The component is used to create the Code 25 Matrix barcode symbol. It's defined in the pCode25Mat unit.
The Code 25 Matrix barcode symbology is also known as Matrix 2 of 5, 2 of 5 Matrix, 2/5 Matrix, etc. It is a higher-density variable-length numeric-only barcode symbology based upon the Code 25 Industrial barcode symbology. It is used primarily for warehouse sorting, photo finishing, and airline ticket marking.
(*): The Data property, OnInvalidDataLength and OnInvalidDataChar events are available only for the Delphi/C++ Builder 2009 or later.