ExtDlgs unit

extdlgs.pas contains extended dialogs available in Lazarus Component Library ( LCL) applications. It adds the following components to the Dialogs tab in the Lazarus IDE Component Palette:

• TOpenPictureDialog
• TSavePictureDialog
• TCalendarDialog
• TCalculatorDialog

Classes and records

TCalculatorDialog	class	Implements a pop-up calculator dialog used to perform simple calculations and return the value.
TCalendarDialog	class	TCalendarDialog - a popup calendar dialog that allows a date to be selected and returned to the main program.
TExtCommonDialog	class	The common base class for custom drawn dialogs (Calculator and Calendar).
TOpenPictureDialog	class	TOpenPictureDialog - a preview dialog that shows a preview of a picture before opening the file.
TPreviewFileControl	class	TPreviewFileControl - a windowed control allowing the contents of a file to be previewed before opening.
TPreviewFileDialog	class	TPreviewFileDialog - a dialog that allows the contents of a file to be inspected before opening the file.
TSavePictureDialog	class	TSavePictureDialog - a dialog for saving the picture in the current buffer to a file.

Procedures and functions

Register

procedure

Registers components in the unit for use in the Lazarus IDE.

Constants

DefaultOpenDialogPictureOptions

constant

Defines the default dialog options used in TOpenPictureDialog.

Uses

• Types
• Classes
• SysUtils
• LCLType
• LCLStrConsts
• LCLPlatformDef
• InterfaceBase
• Controls
• Dialogs
• Graphics
• ExtCtrls
• StdCtrls
• Forms
• Calendar
• Buttons
• CalcForm
• GraphType
• FileUtil
• LazFileUtils
• Masks