Apple WebObjects 3.5 Tools And Techniques - Manual (Page 66)

Chapter 3 Working With Dynamic Elements
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In the object browser, means that the display group has been configured. A
means that it has not been configured, and so the variable isn’t automatically
created. A configured display group shows its keys and actions in the second
column of the object browser. You can bind them to elements in your program.
To configure a display group (or change its configuration), double-click its name
to open the Display Group Options panel.
In this panel, you specify the following information:
Unconfigured display
group (double-click to
configure). Configured
display group Display
group’s keys
Display group’s
actions.
Check to create detail display group.
Specify attribute to sort by.
Specify sort order.
Check to fetch records when
component is loaded.
Enter non-zero value to batch
records.
Select entity name