//

import UIKit

protocol myProtocol {
    func mySmile(_ controlPoint: CGPoint)
}


class ViewController3: UIViewController {

    var delegate: myProtocol?
    
    
    @IBOutlet weak var smileSlider: UISlider!
    
    @IBAction func goback2(_ sender: UIButton) {
        let controlPoint = CGPoint(x: CGFloat(smileSlider.value), y: 50)
        delegate?.mySmile(controlPoint)
        dismiss(animated: true, completion: nil)
        
    }
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}