Re: Window closed notification
Re: Window closed notification
- Subject: Re: Window closed notification
- From: Ryan Joseph <email@hidden>
- Date: Mon, 21 Jun 2010 15:51:31 -0600
On Jun 21, 2010, at 3:42 PM, James Dempsey wrote:
> Ryan,
>
> It may be helpful to keep in mind that when you use AX calls, you are essentially the client of a little 'client-server' operation. Your process is the client, the applications you are getting accessibility information about are the 'servers'.
>
> An AXUIElementRef is just a little token object. When you make an AX call and pass in the AXUIElementRef, that token is sent to the application it belongs to, and that application uses the info in the token to find the correct UI element object in the app, and then gets the appropriate accessibility info from it.
>
> Every time you ask an AXUIElementRef for something (attribute values, action names, etc.), it makes the cross-process call to the correct application. The AXUIElementRef does no caching on its own.
Yes, I see. If I need this persistent data I will need to cache it myself. Thanks.
Regards,
Josef
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