Stuff

unit klient;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient,
  StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    client: TIdTCPClient;
    Button2: TButton;
    Edit1: TEdit;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
client.Connect();
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
client.Disconnect;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
client.WriteLn(edit1.text);
end;

end.