The component is used to create the Code 25 Invert barcode symbol. It's defined in the pCode25Inv unit.
The Code 25 Invert barcode symbology is known as Invert, 25 Invert, 2of 5 Invert, 2/5 Invert, etc. It is a low-density variable-length numeric-only symbology. And it is a variation of Code 25 Industrial barcode symbology.
(*): The Data property, OnInvalidDataLength and OnInvalidDataChar events are available only for the Delphi/C++ Builder 2009 or later.