title: Tick event, direct use
body: <p>I want to do some code every tick.</p>
  
  <pre><code>timer.Tick += new EventHandler(TabPage tab = new TabPage(Convert.ToString("test"));)
  </code></pre>
  
  <p>But this is wrong, I don't remember how do this correctly.</p>
  
  <p>I do not want to call any other class/void, I want do some code directly in EventHandler.</p>