PDF417 is a multi-row, variable-length symbology offering high data capacity and error-correction capability. One PDF417 symbol is capable of encoding more than 1100 bytes, 1800 ASCII characters, or 2700 digits, depending on the selected data compaction mode
The SDK includes API [static library and dynamic library], ActiveX and ASP Compnent. Using the SDK, you can

* Create PDF417 barcode symbols from alpha/numerical text/binary.
* Output barcode image with the formats such as BMP, GIF, JPEG, PNG.
* Render barcode images on any devices, and create device resolution dependent images.
* Full controls of the bar code image styles, such as background color, bar color, image quality, rotation angle, x-dimension, captions, etc.

COM is a specification and a set of services that allow you to create modular, object-oriented, customizable and upgradeable, distributed applications using a number of programming languages."
COM stands for Component Object Model. COM components are an essential part of ASP
You can use the library to develop application or using it in ASP server side as a component.using ASP, Microsoft Visual C++, Microsoft Visual Basic,Microsoft Visual J++, Borland C++ Builder ,Borland Delphi, Borland J++ Builderor other development tools support to use COM.

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