title: Hide listview header programmatically
body: <p>I have a <code>ListView</code> like:</p>
  
  <pre>
  Col1  Col2  Col3
  1      A     I
  2      B     II
  3      C     III 
  </pre>
  
  <p>I use 2 buttons. When I click on the first button the Col3 should collapse and it should be visible when a click in the second button.</p>
  
  <p>Any idea on how to do such a <code>ListView</code> in WPF?</p>