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Код

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Shape1: TShape;
    procedure FormKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
if key=VK_UP then Shape1.Top:=Shape1.Top-2;
if key=VK_LEFT then Shape1.Left:=Shape1.Left-2;
if key=VK_DOWN then Shape1.Top:=Shape1.Top+2;
if key=VK_RIGHT then Shape1.Left:=Shape1.Left+2;

end;

end.