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I did what you said, i chop off 95% of the code and here is the example of what is going on

main.cpp


#include "MainWindow.h"
#include <gtkmm/main.h>
#include <iostream>

int main(int...

Why could be the causes of a window cannot be closed?


I got a couple of misfuntion windows, they cannot be closed while the dialog whose create is still opened. Once the dialog whose opened...

Yes, as i said finally the solution to the problem was creating a std::string class variable. Thx all the hints anyways!

I answer it myself

the problem was that the memory that the pointer was pointing is free when the function ends, so i use a std::string as the variable in the header and then use path =...

Edited

I have a problem with some code
MyClass.h


public:
//stuff

protected:
// stuff
char * path;