[Qt-interest] XQueryTree was not declared in this scope

[Pete Black]

Wing Wong wrote:
> Hi,
> 
>  
> 
> I am trying to use some native X APIs (e.g. XQueryTree) inside my Qt
> application on Linux, but the compiler gave me an error saying
> 
> “XQueryTree was not declared in this scope”. How can I resolve this issue?
> 
>  
> 
>  
> 
>  
> 
> Regards,
> 
>  
> 
>  
> 
> Wing
> 
>  
> 
> 
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Hi Wing,

Try including <X11/Xlib.h> and making sure the compiler and linker has
the proper paths. I have -I/usr/X11R6/include passed to the compiler and
-L/usr/X11R6/lib64 and -lX11 to the linker. You might have a different
setup off course.

Best,
Pete