On this page you can find a example program for creating a winamp frontend with Delphi. The first page is the source for a component. The second page is an example program with the components.
I assume that you have Delphi experience because there's no errorchecking in the component and program. I hope that if you make it a better you'll send me a copy of it.
WinampCall.pas
Uremote.pas