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This unit provides various customisable message dialog box components. Three components are installed on the component palette. The installed components are:
A OpenHelp compatible help file is supplied that provides help on all the components. The help file integrates with the help system of Delphi 4 to 7. Although it does not integrate with the Delphi 2005 and later IDE at can be used independently of the IDE, albeit with some loss of functionality.
An .als
file is also supplied to assist in integration with
Delphi 6 and 7.
A demo program with associated explanatory help file is included in the download. The demo exercises each of the three components. It comes supplied with demo help files to enable experimentation with the components' HelpFile and HelpContext properties.
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The Message Dialog Components compile with Delphi 4 and later. They have been tested with Delphi 4, 6, 7 and 2006.
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The Message Dialog Components, documentation and demo program are supplied in a zip file. Before installing you need to extract all the files from the zip file, preserving the directory structure. The following files will be extracted:
PJMessageDialog.pas
– classes,
routines and component source code.
PJMessageDialog.dcr
– resource file
containing component palette glyphs.
PJMessageDialog.hlp
– help file that integrates with
the Delphi 3 to 7 OpenHelp system.
PJMessageDialog.als
– a-link keyword file for
integration with the Delphi 6 or 7 OpenHelp system.
ReadMe.htm
– this file.
ChangeLog.txt
– component's change log.
Demo\PJMessageDialogDemo.dpr
– demo program project
file.
Demo\PJMessageDialogDemo.cfg
– demo project
configuration file.
Demo\PJMessageDialogDemo.res
– resource file
containing demo project's MAINICON resource.
Demo\Icons.res
– resource file containing additional
icons required by demo program.
Demo\FmPJMessageDialogDemo.pas
– source code for demo
main form, including all demo logic.
Demo\FmPJMessageDialogDemo.dfm
– demo main form.
Demo\DelphiDabbler.ico
– demo program's icon file.
Demo\MainForm.hlp
– help file for demo, also
containing some sample topics for use with dialogs.
Demo\DemoHelp1.hlp
– 1st demo help file with sample
topics for display from dialogs.
Demo\DemoHelp2.hlp
– 2nd demo help file with sample
topics for display from dialogs.
You can now proceed to install the components and property editor using the
emphasised files above. Installation methods vary between
Delphi versions, so follow the instructions that apply to your version
below. Note that $(DELPHI)
represents the
path where the appropriate version of Delphi was installed. Similarly
$(BDS)
refers to the installation path of a
version of the Borland Development System.
The components must be installed into a Delphi Win32 design package. It is
assumed that you will be installing into an existing package. You may decide
to install into the "user" package:
$(BDS)\Lib\dclusr.dpk
.
Borland Studio Projects
or $(BDS)\lib
folders.
PJMessageDialog.pas
and
PJMessageDialog.dcr
to the chosen installation folder.
.bpl
extension. Right click the package's entry and
select Add to display the Add dialog box.
Enter the full path to PJMessageDialog.pas
in the
Unit file name edit box (use the Browse button
to navigate to the file). Click OK to add the component
to the package.
PJMessageDialog.pas
from the
chosen installation folder.
The components must be installed into a design package. It is assumed that
you will be installing into an existing package. You may wish to use the
"user" package named dclusr.dpk
or
dclusrXX.dpk
(where XX
is a version number). This
package can be found in $(DELPHI)\Lib
.
$(DELPHI)\lib
folder.
PJMessageDialog.pas
and
PJMessageDialog.pas
to the chosen installation folder.
PJMessageDialog.pas
in the Unit file
name edit box (use the adjacent Browse button to
navigate to the file). Choose the required package from the
Package description combo box, or by navigating to the
package using Browse. Click OK to confirm your
selections.
PJMessageDialog.pas.pas
from
the chosen installation folder.
.als
file. The simplest way to install help is to use my
Component Help
Installer Expert (v2.2.1 or later). If you prefer to install
manually,
this
article explains the process.
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There are no known outstanding bugs.
There was a problem with TPJVCLMsgDlg displaying help in later versions of Delphi. This has been fixed in v2.1.
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A complete change log is provided in a text file that is included in the download.
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This source code is subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this program except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License.
The Original Code is Message Dialog Components.
The Initial Developer of the Original Code is Peter Johnson (http://www.delphidabbler.com/).
Portions created by the Initial Developer are Copyright © 2001-2005 Peter Johnson. All Rights Reserved.
All relevant trademarks are acknowledged.
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I'm Peter Johnson – a hobbyist programmer living in Ceredigion in West Wales, UK, writing write mainly in Delphi. My programs are available for download from: http://www.delphidabbler.com/.