Qt messagebox and a question about front-ends

[Prasanna Krishnan]

Hi. I have 2 questions:
I'm writing a front-end for my program and I just wanted to clear up a
doubt. A front end is just a GUI version that still makes a system call
to the actual program when the time comes, correct? It doesn't contain
code from the actual program, just a command to launch the CLI, correct? 

Also, in a Qt messagebox, how do I get a variable's contents to appear
as text. Let's say I have a character variable, s, that has the word Hi
in it. How do I put the contents of s in the messagebox properties. When
I create it, I set all the attributes but if I put a variable where it
takes text, it doesn't run. 

Thanks in advance.
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