Introduction

dLSoft products support a wide range of barcode types and we endeavour to keep up to date with barcode specifications. However, it is important to understand that the standards specified for barcodes have arisen from a wide range of sources, and some barcode specifications have been modified over a period of time. Furthermore some barcode types have been largely superseded by more modern code types, usually because modern types have a higher reliability.

In these notes we aim to provide:

1) Details of the barcode types supported by dLSoft barcode products; note that not all products support all barcode types included here.

2) Some general information about the codes you need to provide to produce satisfactory barcode images

3) The code # numbers required to access the barcode types if you are programming the dLSoft products that support multiple barcode types, such as the Universal products (dBarcode DLL, dBarcode.NET, dBarcode-2k, Active Barcode Component Universal). Programmers who are using multiple code types are advised to print out the code type table.

The dLSoft barcode library forms the basis of the dBarcode range of products and a number of label and form printing applications. For this reason a number of references to dBarcode appear in the text.

To accommodate the different formats in which this document appears most barcodes are shown at larger sizes than they would normally be used.

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1D Barcodes