import UIKevent

barButton.onClick {_ in
    print("BarButtonItem Clicked");
};

button.onClick { (btn) in
    print("Button clicked");
}

switchControl.onChange(handler: { ctrl in
    print("UISwitch changed");

})

slider.onChange { (sld) in
    print("slider change to \(sld.value)");
}

stepper.onChange { (obj) in
    print("stepper change to \(obj.value)");
}

segControll.onChange { (obj) in
    print("seg change to \(obj.selectedSegmentIndex)");
}