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OPL for Symbian OS v5 developer papers

Accessing Help from OPL applications
This paper explains how OPL applications can correctly manage help files.
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DBMS - OPL's database features in-depth
OPL is a language that has always placed great importance on its database functionality. OPL uses Symbian OS DBMS; a relational database management system which supports SQL (the Standard Query Language).
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Tutorial: Writing Multi-lingual OPL Applications
With Symbian OS and OPL, creating multi-lingual applications has never been easier. The process is founded on the basic principle that parts of your application which differ between languages should be kept separate from the actual application code.
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Download the tutorial files (32Kb)

Extending OPL with C++ - OPXs
OPXs are extensions to the OPL programming language, written in C++, which may be used by OPL programmers to access system facilities not otherwise directly available from OPL.
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OPXs from the C++ view
How to develop OPL Extensions (OPXs) in C++
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OPXs from the OPL view
How to use OPXs
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Extending OPL with OPL - OPMs
OPMs are extensions to the OPL programming language, pre-written in OPL. OPMs are written to save the developer time developing and testing commonly used routines, to save memory by providing shared code for OPL developers, and to aid rapid development of applications.
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OPMs - Writing OPL Modules
The Symbian Developer Network encourage developers to write their own OPMs and allow other members of the OPL community to use them. To help their wide acceptance some standards have been written which should be adhered to where possible.
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OPL Reference Database in Symbian OS Help format
Version 1.0 of the OPL Reference Database (Version 1.0) in symbian OS Help format. Included are descriptions of (most) OPL commands plus the built in OPX commands. (Suitable for devices based on Symbian OS v3 and v5.)
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