Re: WTL, GUI and Thread

Just PostMessage a WM_SETTEXT to the window handle of the status window. You pass that window handle to the worker thread at init.

http://msdn.microsoft.com/en-us/library/ms632644(VS.85).aspx

Use post message instead if sendmessage. Just make sure the memory where the string is placed doesn't go away before the Post is processed.

--- In [email protected], "Konstantin Mironovich" <const@...> wrote:
>
> counter-example (for the case) before clause "see also"
> 
> -km
>   ----- Original Message ----- 
>   From: Johann Gerell
>   To: [email protected]
>   Sent: Friday, December 04, 2009 2:56 PM
>   Subject: RE: [wtl] WTL, GUI and Thread
> 
> 
> 
>   Ehum?
> 
>   Are you calling PostMessage overcomplicated and mentioning
>   IBindStatusCallback as a counter-example, all in the same breath?
> 
>   That's a higher sense of humor.
> 
>   Your example of volatile gives little information on how a GUI thread can 
> be
>   notified of a change to it. You still need to communicate between the
>   threads. Atomically changing volatile data has some use, but it's (as you
>   sort of mention) limited to lock-free scenarios.
> 
>   /Johann
> 
>   -----Original Message-----
>   From: [email protected] [mailto:[email protected]] On Behalf Of
>   Konstantin Mironovich
>   Sent: den 4 december 2009 12:09
>   To: [email protected]
>   Subject: Re: [wtl] WTL, GUI and Thread
> 
>   seems overcomplicated.
> 
>   volatile int statusID; // will be enough for current case.
> 
>   statusID = STATUS_XXX; // is atomic operation so any lock is not needed
> 
>   see also IBindStatusCallback as a good example of how a status info could 
> be
>   http://msdn.microsoft.com/en-us/library/ms775060(VS.85).aspx
> 
>   -km
>   ----- Original Message ----- 
>   From: Johann Gerell
>   To: [email protected]
>   Sent: Friday, December 04, 2009 10:29 AM
>   Subject: RE: [wtl] WTL, GUI and Thread
> 
>   http://www.codeproject.com/KB/threads/usingworkerthreads.aspx
> 
>   -----Original Message-----
>   From: [email protected] [mailto:[email protected]] On Behalf Of Andrey
>   Sergienko
>   Sent: den 4 december 2009 07:42
>   To: Dick Dievendorff
>   Subject: Re[2]: [wtl] WTL, GUI and Thread
> 
>   Hello.
> 
>   Can you, please, put a piece of code here for example or give me a link
>   where to read about that?
>   Thanks!
> 
>   > Your long-running thread can't make UI function calls. But it can issue
>   > PostMessage to put user-defined status update messages onto the message
>   > queue of your UI thread.
> 
>   -- 
>   Regards
>   Andrey mailto:andrey.sergienko@...
> 
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> 
>    
> 
> 
> [Non-text portions of this message have been removed]
>




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