title: How to align button on wpf treeview
body: <p>Hi i am looking for a way to align the buttons in my treeview so that it will look like in the same column even if it is in any level.
  Eg:</p>
  
  <pre><code>Item1 [Button]
   Item2 [Button]
  Item3[Button]
  </code></pre>
  
  <p>i want it to look like</p>
  
  <pre><code>Item1  [Button]
   Item2 [Button]
  Item3  [Button]
  </code></pre>
  
  <p>Any way that i can do this..? </p>