unit Unit3;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type
  TForm3 = class(TForm)
    Label1: TLabel;
    procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
  private
    { Private 宣言 }
  public
    { Public 宣言 }
  end;

var
  Form3: TForm3;

implementation

{$R *.dfm}

procedure TForm3.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if Key = VK_ESCAPE then
    Application.Terminate;
end;

end.