Where can I find information on creating an editor for Desing-time mode?

Question

C++ / C#

There is a class that needs to be edited just like a form.
That is, add and remove controls, change their values, and so on.

Can't find information or examples.
Thanks in advance

Answer 1

on msdn , of course. There are more examples in vs sdk, specifically this one http://code.msdn.microsoft.com/Designer-View-Over-XML-20a81f17