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Getting Started with Lazarus IDE

Getting Started with Lazarus IDE

By : Roderick Person
2.9 (17)
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Getting Started with Lazarus IDE

Getting Started with Lazarus IDE

2.9 (17)
By: Roderick Person

Overview of this book

A good integrated development environment can be the key to creating and delivering software on time and budget. Having a programming language and a development environment that runs on multiple platforms greatly eases and lessens the time taken on creating cross-platform applications. An IDE that is compatible with a legacy code base allows developers to leverage existing libraries in future applications."Getting Started with Lazarus" is a practical, hands-on guide that provides you with a number of clear step-by-step exercises, which will help you take advantage of the power of the Lazarus IDE and Free Pascal to develop software that can be created for cross-platform use."Getting started with Lazarus" discusses developing software with the open source cross platform integrated development environment and the Free Pascal language. We'll learn how to install Lazarus on various platforms such as Linux and Windows, as well as how to create new projects and convert existing Delphi projects to Lazarus projects by learning the differences between Delphi's Pascal syntax and Free Pascal's Object Pascal using a real world example project. We'll learn how to create custom components for use in Lazarus. We'll also learn the basics of documenting a Lazarus project using the Lazarus Documentation Editor. Finally we will learn that the IDE can be rebuilt using a different widget type, specifically GTK 2. Teach yourself the basics of programming with Lazarus and the open source IDE for the Free Pascal language.
Table of Contents (14 chapters)
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Getting Started with the Lazarus IDE
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
1
Index

Differences between Lazarus and Delphi Components


As we have seen, Lazarus is very similar to Delphi, but it must be noted that Lazarus is not a clone of Delphi and that it is not 100 percent compatible with projects created using Delphi. One example of this is that Delphi component packages cannot be installed directly into the Lazarus IDE. Before converting a Delphi project to Lazarus, we need to be aware of some of the differences of the environments.

The Delphi VCL and the Lazarus LCL are both designed with component hierarchies for rapid application development, but they are not identical. The VCL provides non-visual components, such as TDataSet and TQuery, while the LCL provides only visual components. Classes such as those that provide access to databases are part of the FCL. The FCL is part of Free Pascal and contains only non-visual components and units, such as classes, which contain implementation of such Delphi classes as TStream and TStringList. Other units included in the FCL...

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