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This page explains how to create Debian packages for the [[FPC]] compiler itself. * for information on creating Debian packages for any application, see [[Debian package structure]].

== Packages == There are various different meanings of the term "packages" in the combined FPC/Lazarus projects.

This is tested with OpenSuse 11.x but it should work with the commercial version, too. ...sions of Lazarus and FPC can be found in Packman community repository. Add it using the Yast tool, then install Lazarus. Yast takes care of FPC dependenc

=== Packages === On Mac OS X, the toolkit is available as a fink package (but check that it's up-to-date). Installation:

You can '''not''' edit them here. It only shows the final results. ...mpiler options inherited from packages and the additions from the project. Packages inherit options via their '''usage''' [[IDE_Window:_Package_Options|options

...72014/http://web.me.com/macpgmr/XDev/XDevStatus.html The Wayback Machine]. It contains lots of useful information about the various units and tools inclu === Packages ===

{{IDE Window: Installed Packages}} This is the list of packages that will be compiled into the IDE when it is rebuilt.

...ins a set of units to interface to the GNU debugger (GDB) library, libgdb. It is used in the Free Pascal text-based IDE. The units are: ...Implements the TGDBController object, which controls a debugging session. It implements methods which map to GDB commands. (View Interface)

...libasync unit provides cross-platform units for asynchronous input/output. It is mainly a low-level implementation of fpasync, which is an OOP implementa ...ains some classes which create an OOP wrapper around the libasync package. It is meant to integrate asynchroneous I/O in programs that also have another

The package graph shows the currently loaded packages and which package uses which, and which package is used by which. Click on a package to see some general information about it in the window below.

...GNU LGPL license. Currently supports DirectX, X11, VBE1.2+ and fakemodes. It has been tested on Windows (all versions since Windows 95; on i386 and x86_ ...r svgalib) and offers better compatibility between platforms (meaning that it emulates quite well the graphics modes of the TP7 DOS and Go32v2 graph unit

Available as binary packages for Windows 32/64, FreeBSD, macOS and Linux. It is Open Source. LGPL 2.1.

This is a proposal for pas2js packages, working similar to FPC/Delphi packages. Advantages of packages:

...w shows the unit dependencies implied by the uses sections. You can access it via ''View / Unit Dependencies''. ...if you installed docking, you can dock this window. The screen shot shows it on Gtk2 with anchordocking installed.

...1.6 it only searched the units listed in the project inspector. Since 1.7 it searches all used units (i.e. lpr uses section) too. * '''Packages''': Search units from used packages.

Q: Where do I add the path for source of 3rd party components? In Delphi it was in the "Library path". ...appears in the lower part of the list in the project inspector ("Required packages"), and the IDE knows where to find the units contained in the package so th

It includes routines for: Overall, it is rather complete system for numeric methods.

...hat future processors won't get performance gains by higher clock-rates as it was during the last decades. Instead, the CPUs will be multi core. However, ...threading ready. Some things like the heap manager need tuning, but that's it.

...y copy these files to the primary config path. It does not copy all files; it copies each file when needed (i.e. the primary file does not exist). Note: If they contain more, then it means there is no default or you found a bug.

It's a further development of [[DMath]] from Jean Debord. It is entirely written in Pascal and does not depend on external libraries.

It would already help tremendously if knowledgable users would contribute a fe Example code is available in ''/usr/local/share/fpcsrc/packages/fcl-net/examples''.

...72014/http://web.me.com/macpgmr/XDev/XDevStatus.html The Wayback Machine]. It contains lots of useful information about the various units and tools inclu === Packages ===

# Download it (goto current version section for download links). ...not found" at compiling lazff2_dt.lpk, then open lazff2.lpk and recompile it.

It is implemented in FPC trunk revision 27319 of March 2014. Example code: packages/hash/examples/hmd5.pp

...NU Binary File Descriptor Library, this package provides a header-unit for it. [[Category:Packages]]

lazbuild is a command line utility to compile Lazarus projects and packages, as well as the Lazarus IDE itself. When you built Lazarus yourself you can ...es required packages. It can also compile the IDE and install any compiled packages.

...re compiled with debug info, then that does not change => each package has it's own setting. This also allows to re-compile packages with more/less optimization and/or with/without range/stack/overflow-checks

As of August 2020 binary packages for Lazarus are not available for Arch or Manjaro Linux on 64 bit ARM (aarc A list of ARM packages for Arch Linux is available [https://archlinuxarm.org/packages here].

[[FPMake]] is a build-system for Pascal code specifically. It can use a make-over, though. ...ace to gather basic design-principles and other ideas for the new version. It is all work-in-progress and any input is very welcome.

{{Warning|''As of 2021-May-21. the current compiler version is 3.2.2, so it is possible some of the details listed below may have changed.''}} == Packages ==

...|| [[TOpenDialog]] || Dialog for selecting the name of a file for opening it ...|| [[TSaveDialog]] || Dialog for selecting the name of a file for saveing it

You can see where [[pas2js|pas2js]] searches for its cfg file and what it finds using the command line parameter '''-vt'''. ...example if pas2js is installed in ''/usr/lib/fpc/3.0.4/bin/pas2js'', then it searches ''/usr/lib/fpc/3.0.4/bin/pas2js.cfg''

...f components that support building of flexible and robust user interfaces. It contains some of the components of the well known RxLib for Delphi. * Go to menu "Packages" -> "Open Package File (*.lpk)". Navigate to the folder containing the rx s

...thly and the installation would complete without error. However when I did it, there were a number of errors. These errors are sometimes 'show-stoppers' ...s expects to be installed on your system already is not there. The missing packages were:

...annot compile dynamic libraries with shared classes. That's why designtime packages are compiled statically into the IDE, which means every time you install/un ...ling Lazarus from svn don't need startlazarus, but it does not hurt to use it.

...o bootstrap : a package is required to build FreePascal from source. Those packages are build using existing binaries in the official distribution and do not n The second step is to generate packages from source, using official fpcbuild's sources package (from https://source

::In Free Pascal, String is still a single-byte character as it was before Delphi 2009.. 2 RTLs and packages will be created from the same codebase:

...re case insensitive to --pcp, lazbuild before (probably) 2.4.0 is not when it reads the lazarus.cfg file. | idemake.cfg || A list of the compiled unit files for installed packages. Used to rebuild the IDE

...his page shows the steps for building your own FPC, FPC-source and Lazarus packages for Raspberry Pi OS. Example shows steps for Lazarus 2.2.0 which includes F ...;;</code>, (currently line 109). Copy and paste this line below itself, so it will appear twice. Edit this copy to read like this: <code>armhf) ppcbin=

...derived from sources of the Red Hat Enterprise Linux (RHEL) distribution. It is sponsored and developed by the Fermi National Accelerator Laboratory wit ...ts main goal to provide a world class environment for scientific computing it focusses on the needs of universities, major research institutions, experim

...atadesktop is a database tool that can be used with Lazarus or standalone. It lets you manage data dictionaries, browse them etc. == Getting it ==

...ered with lazarus and may be installed by using [Package|Install/Uninstall packages]. After install the components are accessible via the Data Export tab. It provides a template class for descendants that can provide export of datase

...age... -or- Open Loaded Package... -or- Open Package File -or- Open Recent Packages, and then clicking on ''Options'' for the Options Dialog and selecting ''Pa ===Group "Add paths to dependent packages/project"===

'''FPMake''' is a build-system for Pascal code specifically. It can be compared with other build systems like Make, cons, scons, etc. ...its of it's dependences. FPMake uses two different locations to search for packages, a system-wide (global) and a local location. By default the global locatio

* Name: the unit name as written in the source code. Otherwise it is the filename without the extension and path. ...given to the compiler, but there are cases where this is not the case and it does not show the unit paths defined in the compiler configuration file (<t

{{Install Packages}} == Adding packages using the IDE ==

= Write an overview, what units/packages already exist and what they provide = * or a script to create rpm/deb/dmg packages

...age... -or- Open Loaded Package... -or- Open Package File -or- Open Recent Packages, and then select a package (LazControls in the image shown). ...Compiles the package and all dependencies, adds it to the list of install packages of the IDE and rebuilds the IDE. Should be used only when the package regis

This is a set of units from RTL/Packages where all unit names are namespaced (dotted). New namespaces have been chosen for all packages, and the last part of the unitname has been cleaned up.

== Why is it useful? == ...r pages. There you find the form docked as tab. Useful is a combination of packages '''[[AnchorDockingDsgn]]''' with '''DockedFormEditor''', if you don't like

It does that by calling make and some extra parameters. Only the custom packages, that you installed yourself are compiled by calling the compiler directly. Just click the '''Build''' button. The IDE will rebuild all changed packages and then itself. If the ''Restart after building'' is enabled, the IDE will

* It's available on [https://github.com/PascalRiekenberg/LazProfiler GitHub]. ...b.com/PascalRiekenberg/LazProfiler/releases here] and install manually.<br>It depends on LCLExtension and EpikTimer.

...so a web version of the Lazarus Packages Repository available here: http://packages.lazarus-ide.org/. ...ery minimalistic or even non-existent, but there is nothing I can do about it.

...Lazarus installation options, please see [[Installing Lazarus on macOS]]. It is recommended that new users use the officially supported options. ...ll as clean removal of FPC and a huge number of other open source software packages.

Packages and utils. The compiler itself can also be compiled with a subtarget if you * It will define a macro '''FPC_SUBTARGET_SUBTARGETNAME''' , for example:

*Go to Package > Install/Uninstall Packages. *Select it.

===Find and install the packages=== ...ile and run everyone's favourite 'Blank form' project (having first saved it of course) you will get this error message:

...root privileges cannot rebuild Lazarus (which is done when you install new packages), and therefor one would need to change the Lazarus directory permissions.< ...is a more recent lazarus binary somewhere in your primary config path and it will launch that binary instead of the original one

and wait for it to stop or catch the application crash. * if a project can compile and run for Carbon, yet it cannot do the same for Cocoa, then the issue is likely with Cocoa widgetset

...e of the "status bar"). Now the status bar is always moved to the bottom; (it's a hack though, since won't work if StatusBar is changed to someother cont ...with Lazarus 1.1. There's an error given on "Dock Message" action. Though it still allows to go on with Lazarus usage;

...ill need to be updated to reflect the current (FPC 2.7.1) situation. Also, it apparently was called RTL - does another article called RTL need to be adde ...be the status as of FPC 2.2.1+, and only detail the earlier situation when it is needed for the understanding of the current structure.

...et the FPC sources (you might have them already installed with Lazarus, as it's a prerequisite for the IDE). 2. Go to %sourcesdir%/packages/cocoaint/src

Zip compression is in widespread use. It is also used to compress EPUB files. Go back to [[Package_List|Packages List]]

Cactus Jukebox is an audio player and music organizing tool. It searches given folders for music files and shows them in a database. ...please contact me. If there is enough demand I will create official GTK1.x packages again...

