title: How to show a custom error or warning message box in .NET Winforms?
body: <p>How can I show message boxes with a &quot;Ding!&quot; sound and a red 'close' button in it? This is what I'm talking about:</p>
  <p><a href="https://i.stack.imgur.com/FEweg.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FEweg.jpg" alt="screenshot" /></a></p>
  <p>I'm trying to create some custom errors and warnings, but this:</p>
  <pre><code>MessageBox.Show(&quot;asdf&quot;);
  </code></pre>
  <p>doesn't seem to give me any customization options.</p>