title: UIButton selection color
body: <p>I am drawing custom a UIButton and want to set the blue color when it is highlighted. How can I achieve this?</p>
  
  <pre><code>UIButton *myButton = [UIButton buttonWithType:UIButtonTypeCustom];
  [myButton setBackgroundImage:[[UIImage imageNamed:@"test.png"] stretchableImageWithLeftCapWidth:100 topCapHeight:0] forState:UIControlStateNormal];
  </code></pre>