UISwitchRealSize.swift

import UIKit


var toggleSwitch = UISwitch()

var realFrame : CGRect?

let frame = toggleSwitch.frame
let bounds = toggleSwitch.bounds
let subViews = toggleSwitch.subviews

let internalView = subViews.first!

let internalSubViews = internalView.subviews

for i in 0..<internalSubViews.count {
    
    guard let imageView = internalSubViews[i] as? UIImageView else {
        continue
    }
    
    realFrame = imageView.frame
    
}