====== LISTBOX Control ====== The LISTBOX is a Windows control that contains a list of items from which a user can usually select one or more items. Developer Notes 1. Equated constants for the ListBox control can be found in the PS_LISTBOX_EQUATES insert record. 2. Equated constants the Windows API ListBox messages and styles can be found in the MSWIN_LISTBOX_EQUATES insert record. ListBox items – note on styles etc.