title: How to expand a subitems of a ListView when click into a ListView item
body: <p>I'm trying to expand a ListView subitem when i click into listview item without code, see the estructure:</p>
  
  <pre><code>TListView
        |
        |_Item-01
                |
                |_SubItem01
                |
                |_SubItem02
  </code></pre>
  
  <p>I need show the subitems when click in Item-01 but, when i add a ListView in my project and add the Items and the subitems and run the program, clicking into item-01 nothing happens, What is missing? Should not it be automatic? Thanks for any help!</p>