/wix3/tree/WIXBUG4512
>
>
>
> This is a single shot relay command, where the user should not be able to
> mash the button multiple times for install, repair, uninstall.
>
>
>
>
> ------------------------------
> *From:* Hoover, Jacob [jacob.hoo...@greenheck.com]
> *Sent:* Saturday, April 11, 2015 11:09 PM
> *To:* Windows Installer XML toolset developer mailing list
> *Subject:* [WiX-devs] Issue 4512: WiX BA allows multiple clicks of
> Install button while update check is running
>
> http://wixtoolset.org/issues/4512/
>
>
>
> Technically any enabled button would allow multiple clicks between
> DetectBegin and DetectComplete. The question I have, is shouldn't any
> installation state info passed in DetectBegin also be passed in
> DetectComplete? I know in 3.x we can't modify the signature, but to me we
> shouldn't be proclaiming the overall bundle state until after detection is
> done.
>
>
>
> In 3.x, either I could introduce a new state indicator,
> DetectedAbsentInstalling, which would indicate the button was clicked, or a
> local member variable in the installation view model that would prevent the
> double invocation. Which ever pattern we favor, I think we should also
> apply it to the Repair and Uninstall commands.
>
>
>
> Even with the detected state not being "available" until DetectComplete,
> it's almost as if we need a OneShotRelayCommand class to only allow a
> single invocation, and if a user is able to abort out the OneShotRelay
> should be reset.
>
>
>
> Thoughts?
>
>
>
> Thanks,
>
> Jacob
>
>
>
>
>
>
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