title: Why are some textboxes not accepting Control + A shortcut to select all by default
body: <p>I have found a few textboxes here and there in my program that accepts Control+A shortcut to select the entire text "by default" with "no coding". </p>
  
  <p>I don't know what additional information I have to give here to enable it for all of them, as I find absolutely no difference between these textboxes. They are all simple dragged and dropped textboxes.</p>
  
  <p>Note: I'm not talking about this piece of code:</p>
  
  <pre><code>if (e.Control &amp;&amp; e.KeyCode == Keys.A)
  {
      textBox1.SelectAll();
  }
  </code></pre>
  
  <p>I want selection by default... or is there anyway to change textbox property so that textboxes accept all default windows shortcuts?</p>
  
  <p>Everything else (<code>Control + Z</code>, <code>Control + X</code>, <code>Control + C</code>, <code>Control + V</code>) works by default! Why not <code>Control + A</code>?</p>
  
  <p><strong>Update:</strong> The text boxes that accepted <code>Ctrl+A</code> by default were <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.maskedtextbox%28v=vs.80%29.aspx" rel="nofollow noreferrer">masked textboxes</a>, not the regular one. And at that point I was with .NET 2.0. But <em>I guess</em> the original problem was something else, as I can see <code>Ctrl+A</code> working fine by default in .NET 2.0 code.</p>