>>>>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.
>
>You're not really creating a subclass then.

So how do you visually subclass a control then?