title: Raise a OnTextChanged event in winforms TextBox
body: <p>How can I raise an event that will call my OnTextChanged overridden method for my textbox control?</p>
  
  <p>edit:</p>
  
  <pre><code>private void thebox_TextChanged(object sender, FastColoredTextBoxNS.TextChangedEventArgs e)
  </code></pre>