Re: How to update UI from a background thread
Re: How to update UI from a background thread
- Subject: Re: How to update UI from a background thread
- From: Dave <email@hidden>
- Date: Thu, 22 Sep 2016 17:09:30 +0100
Ok, will do thanks a lot. The AppleScript is/should be on the Main Thread. I am assuming that the App the Script has finished when it returns but maybe that is not the case. I will look into that too.
Thanks a lot for your help.
Cheers
Dave
> On 22 Sep 2016, at 16:42, Jens Alfke <email@hidden> wrote:
>
>
>> On Sep 22, 2016, at 5:20 AM, Dave <email@hidden <mailto:email@hidden>> wrote:
>>
>> So I’m wondering if it is something to do with the AppleScript handling?
>
> AFAIK, AppleScripts can only be run on the main thread. But it’s been many OS releases since I worked with them. Even if it’s legal to run them from a background thread now, they might be doing something like dispatching the actual execution to the main thread? (I’m just speculating.)
>
> Anyway, if the main thread is unresponsive, then drop into the debugger and look at its stack to see what it’s blocked in. Experiment.
>
> —Jens
>
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