...ry (double click between category checkboxes turns all off). In basic use, it shows you all the examples shipped with Lazarus. ===Examples in Packages===

...he planned road to FPC 2.0.0 which will be the next stable version of FPC. It contains information how things are planned, however this might change from ...on OS requirements, 2.0.0 is supposed to compile and run the following big packages to prove its maturity:

bzip2lib provides stream classes for bzip2 compression and decompression. It uses external bzip2 libraries. The purpose was to make it compile and work with FPC (Free Pascal Compiler).

...maybe base packages, fcl and extra packages. note: fcl has been moved into packages in version 2.1.2 revision 6655), fvision (i.e. fv) and ide.<br><br>compile ...due to recent updates the next two steps (installing the vga font and make it accessible in xterm) are not mandatory any longer to get at least a partial

...ill be available in Lazarus from 3.0 stable release. Currently you can use it from trunk and fixes_3_0. As Qt6 is relatively new, look for it in newer distributions. It is believed that all Qt6 releases around at present based on 6.2 and 6.3 ha

...urces for any unit included and described by the debugged executable, then it will use these directories. ...the project (so they do not need to be added here) and directories of any packages used.

It is implemented in FPC trunk revision 27319 of March 2014. Example code: packages/hash/examples/hsha1.pp

=== Additional Source search path for all projects/packages === ...are too lazy to setup packages and you do not want to share your projects/packages, then you can set here a global search path.

Each repository can have one or multiple people working on it. When access as member of the organization is given to you, you can create # LazarusPackagesRepository: Sources of the web version of the Lazarus Packages Repository

It is located in the FPC\packages\fcl-report dir, but only in FPC trunk (=3.1.1) since rev. 36962 (20 Aug 201 So it must be in a transportable, locale-neutral format.

...ine tools or the third party GUI Packages (http://s.sudre.free.fr/Software/Packages/about.html) application}} ...ckage file can then be moved, downloaded or emailed. Once the end user has it, they can double-click the package and the ''Installer.app'' is launched, w

...Arch Linux and many other distributions based on it. Such as Manjaro. The packages themselves are really the equivalent of a Deb Binary package, not a source ...pts that do the same thing, you will be pleasantly surprised just how easy it is to make a Pacman compatible package.

...out how they can be compiled and how they can be used by projects or other packages or the IDE itself. The Online Package Manager can be found in the Lazarus I Component properties determine how the component appears and how it behaves. At design time, most properties have a sensible default, but you c

...l is undocked, a form is automatically created and the control is put onto it. What type of form is created is defined by the function GetFloatingDockSit ...layout and restore it later. How this is done is totally up to the docking packages. The LCL provides no framework for save/restore layouts of multiple forms.

...sión del Repositorio de Paquetes de Lazarus en el siguiente enlace: http://packages.lazarus-ide.org/. ...ery minimalistic or even non-existent, but there is nothing I can do about it.

...DBM SYNC constant (for open flags) has been renamed to GDMB DOSYNC because it conflicts with the gdbm sync function. Go back to [[Package_List|Packages List]]

.../showfiles.php?group_id=2174 Free Pascal sourceforge] site. Various source packages and binaries are available from these download sites. ...riginally named FPK Pascal) is a 32-bit and 64-bit modern Pascal compiler. It is available for different processors (including the Intel 80386 and compat

...r and base RTL (run-time library) source code is a little bit strange. But it has been in use for a lot of years and is not subject to discussion. So tak ...ame line as while..do/if..then/..., but always on its own line (and indent it compared to the while/if/...).

...here are no releases yet that officially support it but you can easily get it from SVN if you follow these steps: # Go to '''zeosdbo_rework\packages\lazarus\''' and open '''zcomponent.lpk'''. Note: Starting with Zeos 7.3 / 8

...ly from Xcode and that allows you to do command line development in macOS. It consists of the macOS SDK and command-line tools which are installed in the ...allows you to find or run any tool inside Xcode from the command line. Use it to invoke any tool within Xcode from the command line. For example:

...ine what particular functionality a web-framework should provide. At least it should be able to communicate with a web-server OR even provide web-server ...base interaction, encryption, handling archive files, while others do not. It's questionable, if such functionality is mandatory for a web-framework.

...ild server build our application. But web interface is overcomplicated and it is not easy to setup build of Lazarus project. Here this wiki pages can hel ...orts PPA (Personal Package Archives) which is place where non distribution packages can be prepared.

...to debug a remote target using gdb's remote serial protocol over tcp/ip. It is intended that simple targets with gdbserver stub implementations will be * menu [Package|Install/Uninstall packages]

...t can be compiled for any target platform. It needs to be compilable using packages already available in the latest Debian distribution. If you want to distribute the .deb file directly, you may generate it following [[Debian package structure]].

...rus + FPC using <tt>fink</tt>, the complete uninstall of all Lazarus + FPC packages is done with: ...tory, and the files that it contains, see the end of the [[#Installed from packages or source|next section]].

If you want to see it correctly formatted, you have to install Package TurboPowerIProDsgn.lpk! It is a standalone application (not an integral part of the IDE). It is located at ($LazDir)/doceditor/lazde.lpi. Once you have compiled the laz

There are various official installers/packages for different platforms/OSes. rem but it won't support Win9x

* type '''$ esvn''' to run it in graphic mode, and so, menu file, select '''Checkout'''. ...ct packages/open package files (.lpk), then navigate to and open the file: packages/lazarus/'''zcomponent.lpk'''

...ed. (Please don't update this page unless you are committed to maintaining it in the future)}} ...his page shows the steps for building your own FPC, FPC-source and Lazarus packages for Raspbian. Example shows steps for Lazarus 2.0.6 which includes FPC 3.0.

Whatever linux distro, it rarely happens the packages fpc/lazarus are I strongly recommend the use of official packages from the distro. Always check the repository for the release that you need,

...to give up the power, a modern Pascal language is as powerful as you want it. ...to grow roots while compiling your programs, just hit the compile key and it's done, even for large programs.

It provides an as-you-type search mechanism. It uses [https://manticoresearch.com/ Manticore Search] to provide the

To enable FileUtil in your project, please add LazUtils into required packages. Follow these steps: or it can consist of a list of masks, separated by a [[Semicolon|semicolon (;)]].

...ntaining all kinds of custom drawn components for Lazarus. Read more about it in [[Lazarus Custom Drawn Controls]]. ...This is major difference with with using [fpGUI] or the [fpGUI Interface]: it can't mix native and ownerdrawn (fpgui) components in one application.

...write]]|| - || Writes a DOM structure as XML data into a file or stream. It can deal both with XML files and XML fragments. ...amic" methods. Afaik FPC doesn't implement it (always virtual iirc), since it was mainly needed in 16-bit envs.</s> Fixed in r13382

{{Note|Download LAMW and unzip it in some folder (ex. "C:\laz4android2.0.12\components")}} :: Packages installations order/sequence:

...FPMake]]. It also resolves dependencies between packages and can fetch the packages from a central repository. ...mpiled and installed. Now with the package installed it is possible to use it's units (like cnocasn1, cnocasn1encoder etc) into any Free Pascal applicati

...a <tt>reg.xml</tt> file. For example, under non-Windows operating systems it creates the per user XML file (HKEY_CURRENT_USER) <tt>reg.xml</tt> in the < [[Package List|Packages List]]

...r FPC all .ppu files on your system become invalid and must be recompiled. It may be useful to run Lazarus in a terminal (cmd window) to see the actual e If using FPC, you can show where it searches for units by adding the -vut options, e.g.

...util. (Be warned, if you also have Codegear (or Borland) tools installed, it might conflict with gnu "make" util). You need to have fpc and fpc-packages installed and configured first.

It can be useful to release a FreePascal unit without publishing its source co * Compile the unit separately; it is recommended to use the compiler option '''-Ur''' (''Generate release uni

...ed if the identifier is only visible in the current unit. For example when it is a private or local variable. ...rojects and packages - as above, but search also in all depending projects/packages.

* it is extremely fast. Adding one million nodes takes only ~700 milliseconds * optimized for high speed access. It takes as few as 0.5 seconds to traverse one million nodes

...ackages are not yet implemented. But you can create frames in code even in packages. You can't create frame circles - the IDE will forbid this, i.o.w. you can' ...he frame code then you can fix it once in the frame code instead of fixing it n-times among all forms.

...to give up the power, a modern Pascal language is as powerful as you want it. ...to grow roots while compiling your programs, just hit the compile key and it's done, even for large programs.

...pas; the request constants are defined in ($lazarusdir)\components\chmhelp\packages\help\lhelpcontrol.pas * The viewer must support a <code>--hide</code> command-line option: it should not show the contents of loading/loaded help files in the GUI but al

...riginal content is retained inside comment tags; will pop up here again as it's reviewed and updated as necessary.}} One of the FPC's features is its ability to cross-compile. It's very useful to be able to make Windows (32-bit and 64-bit) from your Linu

...el tries to regain market share in the embedded area (also Mobile/Tablet), it might be that more mobile/tablet will use X86 platforms ([http://www.anandt ...stall this to a folder. Create a Shortcut to executable(to be able to call it with command line parameters). Edit command line of link to something like<

...crucial. So if you can have had a look and have some ideas how to improve it, mail me: <joost@cnoc.nl>. (Ideas for another name are also welcome). At this moment (aug 2019) it is all just work-in-progress. It might be that nothing works, or that everything will change in the future.

It is preinstalled in Free Pascal in the folder packages/numlib. Ported to FPC: by Marco van de Voort. ...10 I mentioned the package on the German lazarusforum, and decided to give it a boost.

...error fixing, because i have no way of knowing where Lazarus is installed it cannot compile or copy the files to your working Lazarus installation. ...name, however there is no warranty of any kind, use at your own risk, put it in a test directory first and make sure there is no subdirectory already ca

...ded within an existing Debugger-backend, or they can be added by 3rd party packages. For a Backend-Converters to be used, it must be associated with the type-name of the watched data.

...[[Debian upstream]] is ready, it is possible to make a source package from it. This is the role of the maintainer. It will be useful to the maintainer to know about the dependencies necessary t

Now output some info about it. } Go to back [[Package_List|Packages List]]

TortoiseGit Client is for Windows only. You may download it from https://tortoisegit.org/ On Linux, it is recommended to install ''git'' using the package management system offer

* '''glu''': This unit contains OpenGL utils. Although it has some useful functions, this unit is not necessary as you can implement '''AFAIK it has the same entry points as the core functionality and'''

=== Two types of packages === ...s, a source package and a binary package. This article is about the binary packages. They are a convenient way to bundle up pre-compiled binaries ready to be s

Currently, most library headers in fpc/packages support only static loading. Some exceptions are mysql, ibase, sqlite (and Since dynamic loading is not supported by the compiler directly, it's required to define some framework, so that all headers are "implemented"

*'''OutputDir''': if set it will replace the current output directory. Path delimiters are changed. Rel ...r the usage options. These paths are inherited, that means appended to all packages/projects using this package, directly or indirectly:

...rom the Gecko SDK. For this purpose the idltopas utility is used. This way it's earier to follow the fast Gecko-release cycle now gecko-developers do not Current sources are based on Gecko 9, as Gecko 10 has a bug preventing it from being embedded.

