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Implement Registry

Posted on 2010-09-23
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Last Modified: 2012-06-21
http://www.experts-exchange.com/Programming/Languages/Pascal/Delphi/Q_22015173.html

That is the link of rllibbys answer for registry cleaning
Units are regsweeper and regutils

Can someone show me a simple application form using the regsweeper.

Thanks
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Question by:systan
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LVL 32

Accepted Solution

by:
Ephraim Wangoya earned 2000 total points
ID: 33750735
Heres my intepretation, and mmm I didn't test it


unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    btnScan: TButton;
    btnFix: TButton;
    btnCancel: TButton;
    Memo1: TMemo;
    procedure btnScanClick(Sender: TObject);
    procedure btnFixClick(Sender: TObject);
    procedure btnCancelClick(Sender: TObject);
  private
    FCanceled: Boolean;
    procedure StartFix(Sender: TObject; Count: Integer);
    procedure FinishFix(Sender: TObject; Fixed: Integer; Cancelled: Boolean);
    procedure StartScan(Sender: TObject);
    procedure FinishScan(Sender: TObject; Cancelled: Boolean);
    procedure StartGroupItem(Sender: TObject; ItemName: String; var Cancel: Boolean);
    procedure FinishGroup(Sender: TObject; GroupItem: TRegGroupClass; Operation: TRegOperation; var Cancel: Boolean);
    procedure FixItem(Sender: TObject; ItemName: String; Fixed: Boolean; var Cancel: Boolean);
    procedure GroupItem(Sender: TObject; ItemName: String; var Cancel: Boolean);
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{ TForm1 }

procedure TForm1.btnScanClick(Sender: TObject);
var
  RegSweeper: TRegSweeper;
begin
  try
    RegSweeper := TRegSweeper.Create;
    RegSweeper.OnGroupStart := StartGroupItem;
    RegSweeper.OnGroupItem := GroupItem;
    RegSweeper.OnGroupFinish := FinishGroup;
    RegSweeper.OnScanFinish := FinishScan;
    RegSweeper.OnScanStart := StartScan;
    RegSweeper.Scan;
  finally
    FreeAndNil(RegSweeper);
  end;
end;

procedure TForm1.btnFixClick(Sender: TObject);
var
  RegSweeper: TRegSweeper;
  Stream: TFileStream;
begin
  Stream := TFileStream.Create('c:\mybackup.reg', fmCreate);
  try
    try
      RegSweeper := TRegSweeper.Create;
      RegSweeper.OnGroupStart := StartGroupItem;
      RegSweeper.OnGroupItem := GroupItem;
      RegSweeper.OnGroupFinish := FinishGroup;
      RegSweeper.OnFixStart := StartFix;
      RegSweeper.OnFixItem := FixItem;
      RegSweeper.OnFixFinish := FinishFix;

      RegSweeper.Fix(Stream);
    finally
      FreeAndNil(RegSweeper);
    end;
  finally
    FreeAndNil(Stream);
  end;
end;

procedure TForm1.btnCancelClick(Sender: TObject);
begin
  FCanceled := True;
end;

procedure TForm1.FinishFix(Sender: TObject; Fixed: Integer; Cancelled: Boolean);
begin
  if Cancelled then
    Memo1.Lines.Add('User cancelled')
  else
    Memo1.Lines.Add('Finished fixing registry')
end;

procedure TForm1.FinishGroup(Sender: TObject; GroupItem: TRegGroupClass;
  Operation: TRegOperation; var Cancel: Boolean);
begin
  Cancel := FCanceled;
  if FCanceled then
    Exit;
  if Operation = roValidate then
    Memo1.Lines.Add('Finished validating group: ' + RegGroupClassName(GroupItem))
  else
    Memo1.Lines.Add('Finished loading group: ' + RegGroupClassName(GroupItem))
end;

procedure TForm1.FinishScan(Sender: TObject; Cancelled: Boolean);
begin
  if Cancelled then
    Memo1.Lines.Add('User cancelled')
  else
    Memo1.Lines.Add('Finished scanning registry')
end;

procedure TForm1.FixItem(Sender: TObject; ItemName: String; Fixed: Boolean;
  var Cancel: Boolean);
begin
  Cancel := FCanceled;
  if FCanceled then
    Exit;
  Memo1.Lines.Add('Fixing item: ' + ItemName);
end;

procedure TForm1.StartFix(Sender: TObject; Count: Integer);
begin
  Memo1.Lines.Clear;
  Memo1.Lines.Add('Started fix')
end;

procedure TForm1.StartGroupItem(Sender: TObject; ItemName: String;
  var Cancel: Boolean);
begin
  Cancel := FCanceled;
  if FCanceled  then
    Exit;
  Memo1.Lines.Add('Working on item: ' + ItemName)
end;

procedure TForm1.StartScan(Sender: TObject);
begin
  Memo1.Lines.Clear;
  Memo1.Lines.Add('Started Scan');
end;

end.

//dfm
object Form1: TForm1
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 379
  ClientWidth = 512
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'Tahoma'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object btnScan: TButton
    Left = 360
    Top = 24
    Width = 121
    Height = 25
    Caption = 'Scan'
    TabOrder = 0
    OnClick = btnScanClick
  end
  object btnFix: TButton
    Left = 360
    Top = 71
    Width = 121
    Height = 25
    Caption = 'Backup && Fix'
    TabOrder = 1
    OnClick = btnFixClick
  end
  object btnCancel: TButton
    Left = 360
    Top = 120
    Width = 121
    Height = 25
    Caption = 'Cancel'
    TabOrder = 2
    OnClick = btnCancelClick
  end
  object Memo1: TMemo
    Left = 16
    Top = 16
    Width = 329
    Height = 345
    Lines.Strings = (
      '')
    TabOrder = 3
  end
end

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0
 
LVL 14

Author Comment

by:systan
ID: 33764695
moved code into code snippet?
whats the meaning of that aikimark?
0
 
LVL 14

Author Comment

by:systan
ID: 33766125
Ah, Ok, I've noticed it.
Thanks.
0

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