The component is used to create the Australia Post 4-State Customer Barcodes symbol. It's defined in the pAP4SC unit.
The barcode is also known as the 4-State barcode. It is used by Australia Post for Postal code and automatic mail sorting.
The Australia Post uses seven different formats of PostBar codes. They are specified in the following:
Character "11"
Length: 8 characters; Characters set: "0"-"9"
Character "59"
Length: 8 characters; Characters set: "0"-"9"
Length: 0-8 characters; Characters set: "0"-"9"
Length: 0-5 characters; Characters set: "0"-"9", "A"-"Z", "a"-"z", "#" and " " (space)
Character "62"
Length: 8 characters; Characters set: "0"-"9"
Length: 0-15 characters; Characters set: "0"-"9"
Length: 0-10 characters; Characters set: "0"-"9", "A"-"Z", "a"-"z", "#" and " " (space)
Character "45"
Length: 8 characters; Characters set: "0"-"9"
Character "87"
Length: 8 characters; Characters set: "0"-"9"
Character "92"
Length: 8 characters; Characters set: "0"-"9"
Character "44"
Length: 8 characters; Characters set: "0"-"9"
Length: 0-15 characters; Characters set: "0"-"9"
Length: 0-10 characters; Characters set: "0"-"9", "A"-"Z", "a"-"z", "#" and " " (space)
(*): The Data property, OnInvalidDataLength and OnInvalidDataChar events are available only for the Delphi/C++ Builder 2009 or later.