Yes, exactly. Not the most efficient way to do things, and like you said, 
probably one of the reasons why jaws does not access Windows 7 or windows 8 as 
fast as it should.
But unfortunately, like Microsoft's own business model, jaws has not been 
stripped down and redesigned for too long. Thankfully, Microsoft decided to do 
so, in Windows 8.

Regards:
Dallas


On 03/05/2013, at 1:13, Thomas Ward <[email protected]> wrote:

> Hi Dallas,
> 
> Not only that but the way Jaws does things aren't exactly the best way
> to handle them. Take for instance the way it handles keyboard
> commands. Jaws sets a low-level keyboard hook that intercepts keyboard
> events, taking it away from the application and the operating system,
> filters them through Jaws and passes them back to the application or
> OS if it finds its not a Jaws command. Its very slow and inefficient,
> and I am certain this is a very big reason Jaws users find something
> like Windows 7 seems unresponsive. The reason is they have this very
> resource intensive TSR application called Jaws intercepting each and
> every single keyboard command, filtering through Jaws, and that causes
> a performance lag.
> 
> Now, NVDA has a totally different way of handling that issue. NVDA
> simply polls the operating system and receives keyboard events the
> same as any other application. As a result if you press control+o in
> Notepad the command is immediately dispatched to Notepad rather than
> being routed through your screen reader first, and I've noticed that
> everything is more responsive using NVDA.
> 
> Plus as you pointed out Jaws now has a bunch of old garbage that has
> probably been there since 1.0 that is no longer strictly necessary.
> Jaws has video intercept drivers which considering UI Automation .for
> WPF type applications really has no use under Windows 7/Windows 8 any
> more. So that and plenty of other things need to be removed and the
> screen reader really could use some house cleaning so to speak.
> 
> Cheers!
> 
> On 5/2/13, Dallas O'Brien <[email protected]> wrote:
>> Hi. This is only one reason why I switch to NVDA, because of the fact that I
>> could not upgrade from my old version of Jaws. It was simply getting worse
>> and worse, with me on one version, and every six months to 12 months, a new
>> version comes out with new abilities, and guess what! I can't use them.
>> This is why I gave up on Jaws, in terms of a home user Situation.
>> I can have versions of NVDA, as up-to-date, as yesterday's code.
>> LOL.
>> I understand however, that there are people that don't want to change, from
>> Jaws, but Berin mind, that a lot of your Windows 7 problems, may in fact
>> have been Jaws, not Windows 7.
>> Even when I change from windows XP, to Windows 7, I had a fact bought a
>> completely new Windows 7 laptop, and put Jaws on it, and guess what. It ran
>> slower.
>> And mind you, the laptop I bought with Windows 7 on it, was our whole lot
>> more powerful than my XP machine ever was. It had three times the RAM, and
>> at least two times the processor power. But as soon as I got rid of Jaws,
>> and used NVDA completely, it ran as fast, as three of my old XP machines put
>> together. LOL.
>> Personally, I think that if Freedom scientific stripped jaws down, and
>> redesigned it for more modern systems, much like Microsoft has done with
>> windows 8 and it's background code, I'd guess that Jaws would be a whole lot
>> better, and more responsive. I think a lot of the problem with Jaws, is that
>> it hasn't been stripped down, and a lot of code has simply built up with
>> buggy versions, on top of buggy versions. So now you have too much that's
>> conflicting, and causing problems. Much like windows used to do. But now
>> that Microsoft has redesigned windows 8 from the ground up, and stripped out
>> a lot of old code, and rubbish that was no longer needed, it runs like a
>> dream.
>> 
>> Regards:
>> Dallas
> 
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