[Qt-interest] Problem using QWidget::winEvent

[John McClurkin]

Tony Rietwyk wrote:
> Scott wrote:
> 
>     Ok.. so have you figured out what the problem is yet?
> 
>      
> 
>     Its right in front of you…
> 
>      
> 
>     Here is a hint.. look at the memory address of param1 and param2
>     going into the SendMessage
> 
>      
> 
>     Then look at the memory address inside winEvent..
> 
>      
> 
>     Are the addresses the same?  If no why?
> 
>     Are they pointing to the same data? If no why?
> 
>      
> 
>     Heck.. Im feeling generous.. and bored.. your problem, your apps
>     don’t share memory space.. You cant do what you are trying to do…
>     You need to look at more sophisticated IPC methodologies.
> 
> 
>     Scott 
> 
>  
> 
> Hi Scott,
> 
>  
> 
> I disagree with your conclusion.  I suggest using WM_DATACOPY.  See:
> 
>  
> 
> http://msdn.microsoft.com/en-us/library/ms649011(VS.85).aspx
> 
>  
> 
> Hope that helps,
> 
>  
> 
> Tony.

In my opinion, WM_DATACOPY is one of the more sophisticated IPC 
methodologies Scott was referring to. A problem with it is that is 
platform specific.