Package '#lcl'
[Overview][Index][Class hierarchy]

Reference for package 'lcl'

(LCL) Lazarus Component Library.

Units

`ActnList`		Defines classes for Actions and lists of Actions for use in LCL components.
`alllclunits`		Includes all of the LCL units and registers their components in the Lazarus IDE.
`Arrow`		Defines an Arrow symbol widely used in forms.
`AsyncProcess`		Implements a process with asynchronous event notifications.
`ButtonPanel`		Provides a panel with buttons using glyph images.
`Buttons`		Contains types and classes used to implement specialized buttons.
`CalcForm`		Contains classes and types used in TCalculatorForm.
`Calendar`		Classes and types used to implement TCalendar, a graphic control allowing selection of a date from a calendar display.
`CalendarPopup`		Implements a pop-up form with a TCalendar control for TDateEdit.
`CheckLst`		Classes defining TCheckListBox - a List Box with Check Box items.
`Clipbrd`		Definitions for the Clipboard to hold Cut or Copied data for Pasting.
`ColorBox`		Defines classes for selecting a color from a combo-box or a list box.
`ComboEx`		Contains classes, types, and routines used to implement the TComboBoxEx and TCheckComboBox visual components.
`ComCtrls`		Common controls used in Lazarus forms.
`Controls`		Contains types, constants, classes, and routines used to implement visual controls.
`CustomDrawn_Android`		Contains classes used to implement custom-drawn controls using the drawing style for the Android platform.
`CustomDrawn_Common`		Contains the common base class for renders in custom-drawn controls.
`CustomDrawn_Mac`		Contains classes used to implement custom-drawn controls using the macOS drawing style.
`CustomDrawn_WinXP`		Contains classes used to implement custom-drawn controls using the Windows XP drawing style.
`CustomDrawnControls`		Contains classes used to implement custom-drawn components or controls.
`CustomDrawnDrawers`		Contains classes and routines used to draw custom-drawn controls for various platforms, operating systems, or user-specified styles.
`CustomTimer`		Contains the definition of the base class for `TTimer`.
`DBActns`		Standard actions used to navigate and manipulate a dataset in a datasource.
`DBCtrls`		Data-aware controls commonly used for viewing and operating on information held in databases.
`DBExtCtrls`		Contains extended database controls.
`DBGrids`		Implements a data-aware grid to display and operate on information in a database.
`DBLogDlg`		Contains forms and routines used to implement a database login dialog.
`DefaultTranslator`		Performs string translations using the language selected for the project.
`DialogRes`		Contains types and constants used to access scalable dialog images.
`Dialogs`		Contains common dialogs used in Lazarus LCL applications.
`EditBtn`		Implements specialized edit controls with attached speed buttons.
`ExtCtrls`		Contains extra controls commonly used in Lazarus forms.
`ExtDlgs`		Contains extended dialogs used for Calendar, Calculator and Picture Open/Save tasks.
`ExtGraphics`		Types and routines used to implement extended graphic drawing.
`FileCtrl`		Implements list box and combo-box controls used to select files on the local file system.
`FindDlgUnit`		Contains a form template for the find dialog in LCL.
`Forms`		Implements Forms which are the basis for the LCL Graphical User Interface.
`Graphics`
`GraphUtil`		Contains routines and types used when drawing graphics.
`Grids`		Classes for displaying tabular data as a series of rows and columns.
`GroupedEdit`		Provides the base class for grouped edit controls.
`HelpIntfs`		Interfaces to define the abstract HelpSystem.
`IcnsTypes`		Provides support for Mac OS X icon resources.
`ImageListCache`		Implements a caching mechanism for TCustomImageList (TImageList) instances.
`ImgList`		Contains classes and types used in TCustomImageList, the base class for TImageList.
`IndustrialBase`		Contains the base class for a graphic control with an anti-aliasing setting.
`IniPropStorage`		Contains a component that stores Form Session Properties in INI format.
`InterfaceBase`		Provides a platform-independent widgetset class and helper functions.
`IntfGraphics`		Classes and functions for easy handling of raw images (interface images).
`JSONPropStorage`		Contains a component that stores Form Session Properties in JSON format.
`LazCanvas`		Classes and functions for extending TFPImageCanvas.
`LazDeviceApis`		LCL APIs for accessing hardware sensors (such as Accelerometer, GPS, etc) and integrated elements of the system (such as Calendar, Contacts, etc).
