title: Custom UI slider , Thumb image size issue
body: <p>As I'm making a custom slider , Every thing is working fine . As I have an thumb image having width and height of 30x70. But when i implement the image it change its orientation by itself and displaying in 70x30 . </p>
  
  <p>I tried changing the image also but the Thumb slider comes in 70x30. I want to show image in vertical but it displays in horizontal in <code>UISlider</code> . </p>
  
  <p>Can any one help?</p>
  
  <pre><code> [self setThumbImage:[UIImage imageNamed:@"slider.png"] forState:UIControlStateNormal];
  </code></pre>