There are three basic types of objects on the primary window: windows, panes, and controls. See "App Builder Primary Window" ," for descriptions of each of the objects.
The windows in App Builder are:
File selection dialog
The panes in App Builder are:
Draw area pane
The controls in App Builder are:
Check box (Choice object)
List (scrolling list)
Option menu (Choice object)
Radio box (Choice object)
*The menu bar is not a control, but it is on the Controls palette. It can only be dropped on a main window.