Before you use the extension, it's recommended to learn the page about [[iPhone/iPod development]]. * Project launched from Lazarus fails with an exception. It should be launched from the iPhone simulator

Lazarus IDE Packages is bundled with IDE and can be installed via main menu: * Package -> Install/Uninstall Packages..

...resolved, you should strike it over and add number of SVN revision fixing it. If the revision number refers to a SVN repository different from "fpc" (i. ...code as well as the Xcode Command Line Tools package? From my experiments, it seems the full Xcode is only needed to:

...resolved, you should strike it over and add number of SVN revision fixing it. If the revision number refers to a SVN repository different from "fpc" (i. * <strike>packages/fcl-db/tests/dbtestframework.pas has compile errors:

For people who simply want to install Lazarus and start using it for programming, the easiest approach is to download and install a recent, # A Free Pascal Compiler, packages, and sources. (*Important*: of the same version/date)

You can have one directory with Lazarus in it on your system or more. These directories can contain the same or different ...efault config directory is ~/.lazarus. Note the beginning dot, which makes it a hidden directory.

The current releases of the Windows Lazarus installer packages install very easily, and should work 'out-of-the-box'. ...ed. Moreover, it is recommended to avoid spaces in the folder name because it may confuse some tools used by Lazarus.

...Package Manager. The other packages are optional and may need third party packages / libraries to work (OpenGL and PascalScript). Like TBCButton but it supports focus like normal TButton.

...e, or part of it, but you don't know in which page it was? This tool finds it: Now your application will run on the second server, so when it is

...piler is currently being developed in FPC trunk (the development version). It targets Windows 3.0 or later. For compiling programs, it needs:

* Adapt the file so that it contains all necessary instructions for building the Lazarus program snap. build-packages:

1. Click on menu Package - Install/Uninstall Packages The Lazarus [[pas2js]] integration has 3 parts to it:

...they are IDE macros with a limited scope. They are defined by projects and packages and are case insensitive. For example: This "Unit Output directory" is often used for Lazarus Packages:

...ntinuation of the project [http://sageshome.net/oss/paszlib-sg.php here]). It is used in the FCL to implement the TCompressionStream class. * examples: [http://svn.freepascal.org/svn/fpc/trunk/packages/paszlib/examples/]

starting from a clean Solaris 10 system on either x86 or SPARC. It assumes that you have already used svn (Subversion) and have built FPC and ...h a little bit of library fiddling, it's unlikely that Lazarus will run on it due to missing prerequisite libraries.

...oding), files, streams, byte arrays and untyped data to mention but a few. It also supports Incremental Hashing. * Method one: use the provided packages in the "Packages" folder.

...ntime packages. The package '''projtemplates''' (the normal lazarus binary packages have this preinstalled) allows to simply use existing projects as templates The package comes preinstalled with the binary packages of Lazarus (e.g. the windows installer). This package adds a category to th

If you want to use LCL without Lazarus, usually it means one of two things: * You want to use LCL in your existing Free Pascal project without switching it to Lazarus;

...brary|Shared Libraries]] , [[Package List|List of packages in FPC]] and [[packages(disambiguation)]] ...rtunately is a bit ambiguous with respect to the term packages. In general it is a collection of related units, but the precise way these units are relat

...e.g. the SQLDB framework), however the developer must install the required packages (client libraries) for each one. ## On Windows it uses native ODBC Microsoft libraries (like sqlsrv32.dll for MSSQL 2000)

It currently works in [[Portal:Mac|macOS]], [[Portal:Windows|Windows]] and [[P It was created and is maintained by Carlo Kok and is copyrighted by [http://ww

This page is about debugging the FPC compiler and thus it provides a tutorial and some hints that might be useful. ...lt compiler that can be used to build any other program/unit/project while it is debugged from this Lazarus project.

...e support is only present in the SVN trunk. There are no plans to backport it to the stable 3.2.x branch. ...here is no need to use a separate compiler. Only a separate set of RTL and Packages units are needed.

...ical user interface for [https://git-scm.com/book/en/v2 git]. In some way, it tries to resemble the popular 'git gui' program but with some additions tha ...move files between the unstaged and the staged area and make commits from it, and much more.

* Similar to the Ada approach of packages, much more robust than namespaces ...// can't contain dots, when the compiler sees this, it knows

At least the Debian FPC packages don't install a [[Lazarus_Resources#FPC_resources|resource compiler]], whic # Get resource compiler, not provided by fpc 2.6 packages:

It is important to note that styles are only available if you add the correspo ...t state, which is passed to the drawer so that it can have the information it requires to draw the control correctly.

When the filter is empty and does not have focus, it shows a grey "(filter)" text. When UseFormActivate is True, it finds the parent form and registers handlers for its OnActivate and OnDeact

{{Note| This page refers to Lazarus in a sometimes misleading way. It either refers to Lazarus as a whole, or makes a distinction between "the li * If I modify FPC and distribute it with my application (but am not linked to it), I must ship the source of my application.

...the lineup, they come in the form of DIL-28 and SOIC-28, even the TQFP-44 packages are relatively easy to solder. Max. CPU speed is 50MHz. '''PIC32MX3/4/5/6/7xx:''' High Pin Count devices starting with TQFP-48 packages and max. CPU speed of 80-100MHz.

...connect Lazarus and Oracle by using Oracle Data Access Components (ODAC). It is a library of components that provides native connectivity to Oracle from ...enable it and test successfully, please submit a patch with the changes so it can be included}}

...te to use for what. Given the number and names of the various certificates it can be somewhat daunting to figure out which certificate is used for what. {{Warning|It is not possible to use certificates from third-party providers like Comodo

It may be needed when big parts of program code depend on system codepage. ...nd Overrides" page. There is a button "Use system encoding" to help adding it with one click.

...communication. It's the default library of this kind for GNU applications. It can often be found on Linux machines. ...headers are the translation of the low-level C API for DBUS. In the future it is desirable that these headers be wrapped around a class to make their use

...connect Lazarus and Oracle by using Oracle Data Access Components (ODAC). It is a library of components that provides native connectivity to Oracle from ...enable it and test successfully, please submit a patch with the changes so it can be included}}

...C and Lazarus on a Linux system. Its intended for new and 'regular' users, it does not cover some very advanced methods and concentrates on current relea ...te for your system, for example, early 2019 using a DEB based 64bit distro it might be '''fpc-laz_3.0.4-1_amd64.deb'''. Mid 2021 lazarus-something.deb i

...a compiled piece of code that can be shared and used by various programs. It provides functions and procedures that other programs can call. ...om a static library (that is linked into an executable and becomes part of it) or an executable.

'''''Note 3: Nowadays, lang/fpc port doesn't need COMPAT <= 11 dependencies. It should fix problems when GENERIC kernel is not used (unless compiling trunk It seems the FPC binaries are calling some very old FreeBSD system calls datin

GTK 1.2: Downloading the GTK packages and installing them properly can be a time consuming task. Therefore there ...tions/Utilities/X11. You can drag and drop it on the dock so you can start it with one click. X11 on Leopard (10.5) is different and starting X11.app is

...for Application Bundle (but better to copy icon manually, and then specify it manually). ...n FPDoc editor or the standalone application lazarus documentation editor (it comes with lazarus in doceditor/lazde.lpi).

...frozen for the benefit of committers that are not on core (or do not read it regularly) ...least) RC1 and final release sections. If it is a final release add a link it to [[Releasing]]

...frozen for the benefit of committers that are not on core (or do not read it regularly) ...least) RC1 and final release sections. If it is a final release add a link it to [[Releasing]]

...vascript, and runs on all major platforms. It is a closed source solution. It is free for use for non-comercial software, but requires the payment of lic ...new library being developed in the mold of fpspreadsheet and fpvectorial: it has independent modules to read, write and play sound files and also an int

Squall sound works fine with FPC. It has 3D audio and EAX effects, but just supports MP3, OGG and WAV formats. O ...vascript, and runs on all major platforms. It is a closed source solution. It is free for use for non-comercial software, but requires the payment of lic

...provide Docker files and images for FPC but none of them is 'official' and it's also unsure if they are still maintained. Often they also only provide im ...runtime. Containers isolate software from its environment and ensure that it works uniformly despite differences for instance between development and st

compile it better from the sources ...fireadmin/ GTK-Fireadmin] is an Gtk based FireBird Administration tool and it is written OOPascal (Free Pascal) using Firebird Lazarus Components.

* Open everettrandom.lpk and compile it. * Compile and run the app to see if it runs OK on your system.

...r this condition, Lazarus ''does not compile any program'' at all nor does it recompile the IDE any longer, meaning Lazarus is completely "broken" until ...Options / Test'''. Click these and see the warnings it produces. Normally it will only warn (safely ignore those) about certain duplicate ppu files in t

...x MINT XFCE offers a graphic environment with a very light overhead making it a good choice for virtualization where a GUI is needed. * 9. After installation is done install (Package -> Install Packages) and open Online Package Manager from the Package Menu. Select BGRA Bitmap

It is expected that in the next FPC release, chm will replace the doc-html arc The package also packages two examples:

...help), depending on how you installed Lazarus. If it is not operational or it is out of date, this page will help you. ...ndows) exists. Compile $(LazarusDir)\components\chmhelp\lhelp\lhelp.lpi if it does not. Although newer versions of Lazarus will compile lhelp if needed t

...rom the FPC/Lazarus SourceForge site, its most likely that FPC and Lazarus packages from your Distribution will not work as expected. {{Note|It possibly makes good sense to choose to make Qt5 apps for the Raspberry Pi n

This is the most complete implementation, it is available in FPC in the file "packages/regexpr/src/regexpr.pas". This package implements a subset of Perl's regula ...sion. Exec will return true if the expression matches the string passed to it.

** The IDE now warns when there are duplicate units or include files in packages. ** A new configurable IDE CoolBar replaces the static Toolbar. It shares settings GUI with EditorToolbar which was moved to IDE's codebase. T

{{Lazarus Packages}} ...age''' in the combined FPC/Lazarus projects see [[packages(disambiguation)|Packages(disambiguation)]].

