The ComboBox class

The ui.ComboBox class provides an interface to the COMBOBOX form field view in the abstract user interface tree.

In .per form specification files, a COMBOBOX form field defines both a form field and a view for that model. The ui.ComboBox class is an interface to the view of a COMBOBOX form field. It is typically used to configure the widget dynamically in programs, for example to create the list of items shown in the drop down box.