Logo New book: Delphi 2007 Handbook
My blog in online
Delphi tech support service: support.marcocantu.com
Google
  Web www.marcocantu.com

Menu for Development

Site Menu
Delphi 2007 Handbook
Mastering Borland Delphi 2005
Essential Pascal
Essential Delphi
Buy Books Online
Code Repository
Newsgroups
White Papers
Tools
Conferences
Training
Delphi Links
Contact Marco

My Other Sites
Italian Site (www.marcocantu.it)
Developers Newsgroups Browser (dev.newswhat.com)
My town (www.piazzacavalli.net)
the delphi search
Wintech Italia (my company)

Breaking News
Buy Mastering Borland Delphi 2005 from Amazon
Free ebook: Mastering Delphi Update for Delphi 2006

Advertising
Home My Blog Books My Bookstore Development Links Marco


Home: Code Repository: Mastering Delphi 6

Chapter 19 - Project NewGuid

Project Structure

NewGuid.dpr
program NewGUID;

uses
  Forms,
  GuidForm in 'GuidForm.pas' {Form1};

{$R *.RES}

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.Run;
end.
GuidForm.pas
unit GUIDForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    BtnNew: TButton;
    Memo1: TMemo;
    procedure BtnNewClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

uses
  ComObj, ActiveX;

procedure TForm1.BtnNewClick(Sender: TObject);
var
  ID: TGUID;
  S: string;
begin
  if CoCreateGuid (Id) = s_OK then
  begin
    s := GUIDToString (Id);
    Memo1.Lines.Add (S);
  end;
end;

end.
GuidForm.dfm
object Form1: TForm1
  Left = 207
  Top = 109
  Width = 435
  Height = 244
  Caption = 'New GUID'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = True
  PixelsPerInch = 96
  TextHeight = 13
  object BtnNew: TButton
    Left = 8
    Top = 16
    Width = 75
    Height = 25
    Caption = '&New'
    TabOrder = 0
    OnClick = BtnNewClick
  end
  object Memo1: TMemo
    Left = 96
    Top = 16
    Width = 321
    Height = 185
    TabOrder = 1
  end
end