I think API is the easiest way... anyways, if you want a GREAT API tutorial, go to:
http://winprog.net/tutorial/
That's how I started.
Basically, u need a dialog as a resource. Then u call CreateDialog to create that dialog. Then, u handle all the messages in the Dialog Procedure...
BTW, i want to learn MFC.. does anyone know a GOOD tutorial on the net? or a book?
Thanks....