
User Actions 9 457
elements that reflect the world of gene splicing, money sup-
ply management, and the like. Apple is not going to have wid-
gets for you, so there is no point looking.
In short:
1. Use the standard interface elements.
2. Do not redefine them.
Q
Implement new interface elements that are specific to
your application and its world.
Apple's User Experience Web page (http://developer.ap-
ple.com/ue/) contains a host of documentation as well as ref-
erences to sample code. In particular, the
Aqua Human
Interface Guidelines
(downloadable in a PDF file) are essential
to any developer. During the development of Mac