Updating the UI while converting databases to V5

[Ruslan Zasukhin]

On 3/20/13 5:25 PM, "jda" <jda at his.com> wrote:

>> Hi Jon,
>> 
>>> Hi Ruslan,
>>> 
>>> i'm getting feedback from users whose dbs are being converted from 4.x to
>>> 5.x.
>>> It can take quite some time for large databases (minutes), and when the
>>> spinning wheel cursor appears they think my app has hung and force-quit. How
>>> can I put up a dialog that  shows the update is still working (e.g. a barber
>>> pole control)?
>> 
>> API have functions to check version format of db yet before open.
>> Then you can show dialog and infinite progress bar at least.
>> 
>> 
> 
> Hi Ruslan,
> 
> But Valentina doesn't appear to yield time to the UI -- the progressbar
> doesn't update.

Even if you will start

ThreadMain
   progress bar
   
   start thread 2
            call db.open that convert some time

??

I think thread2 will be busy by Valentina Task
And thread1 will update infinite progress bar



-- 
Best regards,

Ruslan Zasukhin
VP Engineering and New Technology
Paradigma Software, Inc

Valentina - Joining Worlds of Information
http://www.paradigmasoft.com

[I feel the need: the need for speed]