* It is very widely used and available It is a library of components that provides native connectivity to PostgreSQL

...GW''' from the Qt package (qt-opensource-windows-x86-mingw492-5.6.2.exe) - it's an optional component of Qt package installation. ...selected]]Lazarus "out of the box" on Linux uses and makes apps for GTK2. It is not marked as having a dependency on Qt5 so if you wish to make Qt5 apps

It is a text based file format with ...fc/rfc4180.txt RFC4180] tries to codify and standardize existing practice; it makes sense to conform to this standard when writing CSV data (and accept a

...ady called Personal edition available now. This has only one restriction: it can not be used with more than one network user. This version includes the ...iable and that, above all, is on accordance with all legal specifications. It's a robust software that have innovative technological features that will s

...compiled into resource by [[lazres]] utility. Recommended for projects and packages with many image files. ...on || contains project-specific settings like compiler settings and needed packages. stored in XML

...FPC/Lazarus install process, so if you're uncomfortable with this process, it may not be for you. * Run fpcup, telling it to use the [General] profile in fpcupodroid.ini:

fpJWT unit is a part of FCL-Web package in Free Pascal. It provides implementation for "JSON Web Tokens". It should be an authentication component that issues the JWT. I assume your CG

{{Warning|This page deals with Qt4 and very old versions of Lazarus. It is most likely you would find the [[Qt5 Interface]] page more helpful.}} It must say something like:

== Packages == ...umber of components the original Delphi version is split into a variety of packages. The Lazarus port follows this convention because the user can install only

...ve mentioned tools (GNU tools, helper DLLs, UPX, etc.), and decide whether it isn't time to update some of these tools ## <s>short name version for binary packages</s> (done)

While it's primary purpose is to showcase the possibilities of FCL-Web and the [[fph it can be used as a small web server to aid in e.g. development of pas2js appl

...free software suite developed to create, edit, and compose bitmap images. It supports a huge variety of formats (over 200) including formats like GIF, J ...e command line and its command line tools package is one of Linux standard packages, being distributed with many distributions.

...ths is only $(PkgOutDir) and the usage include path is empty. Check if two packages or a package and the project contain the same unit search path in their com If the compiler can not find it, the compilation fails (Build, Ctrl+F9) with the error 'unit not found'.

...te a standalone shared library. (compiling a library unit without "runtime packages" selected). ...e its own island. Using automated types in functions that communicate with it is not possible.

* If a package or project uses a package, it will inherit the ''usage'' search paths. You can see the inherited search p ...w to know which. This path is given to the Free Pascal Compiler which adds it to its Unit Path.

'''FPCUPdeluxe''' is a GUI installer for FPC and Lazarus. It's based on [[fpcup]]. # Missing Packages

...GrayscaleMask.TGrayscaleMask.html TGrayscaleMask]: linear 8 bit grayscale. It now has drawing functions, so you can prepare a mask in 8 bit per pixel, av ...map.TExpandedBitmap.html TExpandedBitmap]: linear RGB, 16 bit per channel. It has more precision than [[TBGRABitmap class|TBGRABitmap]] and is linear, so

## On Windows it uses native ODBC Microsoft libraries (like sqlsrv32.dll for MSSQL 2000) ## On Linux it uses unixODBC + FreeTDS (packages unixodbc or iodbc, and tdsodbc). Since 2012 there is also a Microsoft SQL S

例となるフォルダが$(fpc<b>src</b>dir)/packages/base/mysql/にあります。 ...ンストールだと、/usr/share/fpcsrc/packages/base/mysql/ Windowsでは C:\lazarus\fpcsrc\packages\base\mysql\です。

...cal) unit of code (not necessarily the same as a Pascal unit, though often it is). There are also tests for the FPC compiler/core packages, but these presumably predate fpcunit and use a simpler approach.

...ies for creating libraries with Lazarus/FPC and using them in projects and packages. ...That means it tells the linker to put all .o files of the project and all packages into one big executable.

You can create a new file and save it, or you can create a new file with filename and file type in one step: ...ct a nonexistent filename. For example: unit1.pas. The IDE will ask you if it should be created.

It does not contain the cross compiled LCL .ppu files. You need to compile the This has been partially done (for the static case), but it is hard since it needs manual postediting of linker files and linker commandline, and a deep

...urrently in a different repository (I used fpc/utils/fpdoc/fpdoc.css since it has the correct name). A script '''fixdocs.sh''' automates most of the CHM ...r CHM viewers don't seem to suffer from this, but there is always a chance it is CHM pkg related. ('''fixed''')

Development was done, using the Fedora packages llvm-11.0.0-1.fc33.x86_64 and lld-11.0.0-1.fc33.x86_64. Tested on Ubuntu 20.04. ''wasm-ld'' is part of package ''lld-12''. Install it and set necessary symlinks:

You may jump right in. But it may be a good idea to learn something about the basic ideas behind that arc ...ge</code>. Open the project file <code>imgview.lpi</code>, compile and run it. You'll see a typical application with a menu and some controls to show a f

...e Carbon functionality from a 64 bit application, you must explicitly link it in by adding the ''{$linkframework Carbon}'' statement to your program. [[Category:Packages]]

Older versions of Lazarus were only providing the GdbMI backend. It is highly recommended to update to Fp-Debugger or LLDB+FpDebug as indicated | class="unknown" | If RTL or packages have debug info, ensure it is the exact same type as for the project

...inclair QL or QDOS port is an experimental "just for fun" [[m68k]] target. It targets the Sinclair QL line of computers from the mid-80s, and their opera ...ral other people from [https://qlforum.co.uk qlforum.co.uk] contributed to it since.

...file containing implemenation of the particular routine is not mentioned, it's supposed to be system.pas for platform specific parts and system.inc for Similarly to other parts of FPC RTL (and also units included in packages), the general pattern is that units requiring at least some platform / targ

Everything compiles for SGraph 2.4 but the license for it restricts redistribution of modified source code. The author has been conta ...ecorder variant of Mark Dodson's original but I'm thinking about rewriting it. If anyone is interested in any of these components, let me know. - [[User:

Under ubuntu/debian you can install the following packages: libmpich-mpd1.0-dev mpich-mpd-bin ...any newer version from http://www-unix.mcs.anl.gov/mpi/mpich2/ and unpack it.

interface for the GNU Multiple Precision Arithmetic Library in packages/gmp. ** Most, if not all, *nix systems have GMP (libgmp) installed by default but it is still necessary to have the dev package (libgmpX-dev) installed also (ne

...en updated as of September 2023 and might be outdated by the time you read it}} FPC with an LLVM code generator backend is available on the git main branch. It currently supports the following targets:

The C-based [[gmp|GMP library]] can also be used in Free Pascal, it's not listed here. * Source Code: https://gitlab.com/freepascal.org/fpc/source/-/blob/main/packages/fcl-hash/src/fptlsbigint.pas

...also helps new contributors to find a suitable place where they can help. It also shows the people implementing the various parts and the targets. ...ion (that talks to the backend toolkits) of the Lazarus Component Library. It does NOT reflect on the actual features of the individual GUI toolkits (eg:

...of the branches is named ''Required Packages''. By default, the ''Required Packages'' branch shows the ''LCL'' package. # ''Printer4Lazarus'' is now shown in the ''Required Packages'' branch.

* The entire root file system is read-only - it is not writable by a normal user or an Admin user. The data volume is mount * Signature validation - has it been tampered with?

...rectly to the IDE (to the project ide/lazarus.lpi). It is not a package of it's own. * package: IdeDebugger in /ide/packages/idedebugger (Lazarus 2.3 up)

This has been partially done (for the static case), but it is hard since it needs manual postediting of linker files and linker commandline, and a deep #-Fu~/fpc/packages/*;~/fpc/rtl/linux

Everything compiles for SGraph 2.4 but the license for it restricts redistribution of modified source code. The author has been conta ...ecorder variant of Mark Dodson's original but I'm thinking about rewriting it. If anyone is interested in any of these components, let me know. - [[User:

Für Packages funktioniert es auf die gleiche Weise. == Öffnen des Packages einer Komponente in der Palette ==

...t also explains how to convert data from the program into JSON (eg to send it to a web browser). Loading and storing (streaming) objects is done with the fpjsonrtti unit. It also makes sense to use the Classes unit (see below for details).

...ntinuation of the project [http://sageshome.net/oss/paszlib-sg.php here]). It is used in the FCL to implement the TCompressionStream class. // The second argument is the name of the file as it appears in the zip and

The wiki speeds things by making it possible to make changes and additions with a browser! For tutorials, pleas ..._id=89339 The Lazarus Sourceforge site]. Additional documentation on these packages can also be found on the [[Components and Code examples]] wiki page if the

...very short events with traceably high precision over long periods of time. It's simple to use, consumes virtually no CPU and requires only 25 bytes of ra # Updated 0.2 version to make it compile on the latest Lazarus (0.9.10).

* Extend the link editor to show packages and identifiers * Adding a small toolbar makes it possible to use the available markup tags

...note the Lazarus base directory. So when you read [$LazDir] simply replace it with the directory appropriate for your Lazarus installation. "Lazde" is a tool designed to edit the XML documentation files. It can also be used to generate the basic XML file skeleton derived from a Pas

...ince the new component will become a part of the IDE it can crash the IDE, it may even be possible that the IDE does not start any more. Test your compon ...package by clicking opening the package in "Package" > "Install/uninstall packages", click the "Compile" button at the top of the package editor, and then '''

# (this makes it persistent across reboots) # Install SDK packages and NDK

...nixシステムでは .so、Windowsでは .dllsファイル)のインストールの仕方を見つけることができる。バインディングユニットはFPCソースのpackages/baseディレクトリで見つけることができる。それらはmysql ...the program on a computer which has the MySQL client libraries installed, it still won't start on any other machine without the appropriate MySQL client

...hen the client succesfuly connects. aSocket is the socket which connected. It should serve as the "start" point for clients. ...sent again on a socket, after a call to send function failed, returning 0. It can be used to automate sending of big chunks. aSocket is socket on which s

The Messages window contains the compiler messages. It can also contain codetools messages, or linker errors, etc.. ...s of messages, each having a header. The header is yellow while compiling, it turns green when compilation was successful, and turns red when there was a

Installing Lazarus on a Mac is not particularly difficult but it is critical that you do the install in the correct order. Skipping steps w ...eting it, or, if it may help someone working with a legacy project, moving it to the [[Legacy_Information:_Installing_Lazarus_on_Mac|legacy information]]

...ge file (contains package-specific settings) || [[Lazarus_Packages|Lazarus Packages]] || XML | .pas || Unit with Pascal code. It may also contain the code of form (stored in the LFM-file of the same name)

...or a few dedicated functions, often with real-time computing constraints. It is embedded as part of a complete device often including hardware and mecha ...even slimmer variants consisting of a Linux kernel and some compact tools packages like [http://www.busybox.net/ BusyBox]. Other variants like:

...of the [[Variable|variable]] <tt>x</tt>. Besides mathematical expressions it can also handle [[Boolean|boolean]] values, string formulas, [[TDateTime|da ...its functionality. See the file "fpexprpars.txt" (in <tt>(fpc_source_dir)/packages/fcl-base/examples</tt>) for a short documenation.

==Recompiling Packages== ==Removing Packages==

* '''Old behaviour''': It was possible to have ''abstract'' or ''sealed'' fields immediately followin * '''Remedy''': Adjust your code so it does not conflict with the TObject class members. Override TObject method w

...viously a push transition — instantly replaces the new floating group row. It occurs when the x-height of the group row’s label meets the bottom of a c ...NSOutlineViewSelectionDidChangeNotification'' only posts once. Previously, it posted once per collapsed item. (macOS 12)

== Pas2js : What is it ? == Pas2js is an open source [[Pascal]] to [[JavaScript]] transpiler. It parses Object Pascal and emits JavaScript.

