title: Which type is the X and Y position of a UIButton in Xcode?
body: <p>I am trying to read the current valkue of X and Y position of a UIButton using something like:</p>
  
  <pre><code>button01.frame.origin.x
  </code></pre>
  
  <p>if I want to put it in a variable, which data type is it? I have tried NSInteger and NSDecimal but they gave me errors...</p>