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unit Unit1;

interface

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

type
  TFileListEntry = class
    private
      wFrom, wTo: widestring;
      action: integer;
    public
      property fFrom: WideString
         read wFrom;
      property fTo: WideString
         read wTo;
      property fAction: Integer
         read action;

      constructor Create(const aFrom, aTo: widestring; const aAction: integer);
  end;

  TFileList = class(TList)
  protected
    function GetObject(Index: Integer): TObject;
    procedure SetObject(Index: Integer; Value: TObject);
    procedure SetCount(Value: Integer);
  public
    destructor Destroy; override;
    procedure Clear; override;
    procedure Delete(Index: Integer);
    property Objects[Index: Integer]: TObject read GetObject write SetObject;
    property Count write SetCount;
  end;
  TForm1 = class(TForm)
    AddTestEntryButton: TButton;
    UnicodeEdit: TTntEdit;
    TntMemo1: TTntMemo;
    ListToMemoButton: TTntButton;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure AddTestEntryButtonClick(Sender: TObject);
    procedure ListToMemoButtonClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    Filelist: TFileList;

  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

{ Clear all the objects from the list and destroy the list. }
destructor TFilelist.Destroy;
begin
 clear;
 inherited Destroy;
end;
{ Return an object from the list. }
function TFilelist.GetObject(Index: Integer): TObject;
begin
  Result := TObject(Items[Index]);
end;
{ Set an object in the list. Free the old object. }
procedure TFilelist.SetObject(Index: Integer; Value: TObject);
begin
  Objects[Index].Free;
  Items[Index] := Pointer(Value);
end;
{ Clear the list by deleting all objects in it. }
procedure TFilelist.Clear;
var
  I: Integer;
begin
  for I := 0 to Count-1 do
    Objects[I].Free;
  inherited Clear;
end;
{ Delete an object from the list, freeing the object }
procedure TFilelist.Delete(Index: Integer);
begin
  Objects[Index].Free;
  inherited Delete(Index);
end;
{ If the list shrinks, free the objects that are implicitly deleted. }
procedure TFilelist.SetCount(Value: Integer);
begin
  while Value < Count do
    Delete(Count-1);
  inherited Count := Value;
end;

constructor TFilelistEntry.Create(const aFrom, aTo: widestring; const aAction: integer);
begin
 self.wFrom:=aFrom;
 self.wTo:=aTo;
 self.Action:=aAction;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
 Filelist := TFileList.Create;
end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
 Filelist.Free;
end;

procedure TForm1.AddTestEntryButtonClick(Sender: TObject);
begin
 Filelist.Add(TFilelistEntry.Create(UnicodeEdit.text,'to',5));
end;

procedure TForm1.ListToMemoButtonClick(Sender: TObject);
var count:integer;
begin
 tntmemo1.clear;
 for count:=0 to filelist.count-1 do
 begin
  tntmemo1.lines.add( TFilelistEntry(filelist[count]).wFrom);

 end;
end;

end.