I appreciate your help very much. And thank you very very much for your 
advice.

> This is basic C++.
> Once you allocate something on the heap using new in some part of the 
code you will have to delete it.
> Wt gurentees that it mangaes all memory, and deletes the widgets at the 
end of the session.
> I suggest you to read about RAII and take a close look at smart 
pointers, especially boost's shared_ptr.
> Think about it, if you allocate some object without deleteing it (some 
non-related Wt object for example) there is no reason it won't cause a 
memory leak.
> If you are on linux I also suggest you to use valgrind to inspect such 
things, it will prove you that there is no memory leak in the code.

> 2010/3/8  <[email protected]>

> Hey, omer 

> So, if no Wt, It will cause memory leak, yes? 
> If I want to my class can do this kind of function call, what 
> can I do? 
> > This will not cause any memory leak because Wt handles all memory. 
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