IP list

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ip: TStringList;
  i:integer = 0;
implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
ip:=TStringList.Create;
ip.LoadFromfile('ip.txt');
end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
ip.free;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  if i<ip.Count-1 then
  begin
    Clipboard.AsText:=ip[i];
    inc(i);
  end
  else
  begin
    Clipboard.AsText:=ip[i];
    i:=0;
  end;
end;

end.