Legacy Document

Important: The information in this document is obsolete and should not be used for new development.

Inside Macintosh: Macintosh Toolbox Essentials /

Chapter 4 - Window Manager / Window Manager Reference

The Window Definition Function Resource
Window definition functions are stored as resources of type 'WDEF'. The 'WDEF' resource is simply the executable code for the window definition function.
The two standard window definition functions supplied by the Window Manager use resource IDs 0 and 1.