...e a compile 'progress' dialog appear while your project is being compiled. It will also show a summary of the total lines compiled, number of hints, warn ...s directories like 'ide', 'debugger', 'converter', 'components' and 'lcl'. It is used to find sources (.pas) of the LCL and components.

...a bug report]] - You think you found a bug in Lazarus, how can you report it? *[[Lazarus Packages]] - A guide for creating a package under Lazarus

...ms at flexibility and low overhead at the same time. As the name suggests, it can be used to log to several targets such as a text file, a visual control ...usproject/ Overseer] and [http://estlogger.sourceforge.net/ EstLogger] but it does not follow closely any of them, implementing many things differently a

* add DSP effects and filters, however many you want and record it. All is included, you only have to compile the demos and run it...

...（訳注：右側の「LAZARUS_DIR」はLazarusのインストールフォルダを示す。）: LAZARUS_DIR\fpc\3.0.0\source\packages\indylaz ...n support the Kylix side of Indy. (anything that uses unit libc). I ported it only as step up to native Unix RTL using Indy apps.

# Install SDK packages and NDK # (Note: to view a list of available packages use ./sdkmanager --list)

{{Note| If you do not see your new component in the component palette, it is most likely that you are not running the re-compiled version of Lazarus. If you already had a unit you can add it to the package:

...they are scattered over 57 (!) packages and do not install the sources, so it is almost always better to install manually (see below). Nevertheless here Once fpc is installed you can check if it's working by simply running

==Schritt 1: Erstellen des Packages== * ''samplepackage'' der Name Ihres Packages ist

* packages ...elphi 2010 documentation reintroduce affects the behavior of a method when it's called from a object casted as his ancestor, if the method has overloaded

Basically it works like this: Add a ''resourcestring'' for every caption, compile to get When fpc compiles them, it creates for each unit a file '''unitname.rst''', containing the resourcestr

This is free software: you are free to change and redistribute it. * (Summer 2019) you need to be subscribed (it's free) for Windows Insider Preview program and use "FAST" (instead of "Slo

*[[Lazarus Tutorial/it | Lazarus Tutorial]] - Una guida per iniziare e una descrizione dettagliata *[[Lazarus Faq/it | Lazarus Faq]] - Informazioni generali riguardo Lazarus con dettagli per g

"To get it right" in this context means that the translation strings have been prepare Although it is tried to be as language neutral as possible, there is in fact a slight b

...developed by the [http://www.fe.up.pt/~robosoc 5dpo Robotic Soccer Team]. It provides a visual serial port (TSdpoSerial) implementation of [[Projects_us ..., rectangles, triangles, rhombus, trapezoids, circles and circle segments. It also includes some additional measurement calculations functions.

* It only supports audio data formats linear PCM or IMA4. * It only supports audio file formats CAF, AIF, or WAV.

fpvectorial is distributed along with Lazarus. You can find it in folder ''components/fpvectorial'' of your Lazarus installation. ...ion of Lazarus and want the latest version of fpvectorial you can download it by svn from

...m, plus table drivers for some popular systems. (<LAZDIR>/fpc/3.0.0/source/packages/fcl-db) * Master - detail relations are not complete; however you can implement it using [[MasterDetail]]

...ay be occasions where a pre-built compiler won't do, and you need to build it yourself. There are a number of reasons for doing this, including: ...her a version of the compiler does not currently exist, or you are porting it to a new operating system or processor.

...s use the FreeTDS library as a driver. The FreeTDS documentation indicates it should build on at least these platforms. Windows versions for x86 and x64 ...base. It is possible to write database applications using these units, but it is usually far more work and bug-sensitive than using the DB-unit Lazarus c

...SVN command "switch", specifically its first variant (see below). However, it's recommended to build in exported sources, not in checked out version. ...a good idea too check if the faq.adp is still up-to-date before converting it.)

* Free Pascal's Carbon API unit is FPCMacOSAll.pas in /usr/local/share/fpcsrc/packages/extra/univint. * Title: You cannot change it at runtime. You have to set it in Application Bundle.

...библиотек по большей части перенесены с этой страницы в отдельную статью [[packages|пакеты]], чтобы не запутать обсуждение.

...TK world knows exactly what was needed but I sort of shotgun the process. It was simple. ...d just use the version that is available from SUSE 10. But I was told that it was better to use the latest version from the Lazarus web site.

{{Note| If you do not see your new component in the component palette, it is most likely that you are not running the re-compiled version of Lazarus.

Examples are included in your FPC directory: packages/fcl-web/examples/ ...ample using HTTP only. This example retrieves just an html page and writes it to the screen.

...n FPDoc editor or the standalone application lazarus documentation editor (it comes with lazarus in doceditor/lazde.lpi). Set it to "docs". The IDE will then lookup and create fpdoc files in the sub folde

It has a '''Dataset''' property which must be set to the dataset that provides ...ng code creates a data loop component, and assigns a '''TDBF''' dataset to it. Note that the TDBF class is defined in the '''dbf''' unit.

...is part of the '''multithreadprocslaz.lpk''' package, which needs no other packages, only FPC >= 2.6.0. As always: Open the package multithreadprocslaz.lpk in the IDE once, so that it learns the path.

if that succeded you can install it to whereever you want with: ...copy the file ./compiler/ppccross somewhere you will be able to find it as it's the compiler you'll need to build powerpc programs

Demo programs are provided with Free Pascal Compiler source code in the <tt>packages/fcl-json/examples</tt> directory. It can be defined in your Free Pascal program using a constant assignment as f

...from Resource Stream]. How to add an image to a project resource and load it. ...org/index.php/topic,37442.msg251587.html#msg251587 Load a picture and show it]. How to use OpenPictureDialog and LoadFromFile.

...alert dialog, creating it only when you need to display it, and releasing it when you are done. ...al but not critical. This is the default alert style if none is specified. It is badged with the application icon.

...o paraphrase WWDC 2015: "Yeah, NSURLConnection is deprecated in 10.11, but it's not going away and will still work, but new features will be added to [[m ...Response:error:''. Using this method is not generally recommended, because it has severe limitations:

...ngToFront (defaults to false) to TLazIDEInterface.DoShowSearchResultsView. It specifies whether Search Results dialog should be shown on top or under Sou *** The GUI is visually above the options GUI pages, thus indicating it has effect on them.

...e OpenGL ES 1.1 C-header from the SDK (this one we can distribute, because it's licensed under an SGI open source license), available in the gles11 unit ...the entire ReadMe.rtf on the installer disk image before asking for help. It contains quite a bit of information on things to watch out for (especially

...base. It is possible to write database applications using these units, but it is usually far more work and bug-sensitive than using the DB-unit Lazarus c ...This means that if the application is compiled with one of these units in it, the whole application can not be linked if the client libraries are not av

| [[Forward|forward]] || Allow a subroutine to be used before it is declared ...able for Lazarus programs and usually for FPC (FPC can be compiled without it, but that only happens on purpose for low-memory embedded systems etc)

Firebird embedded is a special version of the [[Firebird]] database server. It lets you run your programs without a dedicated database server. Instead, yo * need to distribute some libraries along with your program when distributing it (unless you can statically link them)

// Note: 'myincludes' is a relative path, so it won't work for sub directories. ...Path', // optional: an arbitrary name of the template, useful for finding it later

...), a [[A simple implementation of the Mersenne twister|Mersenne Twister]], it is rather slow. ...ntains the following PRNGs with Marsaglia's comments from his usenet post. It is extremely fast.

...which also serve as documentation, can be found in the ...\fpc\...\source\packages\fcl-net\examples subdirectory of your local Lazarus installation. Amongst o ...program (use the "Host" button to switch between server and client mode). It also lets you play with some useful options like switching the transport pr

It's main caracteristics are : * It inputs a Delphi form (soon to support Lazarus forms)

...and CreateRoundRectRgn and implemented SetWindowRgn for TForm (previously it worked only for child controls). ...LazIntfImage, etc. This is the first Lazarus interface to support Android. It also supports Windows, Mac OS X (Cocoa) and X11.

* It is very widely used and available ...e, and other hosts on your network) as far as is consistent with security. It is preferable that all users including root have passwords. Test the action

...tion in Lazarus, tested within the IDE. Now it's time to deploy it to test it on a specific platform. ...p]] [http://www.jrsoftware.org/] is a free installer for Windows programs. It may be used completely free of charge, even when deploying commercial appli

...iew''': Support has been added for advanced record syntax (as Delphi calls it) including record visibility sections, nested types and constants, record m ...d [[generic class]]es, [[generic object]]s and [[generic interface]]s. Now it is also possible to define [[generic record]]s, [[generic array]]s and [[ge

...e Amiga SDK. my_LibBase can be a typed pointer, a dword or a void pointer. It's recommended to use PLibrary or the library's own type if one exists or po ...pports file name length above 30 characters is highly recommended. Lack of it may cause unexpected results or compilation failures, especially in case of

The following packages must be installed: ...formation, including how much SRAM the controller has. You can then cancel it with Ctrl+C.

# Updated 0.2 version to make it compile on the latest Lazarus (0.9.10). # Added LCL to the required packages.

...rt is a group of components to add reporting capabilities to applications. It uses a visual designer to create banded reports and includes a report engin LazReport is based on FreeReport 2.32 and thanks to Fast Reports Inc. it's available under modified LGPL, the same license as the Lazarus LCL.

...e, or part of it, but you don't know on which page it was? This tool finds it: ...'View all' from the menu; this will pop open a dialog(also you can achieve it by pressing Ctrl+Alt+P).

* TKPrintPreview - control for displaying print preview, it is part of KControls built in printing capabilities, every visual control s ...ols is provided free on 'as is' basis, with complete source code. However, it is licensed software. More information about license can be found in source

The <code>SQLDBRestBridge</code> unit in ''fpc/packages/fcl-web/src/restbridge/sqldbrestbridge.pp'' offers a means to expose any da ...ot meant as a general REST API framework, for this other frameworks exist. It is also not a RPC framework.

