examples/Delphi/ExNLog1.pas

(* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file 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 TurboPower SysTools
 *
 * The Initial Developer of the Original Code is
 * TurboPower Software
 *
 * Portions created by the Initial Developer are Copyright (C) 1996-2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * ***** END LICENSE BLOCK ***** *)

unit ExNLog1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    EL: TStNTEventLog;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    ListBox1: TListBox;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
    procedure MyOnRead(Sender : TObject; const EventRec : TStNTEventLogRec; var Abort : Boolean);
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ReadCount : DWORD = 0;

implementation

{$R *.DFM}

procedure TForm1.MyOnRead(Sender : TObject; const EventRec : TStNTEventLogRec; var Abort : Boolean);
begin
  Inc(ReadCount);
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  I : Integer;
begin
  EL.OnReadRecord := MyOnRead;
  Label1.Caption := IntToStr(EL.LogCount);
  for I := 0 to EL.LogCount-1 do
    Listbox1.Items.Add(EL.Logs[I]);
  Label2.Caption := IntToStr(EL.RecordCount);
  EL.ReadLog(True);
  Label3.Caption := IntToStr(ReadCount);
end;

end.
1	(* *** BEGIN LICENSE BLOCK ***
2	* Version: MPL 1.1
3	*
4	* The contents of this file are subject to the Mozilla Public License Version
5	* 1.1 (the "License"); you may not use this file except in compliance with
6	* the License. You may obtain a copy of the License at
7	* http://www.mozilla.org/MPL/
8	*
9	* Software distributed under the License is distributed on an "AS IS" basis,
10	* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11	* for the specific language governing rights and limitations under the
12	* License.
13	*
14	* The Original Code is TurboPower SysTools
15	*
16	* The Initial Developer of the Original Code is
17	* TurboPower Software
18	*
19	* Portions created by the Initial Developer are Copyright (C) 1996-2002
20	* the Initial Developer. All Rights Reserved.
21	*
22	* Contributor(s):
23	*
24	* *** END LICENSE BLOCK *** *)
25
26	unit ExNLog1;
27
28	interface
29
30	uses
31	Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
32	StdCtrls, StBase, StNTLog;
33
34	type
35	TForm1 = class(TForm)
36	Button1: TButton;
37	EL: TStNTEventLog;
38	Label1: TLabel;
39	Label2: TLabel;
40	Label3: TLabel;
41	ListBox1: TListBox;
42	Label4: TLabel;
43	Label5: TLabel;
44	Label6: TLabel;
45	Label7: TLabel;
46	procedure Button1Click(Sender: TObject);
47	private
48	{ Private declarations }
49	procedure MyOnRead(Sender : TObject; const EventRec : TStNTEventLogRec; var Abort : Boolean);
50	public
51	{ Public declarations }
52	end;
53
54	var
55	Form1: TForm1;
56	ReadCount : DWORD = 0;
57
58	implementation
59
60	{$R *.DFM}
61
62	procedure TForm1.MyOnRead(Sender : TObject; const EventRec : TStNTEventLogRec; var Abort : Boolean);
63	begin
64	Inc(ReadCount);
65	end;
66
67	procedure TForm1.Button1Click(Sender: TObject);
68	var
69	I : Integer;
70	begin
71	EL.OnReadRecord := MyOnRead;
72	Label1.Caption := IntToStr(EL.LogCount);
73	for I := 0 to EL.LogCount-1 do
74	Listbox1.Items.Add(EL.Logs[I]);
75	Label2.Caption := IntToStr(EL.RecordCount);
76	EL.ReadLog(True);
77	Label3.Caption := IntToStr(ReadCount);
78	end;
79
80	end.