title: Why is this name with an underscore not CLS Compliant?
body: <p>Why do I get the compiler warning</p>
  
  <blockquote>
    <p>Identifier 'Logic.DomainObjectBase._isNew' is not CLS-compliant</p>
  </blockquote>
  
  <p>for the following code?</p>
  
  <pre><code>public abstract class DomainObjectBase
  {
      protected bool _isNew;
  }
  </code></pre>