The tab order of a widget within its field group.
Data type: INTEGER
Access: Read-only
Applies to: BROWSE widget, BUTTON widget, COMBO-BOX widget, CONTROL-FRAME widget, EDITOR widget, FILL-IN widget, FRAME widget, RADIO-SET widget, SELECTION-LIST widget, SLIDER widget, TOGGLE-BOX widget
You can change the tab order of the widget at the field level using the MOVE-BEFORE-TAB-ITEM( ) or MOVE-AFTER-TAB-ITEM( ) methods, and at the field group level using the FIRST-TAB-ITEM attribute or LAST-TAB-ITEM attribute.