...and not client bounds. Also constraints will affect real bounds. For now, it is supported only by win32. ** new event OnArrowClick. It is called if Style=tbsDropDown when the user clicks the arrow button area o

...for html, tex and rtf. It is a fully custom drawn component, meaning that it doesn't wrap native controls of each platform and that no external library * Components installed only if other packages are available:

A Z80 port is currently under development in Git "main" branch. To check it out, use: The compiler now includes an internal assembler and linker, so no extra packages are needed. Optionally, the assembler and linker from the SDCC package can

...u get a correctly initialized value of a type which is given as parameter. It can also be used with generic type parameters to get a default value of the * '''Notes''': In mode ''Delphi'' it's implemented in a Delphi-compatible way using ''record helper'' for declar

...rus IDE you have the choice of applications when you start a new project. It's possible to change the application type once the application was started, It is possible to support multiple environments within a single binary, althou

...iteup is for people who are interested in Lazarus and already know Delphi. It describes the differences between the two. Lazarus is a Rapid Application Development (RAD) tool like Delphi. That means it comes with a visual component library and an Integrated Development Environ

...till under development. In 2007 a stable compiler was released, which made it possible to release a WinCE add-on installer for the Lazarus 0.9.24 release ...haring between similar interfaces in the past with the gtk/gtk2 interface, it was decided to start a clean code for WinCE. Because the APIs are very simi

...is also a patch needed for FPC 3.2.0. Edit the FPC 3.2.0 source in <tt>../packages/cocoaint/src/CocoaAll.pas</tt> and comment out or remove the CoreImage link ..._FPC_3.2.0_for_macOS_10.10_and_earlier|this change]] to the source so that it will not attempt to link the missing CoreImage framework. Then compile usin

...TK world knows exactly what was needed but I sort of shotgun the process. It was simple. ...d just use the version that is available from SUSE 10. But I was told that it was better to use the latest version from the Lazarus web site.

If the SQLDB tab is missing, have a look at [[Install Packages]] for an "Install Howto". ...LConnection is used to store parameters to connect to the database server. It enables you to set the host to connect to, and the userid and password to u

:*You either set the target in Project options (by switching it from default to i386) ...ut errors. It will create an executable ''project1'', but you cannot focus it. The reason is that macOS expects some hidden resource files.

...am generated will remain on the screen until you have had a chance to read it; after you press 'enter' the console window closes. ...zarus-ccr.sourceforge.net/kbdata/OpenPackageSnapshot.png list of installed packages], with an invitation to [http://lazarus-ccr.sourceforge.net/kbdata/PackageC

Diese Möglichkeit gibt es nur für Projekte, nicht für Packages. .... Keep in mind that the first mode is the default mode for the project, so it must be stored in the project, not in the session file.

...for html, tex and rtf. It is a fully custom drawn component, meaning that it doesn't wrap native controls of each platform and that no external library * Components installed only if other packages are available:

*[[Lazarus Packages/ja|Lazarus パッケージ]] - Lazarus でパッケージを作成する方

...uilt on FreePascal, totaly written from scratch with Free Pascal compiler. It contains a Scheme implementation of a hard drive (ATA) driver, keyboard (PS ...-bit operating system written in Object Pascal using Free Pascal Compiler. It’s designed for:

...depth, component order, etc). And only when OS handles needs to be created it converts to supported desktop format (but this doesnot change internal repr ** TIcon can create HICON handle and thus we can finally use it to set Form.Icon and Application.Icon

...e, and provides many features and options not available in earlier docking packages. *'''What you see is how it is structured''': There are no hidden panels to align controls in rows and

...ns for programs]] - How to provide localized versions of your programs and packages ...a bug report]] - You think you found a bug in Lazarus, how can you report it?

...nded by anyone who had encountered a unique problem and would like to post it for others to be aware of. ...leased their entire commercial offering under the MPL. A list of available packages can be found [http://sourceforge.net/users/tpsfadmin/ here].

...building game [http://c-evo.org/ C-evo] inspired by Civilization II game. It was originally developed for Windows using Delphi 4 but later fully porter .../computers/hearts/hearts.html Common Loon Hearts] is the card game Hearts. It is written in Free Pascal with the Lazarus IDE for Windows and Linux. Sourc

...notary service also publishes that ticket online where Gatekeeper can find it. {{Note|'''Even if an application has not been notarized, it can still be run by control-clicking on the app, or right clicking for the

...an show help for dialogs as well. It should also be able to write help for packages. ...осле 1.0||-||-||A simple icon editor with the ability to create lrs files. It will be a good example and can help newbies to create icons for their compo

...ferably something which has been stuck for some time without anyone fixing it, and which is of strategic importance for Lazarus/FPC to be a viable softwa ...selection of LCL (or IDE) features ||N/A||?||?||?||See fpc (compiler, rtl, packages) test suite. Uploading fpcunit results to a database is possible via [https

// make sure you register your test along with the decorator so it knows to run the setup/teardowns RegisterTest(Ttestexport1); //you pass the class name to register it for running

...able for Lazarus programs and usually for FPC (FPC can be compiled without it, but that only happens on purpose for low-memory embedded systems etc) * FPC Packages: other packages provided by FPC

This tutorial is written for use with recent Lazarus versions (Laz 1.0); it should also work on older versions Lazarus 0.9.30. .../showfiles.php?group_id=9028 Firebird] (if possible version 2.0 or newer). It's easiest if you use standard settings (e.g user name SYSDBA and password m

...mon manager which is started by the kernel during the system boot process. It manages processes, both for the system as a whole and for individual users. ...primary reason for running daemons as root. Because launchd runs as root, it can create low-numbered TCP/IP listen sockets and hand them off to the daem

...nction that shows already translated terms in various open source software packages. These function may save you a lot of work and improve consistency. ...unit1.de.po. To achieve this, copy the unit1.po file to unit1.de.po, unit1.it.po, and whatever language you want to support and then the translators can

...stumble across. It is not something which any one individual can do alone. It takes a community. As the longest journey begins with the first step, here ...x fixes branch containing mostly bug fixes, plus some updates for included packages. A new target aarch64-darwin was also backported from trunk. [https://forum

...ress|Alt|F}} on the keyboard (provided the main menu window has focus: if it has not, hit {{keypress|Tab}} repeatedly to cycle focus through the various * '''Cut''': Remove the selected text or other item and place it on the Clipboard.

From the 'Package'/'Install/Uninstall Packages ...' window, select LazActiveX 0.1, click 'Install Selected' and then 'Save ...the TActiveXContainer on a form, instantiate the ActiveX object and assign it to the ComServer property. Suitable for early binding and with event suppor

...z wiersza poleceń. Musisz najpierw zainstalować i skonfigurować fpc i fpc-packages. clean deletes files that 'bigide' creates. It does not clean up all possible

...n support the Kylix side of Indy. (anything that uses unit libc). I ported it only as step up to native Unix RTL using Indy apps. .... While conversion to Indy9 might be simpler for people, keep in mind that it only works on Win32 (and theoretically could be ported to Linux/x86).

...get the RPM or DEB of the Free Pascal compiler (compiler / linux) and its packages. If you don't have an RPM-based or debian-based distribution, you can downl ...re '''not using RPMs or debian packages''' (even if you plan to use alien) it's best to get latest stable fpc (2.2.2 as of now) and install Lazarus from

...update to ver.0.9.28. Save it as something like "InstallLazarus.sh", give it execute permission, and run after getting root privileges using su. Don't m ...not provide the complete set of tools (FPC+sources+documentation+Lazarus) it is better, in my opinion, to have complete control on all of them through r

The idea behind DCPcrypt is that it should be possible to "drop in" any algorithm implementation to replace ano Since v2.0.4 it compiles with FPC 2.4.1 and has been tested under 32-bit & 64-bit Linux and

....x, the RTL was based on the ones of Turbo Pascal and Delphi 7. This means it was primarily based around the ''shortstring'', ''ansistring'' and ''pchar' ...defined way (*) with a previous version of FPC and make no changes to it, it should continue to work unmodified with the new FPC version. Guaranteeing t

...base components such as [[TDBGrid]]s. The advantage of using SQLDB is that it is fairly easy to change to a different database such as Firebird or Postgr Depending on what you use it might also be necessary to enable the encryption separately [https://www.sq

It is a little known fact that you can use regular expressions to match and re * [[RegEx packages]] - cross platform.

...hing by default: the .Execute method must explicitly implement support for it to quit its job. The exact working of Synchronize depends on the platform, but basically it does this:

# Write a package, install it and register your plugin(s) in the 'Register' procedure of a unit. == Packages and Makefile Dependencies ==

While every platform in Free Pascal has it's own compiler binary (e.g. ''ppc386'', ''ppcarm'', etc.) there is the bina After you compiled the ''fpc'' binary you can replace your old one with it and copy the ''ppcjvm'' to the directory where all other compilers are loca

...ase read the paragraph "Do you need multi-threading?" to determine whether it is really required; this may save you many headaches. ...the application keeps responding (almost) as if it were idle. In this case it is a good idea, before starting the thread, to disable the buttons of the f

The gtk2 widgetset is stable and all components work. And it needs optimizations. ...rst thing to do is to install the gtk2 libraries including the development packages. For example: linux/debian systems call them libgtk2.0-dev. There are compl

...uite conventional compared to other charting packages and applications. Is it possible to give the chart background a more interesting design? Create a new project and add a <code>TChart</code> to the form. Client-align it such that the chart fills the entire form. Drag the form borders such that

nterrupt it and edit and set branches-maxRev and tags-maxRev to 47332 (it should be at 47330)

* Powerful EControl lexer format, and it's easier to create/edit lexers (GUI in external program) * Windows version can use different Python engine (packages in add-ons)

...not need much setup. It can create binaries for many platforms. Just tell it to do so. ...for a certain CPU (because different CPUs need different machine code) and it knows specific requirements for all supported platforms (operating systems)

# Allez dans '''<votre répertoire zeosdbo>/trunk/packages/lazarus/''' et ouvrez '''zcomponent.lpk''' ...from the second string. This bug was found by [[User:Jesusrmx|Jesusrmx]]. It will probably be fixed soon, see [http://www.freepascal.org/bugs/showrec.ph

...uses the fpspreadsheet library, add the '''fpspreadsheet_pkg''' package to it's Lazarus project, or add the base directory of fpspreadsheet to you compil ...tabase table to a spreadsheet file using virtual mode or '''TFPSExport'''. It also shows importing the spreadsheet into a database using virtual mode.

My day job is Director of IT for a document management company. We scan around 60,000 images of paper me ...grating data we produce with our software into various types of management packages. Due to the large volume of data we work with, we have special servers desi

...can do a check by parsing the output of ppc386 -i if it is 2.0.2 .. 2.1.x it is ok. * - dependant packages. (for FreeBSD that is gtk12, glib12 and gdk_pixbuf and GNU make, iconv and

...ot for the user. Users will either simply shrug their shoulders and ignore it in the best case, or choose another program in the worst case because witho * The IDE will automatically load .po files for installed packages, if they exists. For example see lazarus/components/projecttemplates/langua

...lient to build FPC and/or Lazarus in a self-contained directory structure. It is meant as a thin wrapper around the regular manual svn up/make/make insta It was made by and maintained by the late Reinier Olislagers (BigChimp).

Lazarus 支援數種非內建資料庫，而開發者仍應安裝各資料庫所對應的元件(Packages)。你可以透過程式碼或直接拉元件(components)至表單(from)來 ...能的路徑為 /usr/share/fpcsrc/packages/base/mysql/ (rpm 安裝) 或者 C:\lazarus\fpcsrc\packages\base\mysql\ (Windows)。 這個資料夾也包含了 mysql.pp, mysql_com.pp

...ngs but that may need to be dealt with at a later stage. And, importantly, it really does work pretty much the same way across Linux, Windows and Mac. Po It will contain 5 blocks.

