Message de Soumen banerjee <[email protected]>:
> In the files attached, mainwindow.cpp has the following line
>
> connect(ptr,SIGNAL(setlabel(int)),this,SLOT(setLabel(int)));
>
> where ptr is of type mythread* which is derived from QThread
> the application compiles without error but on running, quits with
> segfault. Omitting the connect line solves the problem but removes all
> the functionality. How do you connect these together?
> Regards
> Soumen
>
Hi,
In mainwindow.cpp when you call connect, ptr is undefined, causing the
segfault.
Putting the two lines in this order solves the problem :
ptr=new mythread(this);
connect(ptr,SIGNAL(setlabel(int)),this,SLOT(setLabel(int)));
Hope this helps.
Gilles
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