title: How to use reflector to view the implementation of .NET library functions
body: <p>I tried to see the implementation of <code>[MethodImpl(MethodImplOptions.InternalCall)]
  public extern int get_Length();</code> function, which in turn is Length property of string.</p>
  
  <p>But reflector gave me the following error:</p>
  
  <blockquote>
    <p>The member is not loaded or may be hidden due to your visibility settings</p>
  </blockquote>
  
  <p>However the member is loaded and the visibility settings is ALL</p>