Enabling buttons
<p>Problem,</p>

<p>with a UIButton, I can do this:</p>

<pre><code>myButton.enabled = YES;
       or 
myButton.enabled = NO;
</code></pre>

<p>However, I can't do the same with a UIBarButtonItem (navigation bar buttons,)</p>

<p>So, how do I stop the user clicking it? </p>
