211. StackView Demo

import UIKit @IBDesignable class DLView: UIImageView { @IBInspectable var borderColor: UIColor = UIColor.clearColor() { didSet { layer.borderColor = borderColor.CGColor layer.masksToBounds = true } } @IBInspectable var borderWidth: CGFloat = 0 { didSet { layer.borderWidth = borderWidth layer.masksToBounds = true } } @IBInspectable var cornerRadius: CGFloat = 0 { didSet { layer.cornerRadius = cornerRadius layer.masksToBounds = true } } }