title: c# datagridview column autosizemode
body: <p>I wish that by default the columns uses the </p>
  
  <pre><code>AutoSizeMode = DisplayedCells;
  </code></pre>
  
  <p>but I wish also the possibility to resize the columns, but <code>DisplayedCells</code> type doesn't allow to resize..</p>
  
  <p>any ideas?</p>