`LazDialogs`		Contains classes, types, and routines needed for Lazarus dialogs in custom-drawn and non-desktop environments.
`LazFreeTypeIntfDrawer`		LCL interface class for the text renderer in the FreeType package.
`LazHelpHTML`		Contains types and classes used to integrate and access help files in HTML format.
`LazHelpIntf`		Defines base classes used in the LCL help system.
`LazRegions`		Implements non-native regions with support for managing their Z-order.
`LCL`
`LCLClasses`		Defines the base class for all LCL TComponents including controls.
`LCLIntf`		Contains WinAPI-like functions for Delphi compatibility.
`LCLMemManager`		Base class for a memory manager used in the LCL and its interfaces.
`LCLMessageGlue`		Contains routines used to send messages from widgetset classes to the LCL.
`LCLPlatformDef`		Contains routines and types used in LCL Platform definitions.
`LCLProc`		Useful lower-level helper functions and classes.
`LCLResCache`		Classes and routines used to cache interface resources.
`LCLStrConsts`		Contains resource strings used in the LCL.
`LCLTaskDialog`		Deprecated. Implements a TaskDialog window for LCL.
`LCLTranslator`		Performs string translation in the Lazarus IDE and LCL.
`LCLType`		Provides compatibility with the Delphi Windows unit.
`LCLUnicodeData`		Container for Unicode, Inc copyrighted data.
`LCLVersion`		Contains the version number constants for the LCL.
`LDockTree`		This unit defines TLazDockTree, the default TDockTree used in the LCL.
`LMessages`		Contains Lazarus message codes and their mapping to message codes for other platforms/widgetsets.
`LResources`		Maintains a global list of Lazarus resources, and provides methods and types used to stream components.
`MaskEdit`		Defines classes, types, and constants used to implement a masked edit control.
`Menus`		Implements menus used in forms created with the Lazarus IDE.
`PairSplitter`		Defines the TPairSplitter component.
`PopupNotifier`		Contains the TPopupNotifier visual component.
`PostScriptCanvas`		Contains classes and types used to implement a PostScript printer canvas.
`PostScriptPrinter`		Contains classes and types used to implement a PostScript printer.
`PostScriptUnicode`		Contains classes and types used to provide Unicode support in the PostScript printer type.
`Printers`		Defines printer output devices for Lazarus applications.
`PropertyStorage`		Provides the base class for a storage container use to save and restore control or form properties.
`RegisterLCL`		Registers LCL components and packages.
`ReplaceDlgUnit`		Contains the form which implements a Replace Dialog.
`RubberBand`		Implements `TRubberBand` used to draw a "rubber-band" selection.
`ShellCtrls`		Contains controls which display files and directories.
`Spin`		This unit contains classes for spin edit controls.
`StdActns`		Defines standard actions used in Action Lists in the LCL.
`StdCtrls`		Standard controls used in the Lazarus Component Library (LCL).
`TaskDlgEmulation`		Implements an emulated task dialog for platforms where the Task Dialog API is not supported.
`Themes`		Implements Theme Services for supported platforms / widgetsets.
`TimePopup`		Contains forms, types, and routines used to display a pop-up for TTimeEdit.
`TmSchema`		Contains types and constants used for theme elements and details in theme services.
`Toolwin`		Implements a control which can paint its client area with optional borders.
`UTrace`		Defines an assertion error handler used for tracebacks in the debugger.
`ValEdit`		Implements the TValueListEditor grid control.
`WSControls`		Contains the base interface classes for widgetset controls.
`WSReferences`		Contains types used to represent references to widget set classes and their handles.
`XMLPropStorage`		Contains a component that stores Form Session Properties in XML format.

Description

The Lazarus Component Library (LCL) is a set of visual components to create GUI applications.

License Information

Documentation for LCL (Lazarus Component Library) and LazUtils (Lazarus Utilities) are published under the Creative Commons Attribution-ShareAlike 4.0 International public license, as described in docs/license.txt.

Details about the Creative Commons Attribution-ShareAlike 4.0 International public license is available both locally and online:

https://gitlab.com/freepascal.org/lazarus/lazarus/-/blob/main/docs/cc-by-sa-4-0.txt
https://creativecommons.org/licenses/by-sa/4.0/legalcode.txt
https://wiki.lazarus.freepascal.org/licensing