- ok_btn()->clicked.connect(SigC::slot(this, &GPreamble::OKClicked));
- cancel_btn()->clicked.connect(SigC::slot(this, &GPreamble::CancelClicked));
- apply_btn()->clicked.connect(SigC::slot(this, &GPreamble::ApplyClicked));
+ ok_btn()->signal_clicked().connect(SigC::slot(*this, &GPreamble::OKClicked));
+ cancel_btn()->signal_clicked().connect(SigC::slot(*this, &GPreamble::CancelClicked));
+ apply_btn()->signal_clicked().connect(SigC::slot(*this, &GPreamble::ApplyClicked));