Important: The information in this document is obsolete and should not be used for new development.
The Control Device Function Code Resource
A control device function code resource contains the code to implement a control panel and respond to messages from the Finder. A control device function code resource is a resource of type'cdev'
and must have a resource ID of -4064. This resource must begin with a control device function (see "Control Device Functions" beginning on page 8-75 for more information).