Progress
Language Reference
FIRST-CHILD Attribute
The handle of the first widget created in the container widget or the current session.
Data Type: WIDGET-HANDLEAccess: ReadableApplies To: Dialog-box, Field-group, Frame, Menu, Sub-menu, Window, SESSION System HandleYou can use the FIRST-CHILD attribute to find the first entry in a list of all frames and dialog boxes in a window, all field groups in a frame or dialog box, all widgets in a field group, all menu items in a menu or submenu, or all windows in a Progress session (SESSION handle). After finding the first entry, you can find the remaining entries in the list by using each widget’s NEXT-SIBLING attribute.
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