...piler is currently being developed in FPC trunk (the development version). It started as a hobby project meant to explore how to port FPC to a new platfo * It's possible to write [http://en.wikipedia.org/wiki/Terminate_and_Stay_Reside

...ation for people who want to publish Free Pascal and Lazarus related news. It can be used freely for any use; no copyrights will be claimed.'' ...993 Free Pascal has evolved into an advanced piece of technology. Nowadays it is widely considered one of the best Pascal compilers ever written.

FPC compiler, RTL, packages and utils are located here: You may want to use an access token and HTTPS access, it has some advantages.

BSD 3 as it is being inherited from the zint source code. The download contains the packages ''lazbarcodes'' and ''lazbarcodes_runtimeonly''. The first one gives you vi

...bon API unit von FreePascal ist FPCMacOSAll.pas in /usr/local/share/fpcsrc/packages/extra/univint. * Title: You cannot change it at runtime. You have to set it in Application Bundle.

...rus is an Rapid Application Development (RAD) tool like Delphi. That means it comes with a visual component library and an IDE. The Lazarus component lib ...e Pascal]] compiler (FPC). FPC runs on more than 15 platforms. But not all packages and libs are ported, so Lazarus currently runs on Linux (i386, x86_64), Fre

* [[BGRAControls]] - Komponenten, die die Stärken des [[BGRABitmap]]-Packages ausnutzen. BGRAImageList, BGRASpeedButton, BGRAButton, BGRAPanel. ==Packages für FPC/Lazarus (externe Links)==

...DB 7.5</u>: GDB 7.5 is not supported by the released 1.0. Fixes to support it were made in 1.1. ...t or package options, it should be ensured that this is done for '''all''' packages and the project.<br />

It´s a great reference. The preface and the first chapter are very good to un Now, on Windows we can easily export a variable with Free Pascal. Just put it on the exports section. On Linux, Free Pascal doesn´t yet support exportin

* Old behavior: DoubleBuffered wasn't properly implemented and it was forced True ...Delphi-compatible DoubleBuffered/ParentDoubleBuffered concept was created (it is equal to the Font/ParentFont concept).

...rences of numbers in the search string which we then output using NSLog(). It uses the NSRegularExpression convenience methods for returning all of the m Once we have the NSRegularExpression object, we can then use it for matching text among other operations.

clean deletes files that 'bigide' creates. It does not clean up all possible |удаляет файлы, которы

...ted capabilities of the embedded systems supposed to be used, building all packages is not useful. However, one must be careful to avoid overwriting an existin Below you find a simple example program for the LPC2124 microcontroller, save it as tled1.pp to follow the description. The program is made for development

# Перейдите в '''zeosdbo_rework\packages\lazarus\''' и откройте '''zcomponent.lpk''' * открываете файл zeos\packages\lazarus\zcomponentdesign.lpk

...orial on writing cross-platform applications with Lazarus and Free Pascal. It will cover the necessary precautions to aid in creating a cross-platform re ...test deploying and running your program on the other platforms. For that, it will be helpful to have unrestricted access to machines running the target

* 1783ee35 LCL-Gtk2: fixed handling of dragging image coordinates when it is dragged to non-client widget area, patch by Alexander (Rouse_) Bagel, is * 5b65498e LResources: deprecate TUtf8Parser class. It's not needed anymore.

...generator tool to protect your security with randomly generated password. It runs on Windows and Linux. No installation required. This tool has GUI and ...uickly find files and folders on your PC running under Windows 10, 8, 7... It is able to sort out files and folders according to their properties (e.g. M

...how the usage of the [[SQLdb Package]] on the basis of practical examples. It is primarily targeted at newbies. If somebody is looking for basics about d While this tutorial may seem long, it mostly is just a lot of text that explains why you should type what you typ

As Lazarus uses the FPC compiler, you can also use packages provided by FPC. See [[Package List]]. ...Supports the formats from MS Excel (XLS, XLSX, Excel XML) and OpenOffice. It also supports these file types: CSV, HTML, Wikitables.

* '''Remedy''': Either change the code so it no longer assigns regular arrays to dynamic arrays, or add ''{$modeswitch a writeln(arr[0]); // writes 0, because it calls test(tdynarr)

This Wiki article is a tutorial for [[Lazarus]]. It explains the first steps to get a working piece of software and explains so ...does not describe the [[Installing_Lazarus|Lazarus installation process]]. It is assumed that Lazarus is installed and ready for use (preferably the late

...to delegates. It supports cancelling, resuming, and suspending tasks, and it provides the ability to resume suspended, cancelled, or failed downloads wh ...of session (determined by the type of configuration object used to create it),

The compiler used to accept the above program, but now it will give an error at the call to ''test''. * '''Remedy''': Rewrite the affected code so it that all var/out-parameters and the class types passed to them match exactl

...has increased a lot, and many commercial projects are being developed with it. The idea behind the Bounties is '''not''' to substitute the current Mantis ...ce is too low. Also, try to keep all bounties above 50 dollars. Below that it usually won't be worth the time investigating the problem. Please also date

...est your code. It uses the extra-information stored in your binary to test it. But once your program is working well, you may delete those infos and redu ...es not use images compressed in one of those formats, then you can exclude it.

...ecial attention, that NTFS is non-case sensitive when used in Windows, but it is case sensitive when mounted by POSIX OSes. This could cause '''various p ...multi platforms. Normally you can simply copy the project and the required packages to another machine and compile them there. You don't need to create one pro

* GetIDEConfigStorage when loading checks if the file exists and if not it will copy the template from the secondary config directory. It is straightforward to customise existing LCL components, e.g. if you want t

:PasDoc开发者发布PasDoc 0.16.0，一个Pascal文档生成器。It's a big release gathering lots of small and large features we made in the l :The repository to get the newest, up to date, SDL2 units has changed. It can now be found here: https://github.com/PascalGameDevelopment/SDL2-for-Pa

...ned by the user. Beside the properties inherited from its ancestor classes it defines some properties to customize the generated output. ...or''' or '''QuoteChar''' is already present in field value, if affirmative it behaves as if ''qtQuoteChar'' has been specified, on the contrary case, the

...ure with the same name and parameter list. If there is no exact procedure, it jumps to the best candidate and positions the cursor on the first differenc ...and position the cursor right on 'DoSomething'. Then you can simply rename it there too. This works for parameters as well.

...fen und Ihr Formular erweitern können. Die Unit '''MenuIntf''' des IDEIntf-Packages enthält die gesamte Registrierung für Menüs und viele Standard-Menüpunk ...IDE werden in einem einzigen Verzeichnis als xml-Dateien gespeichert. Auch Packages können dort ihre eigenen Dateien ablegen. Das primäre Konfigurationsverze

...some Synapse Pascal source code files to your code; no need for installing packages etc. The only exception is that you will need an external crypto library if ...to put the binary library file in your project path (Windows), or install it into your library search path (Linux, macOS, FreeBSD).

...icrosoft Excel file, DBF, CSV etc. Although the program is fairly trivial, it shows: '''CoreNet ISP Management''' is a fully ISP management software package. It is a freeware Windows application [website dead].

# Updated 0.2 version to make it compile on the latest Lazarus (0.9.10). # Added LCL to the required packages.

* Reason: it contained functional code only if the compiler was pre 3.0. It was added to component OpenGlContext in trunk r63636. Please use it as an example if needed.

...directory and create a file named .rpmmacros and place the text bellow on it. Make sure to change the directories to the correct ones on your system. ...html and Macromedia Flash files. Flash files cannot be build on Linux, so it's not possible to create a source package in this case.

It can be handy to have a sort of "Rosetta stone" that roughly translates task ..., ansipos functions. Regular expression support is provided by the [[RegEx packages]].

...n be converted far more easier. A nice feature of the h2pas wizard is that it uses temporary files, so the c header files remain unchanged. ...h2paswizard package in the Lazarus IDE. Go to "Package->Install/Uninstall Packages", select from the right list the H2PasWizard package and click 'Install sel

...ial 1 (deutsch)]] - Dieses Tutorial hat das Ziel, die Verwendung des SQLdb Packages anhand praktischer Beispiele zu demonstrieren ...rogrammen (deutsch)]] - Wie man lokalisierte Versionen Ihrer Programme und Packages erstellt

...ysroot> (recent trunk) that can be used to specify the target system root. It's used for: ...or i386-linux instead of passing /lib, /usr/lib, and /usr/X11R6/lib to ld, it will pass <sysroot>/lib, <sysroot>/usr/lib, and <sysroot>/usr/X11R6/lib to

* '''Reason''': FPC_EMPTYINTF had to be removed due to dynamic packages support on PE-based systems ...ason''': As for the RTTI the indirect references are necessary for dynamic packages.

With Free Pascal and Lazarus it is possible to write these daemons/services in a platform-independent manne ...stall the LazDaemon package either via "Components" - "Configure installed packages" or by installing the lpk file directly from .../lazarus/components/daemon/

...ceforge.net/p/lazarus-ccr/svn/HEAD/tree/components/lazmapviewer/ and unzip it to some folder. ...</tt>. Click "Compile", then "Use" > "Install". This will rebuild the IDE (it may take some time). When the process is finished the IDE will restart, and

...ge will never be complete. You are encouraged to continue adding things to it that&#160;— ...for i386, MC68000, ARM processors, etc.) and by being much more low-level: it deals with very specific instructions to move data and perform detailed ari

...ese days as a useful attribute. Instead, we can retrieve the number of CPU packages, physical CPUs (cores) or logical CPUs (the same as HW_NCPU). To do so requ ...nd earlier are missing this identifier (fixed in FPC 3.2.2). So, we looked it up and found:

...MS Accesss. It includes an ODBC driver which might be used. Try installing packages like mdbtools mdbtools-dev mdbtools-gmdb (Note: error handling has not been tested; please update page if you tested it)

...RichMemo API can be [[#(Delphi) RichEdit like interface|extended]] to make it Delphi's RichEdit compatible. * Open '''richmemo_design.lpk''' package, and install it, rebuilding the IDE.

...our Pascal library and sends all events to it and also obeys commands from it. The communication is done via JNI as supported by Google. The controls are ...This method was abandoned because it was considered unsupported by Google. It is considered obsolete and people should use LCL-CustomDrawn-Android instea

...r Debian distribution, on which the author of this article works. However, it may be very simple to translate this for other Linux distributions. You need to have the kernel headers packages installed

...la selezione''': Inserisce il testo selezionato all'interno di [[Comments/it|commenti]] inserendo // su ogni linea. ...procedures it adds the procedure bodies. On event assignments (OnClick:=) it adds the method definition and the method body. See [[Lazarus IDE Tools]].

