title: Dotnetbar Tab Control TabItem Closing Prompt
body: <p>I am using dotnetbar with visual studio 2010.</p>
  
  <p>I added dotnetbar tabcontrol to my form, with close buttons on tabs visible.
  I just wanna get a message box prompt, when closing a tab by clicking on their close button on the tab, whether to close it or not.
  If "Yes" clicked, tab closes.... else not.</p>
  
  <p>I can't find a close button click event or any other method to do that.</p>