>>I have installed these controls http://www.componentfactory.com/free-windows-forms-controls.php
>>
>>They appear in the toolbox. How do I subclass the KryptonHeaderGroupControl? I would like to create a base level control based on it, then subclass it some more, but I don't know how to make a subclass.
>
>
>

>   using KryptonHeaderGroup...
>
>   public class MyKryptonControl : KryptonHeaderGroupControl
>   {
>      public MyKryptonControl ()
>      {
>      }
>   }
>

Actually, I created a UserControl, dropped the group on it, and there it is.