...eport]] (which itself appears to be a translation from a French document). It was updated for LazReport (instead of FastReport) on Lazarus (instead of De Click the band icon, go to the report surface, and click on it to drop a band object.

...our Pascal library and sends all events to it and also obeys commands from it. The communication is done via JNI as supported by Google. The controls are ...This method was abandoned because it was considered unsupported by Google. It is considered obsolete and people should use LCL-CustomDrawn-Android instea

TAChart is Lazarus' powerful charting library. It consists of numerous classes and declarations distributed over some 50 unit ...ten quite cumbersome to find a certain application of interest. Therefore, it is the intention of this wiki page to provide some kind of catalogue of the

...is is a simple '''TWebModule''' descendant which is usable in Lazarus IDE. It has a single ''Dispatcher'' property which must be set to a '''TSQLDBRestDi ...ion item, found in the 'Resources' property of the '''TSQLDBRestSchema'''. It represents a single REST resource.

...arent is not automatically switched from True to False now, you have to do it yourself. This is in compliance with Delphi and also solves problems with C * TShellListView now subclasses TListItem, so it can store file info in it.

* '''Abort build''': Stop the build process once it is running - either you have remembered that you did something silly and wa ...box will appear and all your text i/o (readln, writeln etc) will appear in it.

* png only implements basic chunk types (idat,trns,plte,ihdr and iend). It e.g. can't handle chunks like pHYs,iCCP,gAMA,cHRM yet. ([http://bugs.freepa ...ple format, usually used without compression and without transparency, but it may also have them, although many applications don't support those extra fe

*Output directory is h2pas/, which is the default, so leave it empty

...out "bloat" at nearly everything clouds the global picture often more than it contributes to clarity. * With small apps it is a bit harder to estimate. This is because the exact RTL size is OS depen

...other runtime errors in the 2xx range have appropriate exception types, so it is only natural to have an explicit type for runtime error 210 as well. ...e facto'' not supported, and all data could be modified at runtime even if it was not intended for modification (except in some cases on Darwin). This co

...nsufficiently rigorous, and allows poor programming practices to creep in. It is also vulnerable to problems such as memory leaks and buffer overflows. B ...for the structured storage of large amounts of data and for easy access to it. Many of the websites on the internet make extensive use of databases: for

...d one major bug fixed (WinCE compilation with FPC 2.4.0+). Grab it at SVN, packages will be uploaded ASAP. ...d FPC conflicts. I didn’t find the time to do the QT4 port as I wanted but it’s in the works now. Some SSL fixes were made as well.

...code comments, via "Comments" plugin. Plugin is preinstalled in CudaText. It gives about 6 commands in menu "Plugins / Comments". Plugin supports only a Plugin "Comments" has several options, and it gives the dialog to change them: menu item "Options / Settings-plugins / Co

...rop, mORMot datastore, new fields, holiday support, designtime and runtime packages (version 1.06) * These versions were available at the time of writing this update. It is not excluded that the package can be used with older versions as well.

*** Es können Zusatz Packages mit installiert werden. # FreePascal Compiler, Packages, und Quellen. (*wichtig*: von der selben Version/Datum)

"Richtig hinbekommen" (To get it right) bedeutet in diesem Zusammenhang, dass die Übersetzungsstrings für * Die IDE lädt automatisch die .po-Dateien für installierte Packages, falls sie existieren. Für Beispiele siehe: lazarus/components/projecttemp

xcopy %myFPC%\packages %instdir%\source\packages /H /Y /C /R /S /I ...оманды предназначены для копирования содержимого директорий '''rtl''' и '''packages''' в новую директорию компилятора.

...ages, please refer to the fptemplate.txt file under your FPC directory in /packages/fcl-base/texts/. ...that demonstrate using templates can be found under your FPC directory in /packages/fcl-web/examples/fptemplate/ (see the README.txt in there for more).

Si l'onglet SQLDB manque, consultez la page [[Install Packages/fr|Installation des paquets]] pour le "Comment-faire de l'installation" ('I // Check if we have an active connection. If so, let's close it.

...ackages/rtl are now in packages/rtl/src and the namespaced versions are in packages/rtl/namespaced ===Unitpaths of default packages in pas2js.cfg===

...arus unit that provides compatibility with Delphi in a cross-platform way. It also contains some additional functions On defining a new [[Lazarus Packages|package]], make sure that [[LCL]] is added as requirement to get rid of 'mi

...een deprecated by Apple. It is not available in 64 bit macOS applications. It was completely removed from macOS 10.15 Catalina (October 2019). The Carbon ...Utilities</tt> and drop it on the dock so you always have it handy. Launch it whenever you want to see messages or errors output to the console by GUI ap

...hare/fpcsrc/packages/base/mysql/ (rpm Installation) oder C:\lazarus\fpcsrc\packages\base\mysql\ (Windows). Dieses Verzeichnis enthält auch die Units mysql.pp, ...pt dates in the usual formats. The button btnTest must be clicked first as it creates the connection with the dbms. Note the line that applies updates -

Some charting packages include special "fast line" series to quickly draw ...ontrol bar width with <code>BarWidthPercent</code> property. Note that the it is measured relative to the

It can be found in the tools directory of a Lazarus installation. ...he call to SetSubComponent. This is necessary for the IDE so it knows that it has to store the properties of the embedded component as well. TLabel is no

...are not particularly relevant to Free Pascal, and Docker containerisation. It does not consider x86-on-x86 virtualisation systems such as VMware, Microso ...t performance will drop off drastically with a lower specification system. It has two internal drive cages, the first is connected to a RAID controller a

# Compilador de FreePascal, pacotes (packages), e fontes ( sources). (*important*: of the same version/date) (THEPREFIX= usually is /usr/lcoal, but e.g. on NetBSD it is /usr/pkg for ports)

- Gnu binutils (gnu as, gnu ld, gnu make) - check it out with "YAST"

...MS Accesss. It includes an ODBC driver which might be used. Try installing packages like mdbtools mdbtools-dev mdbtools-gmdb

The '''Raspberry Pi''' is a credit-card-sized single-board computer. It has been developed in the UK by the Raspberry Pi Foundation with the intent ..., this affects the routine rebuild of the IDE that happens when installing packages for example. The solution is to increase swap size (below).

...43f4 Packager: Use pure package name of a dependency when searching online packages. ...: Do not comment out {$R *.res} directive even if the file does not exist. It will be generated. {{LazIssue|39336}}.

...different colours for punctuation marks, comments, string constants etc. It will also maintain the level of indentation from line to line as you type i ..., in tree form, the structure of the code in the current unit or program. It usually opens with just the Unit name and branches for Interface and Implem

...st eine Kommandozeilenversion der IDE zum Bau von Lazarus - Projekten und -Packages. '''Hinweis:''' Vergessen sie nicht, die Entwicklungs Packages für ihr Toolkit zu installieren. Andernfalls können sie eine Meldung wie:

...ol can show a number of fields in a row/column layout - in fact by default it shows them all. Sin embargo, se pueden poner entradas dentro de [[doc:lcl/ ...e se puede utilizar para probar la funcionalidad. Ver el directorio source\packages\fcl-db\tests\ en el árbol de directorios de instalación de FPC.

...eePascal Component library,obsahujúca väčšinu nevizuálnych komponentov použitých v Lazarus # prekladač FreePascal, balíčky a zdrojové kódy (*dôležité* rovnakej verzie/dátumu)

...[http://upx.sourceforge.net/ UPX]. UPX - это очень хороший exe-упаковщик. It includes no memory overhead due to in-place decompression. И также и Эта утилита используется для сборки проектов и lazarus-пакетов (packages).

....2em; width: 25%;" | [https://github.com/Alexey-T ''other required lazarus packages''] ; bre : Breadcrumb bar. It is a plugin which needs to be installed in Addons Manager.

...r/share/fpcsrc/packages/base/mysql/ (rpm install) oppure C:\lazarus\fpcsrc\packages\base\mysql\ (windows). Questa directory contiene anche le units mysql.pp, m ** Error: "Can not load Postgresql client. Is it installed (libpq.so) ?"

...etely in FPC, runs on many platforms like Windows, Mac and Linux and more. It is built modular consisting of the following parts: Put + after a boolean switch option to enable it, - to disable it

application with it. Note that this tutorial does '''NOT''' attempt to teach HTTP protocol, HTM Before starting, it's necessary to know the architecture and application flow to avoid confusio

The class <tt>TsWorkbook</tt> is the main class visible to the user. It provides methods for reading data from and writing to files. The versatile ...e no plans to implement "ancient" file formats like Excel3.0/4.0 or Lotus. It is possible, however, to provide your own reading and writing classes to ex

...usr/share/fpcsrc/packages/base/mysql/ (rpm install), или C:\lazarus\fpcsrc\packages\base\mysql\ (windows). Этот каталог содержит также Ошибка: "Can not load Postgresql client. Is it installed (libpq.so) ?"

...obei &lt;Sprachkürzel&gt; dem üblichen Sprachcode (en=English, de=Deutsch, it=Italienisch, ...) entspricht. Die deutsche Übersetzung für ''unit1.po'' w Für Packages wählen Sie in den Package-Einstellungen 'i18n'.

It is [[Comparing TAChart with Delphi's TeeChart Standard|comparable in featur ...improved older descriptions in previous versions, as well as the fact that it includes details about the newest features.

*r64070 IDE: Don't cut a dotted TargetFilename when adding an extension to it. {{MantisLink|34665}}. ...nualscrollview into manualscrollhost. The host itself is a scrollview. But it is not used for Scroll, but rather for the feature of drawing the border. {

<tt>FormatIndex</tt> is the index of the cell format record. It describes the formatting attributes of a cell. These records are collected ...xpects the value to be in line count, and <tt>DefaultColWidth</tt> expects it to be in "0" character count. Other size units can be applied if using the

...' demo found in the ''examples'' folder of the FPSpreadsheet installation) it is desirable to calculate formulas automatically whenever formula strings o ...here and can be dropped. The formula is stored in the cell record without it.

...elphi]]- ja [[Kylix]]- koodeja, ne eivät tarvitse käännettyjä käännösyksiköitä tai asennettua Borland / Embarcadero-kääntäjää. Delphi- ja FPC-koodi It is invoked, when the cursor is on a forward defined procedure.

...resolve some occasional compilation issues. Projects which do not use the packages but the path to the sources must adapt the paths.</li></ul> ...nterfaces to a workbook via tha WorkbookSource component. In the long run, it will replace the older TsWorksheetChartSource which required contiguous x/y

...he static files serving (go to tips and tricks section if you want to know it more).</syntaxhighlight> * примеры - чтение текстовых файлов - в вашем каталоге ...\fpc\x.x.x\source\packages\fcl-web\examples.<br>

...resolve some occasional compilation issues. Projects which do not use the packages but the path to the sources must adapt the paths. ...nterfaces to a workbook via tha WorkbookSource component. In the long run, it will replace the older TsWorksheetChartSource which required contiguous x/y