Lazarus Documentation

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Revision as of 22:46, 28 February 2012 by Ask (talk | contribs) (Additional Components Documentation)

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Lazarus and Pascal Tutorials


Hardware, Threads and Processes

  • Using the printer - Printer support in Lazarus
  • Hardware Access - How to access hardware devices, such as ISA cards, PCI cards, parallel and serial ports and USB devices.
  • Multithreaded Application Tutorial - How to write multithreaded applications using Free Pascal and Lazarus.
  • Executing External Programs - A short tutorial showing how to run external programs from inside your program.
  • LazDeviceAPIs - A LCL unit which offers an interface to various hardware devices such as the Accelerometer, SMS sending, GPS positioning, etc.



Platform specific Tips

The Lazarus User Guides






Coming from Delphi

The Lazarus Developer Guides

LCL - Lazarus component library



  • Translations / i18n / localizations for programs How to translate your application and how to load translated resourcestrings of projects and packages in your application.
  • Getting translation strings right A few notes for programmers on how to create and use translateable strings in your application. Quickly discusses general things about creating strings, offers a few hints on implementation issues and points out some things to consider when using English as base language in particular.
  • Localization Notes:
  • German - Notes and guidelines for translating the Lazarus IDE to German, including a small dictionary to look up often used translations.
  • Portuguese-Brazilian - Small dictionary containing common translations of terms used in the Lazarus IDE for the Portuguese-Brazilian translation.
  • Russian - Notes and guidelines for translating the Lazarus IDE into Russian.

Additional Components Documentation

Free Pascal Compiler Documentation

In addition to this site, the latest version of the documentation can also be found on-line and in a variety of downloadable formats on the main Free Pascal Compiler site.

Lazarus related blogs, websites, videos, magazines and books




Books and Magazines

Missing documentation?

If you miss documentation for Lazarus or FreePascal, you can always write it yourself and submit it to the Lazarus/FPC bugtracker for inclusion. Have a look at:

  • FPDoc Editor Built-in documentation editor in Lazarus. Page explains how to get fpdoc help sources and write your own help.