Displays the (definition type) dialog box: see Browsing, selecting, and dragging.

This dialog box lists all objects appropriate for the list box from which it was invoked. For example, if it is invoked from a list box defined as an ExpressionOf Data, a ListOf Data, or OneOf Data, the dialog box contains all data elements and data structures defined in the dictionary. If the dialog box is defined as OneOf "Booch Class", for example, the list contains all Booch Class definitions in the dictionary.