TStringList.Duplicates

property Duplicates: TDuplicates
 Access mode: RW

Description

Duplicates describes what to do in case a duplicate value is added to the list:

• dupIgnore: Duplicate values will not be be added to the list, but no exception will be triggered.
• dupError: If an attempt is made to add a duplicate value to the list, an exception occurs.
• dupAccept: Duplicate values can be added to the list.

If the stringlist is not Sorted, the Duplicates setting is ignored.