
This Symbology is used by Royal
Mail (United Kingdom) post office for Postal code and automatic mail sorting.
It provides information about the address of the receiver.
It encodes alpha-numeric characters (0-9, A-Z), as well as start and stop bar
characters. It comprises four types of bars (the four states), each of which
has a distinct name, value and barcode symbol.

Sample of a British Royal Mail 4-State Barcode
Note: Please refer to the Class
Reference documentation for more information about the properties and methods
stated in this document.
In order to get a British Royal Mail 4-State barcode image,
please follow these steps:
-
Set the Symbology property to RoyalMail
-
Setting up dimensions and quiet zones:
-
Set the Postal4StateTrackerBarWidth property to a value ranging from 0.015
to 0.025
(Values are expressed in Inches)
-
Set the Postal4StateTrackerBarHeight property to a value ranging from 0.04
to 0.06
(Values are expressed in Inches)
-
Set the Postal4StateBarsSpacing property to a value ranging from 0.015
to 0.025
(Values are expressed in Inches)
-
Set the QuietZoneWidth property to 0.08
(Value is expressed in Inches)
-
Set the TopMargin and BottomMargin properties to 0.08 (Value
is expressed in Inches)
-
Set the Code
property with the value to encode i.e. with the postcode. The value to encode
can contain numeric characters (0-9) and/or alpha characters (A-Z)
-
Barcode Professional will automatically generate the required Start & Stop
bars
-
Tip: You can rid of those bars by setting up to False the Postal4StateAddStartStopChar
property
-
Barcode Professional will automatically generate and append the checksum value
-
Tip 1: You can disable this behavior by setting up to False the AddChecksum
property
-
Tip 2: You can leave AddChecksum property set to True but
rid of the checksum value from the Human Readable text by setting up to False
the DisplayChecksum property
Note: Please refer to the Class
Reference documentation for more information about the properties and methods
stated in this document.
In order to get a British Royal Mail 4-State barcode image,
please follow these steps:
-
Set the Symbology property to RoyalMail
-
Setting up dimensions and quiet zones:
All values for barcode dimensions are expressed
in INCHES by default. However, Barcode Professional supports other unit
of measurement such as Millimeter, Centimeter, and Mils.
For modifying the unit of measurement for barcoding, please set up the BarcodeUnit
property as needed.
-
Set the Postal4StateTrackerBarWidth property to a value ranging from 0.015
to 0.025 (Values are expressed in Inches)
-
Set the Postal4StateTrackerBarHeight property to a value ranging from 0.04
to 0.06 (Values are expressed in Inches)
-
Set the Postal4StateBarsSpacing property to a value ranging from 0.015
to 0.025 (Values are expressed in Inches)
-
Set the QuietZone property to 0.08 (Value is expressed in Inches)
-
Set the Code property with the value to encode i.e. with the postcode.
The value to encode can contain numeric characters (0-9) and/or alpha
characters (A-Z)
-
Barcode Professional will automatically generate the required Start & Stop bars
-
Tip: You can rid of those bars by setting up to False the Postal4StateAddStartStopChar
property
-
Barcode Professional will automatically generate and append the checksum value
-
Tip 1: You can disable this behavior by setting up to False the AddChecksum
property
-
Tip 2: You can leave AddChecksum property set to True but
rid of the checksum value from the Human Readable text by setting up to False
the DisplayChecksum property