Inside Macintosh: Macintosh Toolbox Essentials
You can specify your own window color tables as resources of type 'wctb' .
Ordinarily, you should not define your own window color tables, unless you have some extraordinary need to control the color of a window's frame or text highlighting. To assign a table to a window when you create the window, provide a window color table ( 'wctb' ) resource with the same resource ID as the 'WIND' resource from which you create the window.
The window color table resource is an exact image of the window color table data structure. Figure 3-3 illustrates the contents of a compiled 'wctb' resource.
Figure 3 Structure of a compiled window color table ( 'wctb' ) resource
A compiled version of a window resource contains the following elements: