i use glade-2

and after do my interface i have edit signal function

void window1::on_butto_scan_clicked()
{  
Glib::ustring my_ustring_ip;
my_ustring_ip = ip->get_text();
result->set_text(& my_ustring_ip);
//Glib::RefPtr<Gtk::TextBuffer> my_TextBuffer;
//my_TextBuffer = Gtk::TextBuffer::create();


}