lazarus/examples/messagedialogs.pp
2017-01-29 21:04:32 +00:00

86 lines
3.1 KiB
ObjectPascal

{ ***************************************************************************
MessageDialogs - example
------------------------
Just a simple example to show & verify functionality of the lazarus
functions to deal with message dialogs.
by Stefan Hille <stoppok@osibisa.ms.sub.org>
****************************************************************************
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
}
Program MessagDialogs;
{$mode objfpc}{$H+}
uses Interfaces, Classes, Forms, Dialogs, Buttons, StdCtrls, LazLogger;
type
TMainForm = class(TForm)
private
protected
public
button1 : TButton;
constructor Create(AOwner: TComponent); override;
procedure button1Click(Sender : TObject);
end;
var
MainForm : TMainForm;
constructor TMainForm.Create(AOwner: TComponent);
begin
inherited CreateNew(AOwner, 1);
Caption := 'Message Show';
Width := 200;
Height := 75;
Left := 200;
Top := 200;
button1 := TButton.Create(Self);
button1.OnClick := @button1click;
button1.Parent := Self;
button1.left := (width - 85) div 2 ;
button1.top := (height - 32) div 2;
button1.width := 85;
button1.height := 32;
button1.caption := 'Start Show';
button1.Show;
end;
procedure TMainForm.Button1Click(Sender : TObject);
begin
ShowMessage ('First simple test!');
DebugLn('Go to second dialog');
MessageDlg ('Caption', 'Two buttons now ...', mtError, [mbOK,mbCancel], 0);
MessageDlg ('Warning, not fully implemented', mtWarning, [mbYes, mbNo, mbOK,mbCancel], 0);
ShowMessageFmt ('The show will end now'+LineEnding+'%s'+LineEnding+'Good bye!!!', [MainForm.Caption]);
close;
end;
begin
Application.Initialize;
Application.CreateForm(TMainForm, MainForm);
Application.Run;
end.