unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    GestureManager1: TGestureManager;
    procedure FormCreate(Sender: TObject);
    procedure FormGesture(Sender: TObject; const EventInfo: TGestureEventInfo;
      var Handled: Boolean);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Touch.StandardGestures := [sgLeft, sgRight];
end;

procedure TForm1.FormGesture(Sender: TObject;
  const EventInfo: TGestureEventInfo; var Handled: Boolean);
begin
  case EventInfo.GestureID of
    sgiLeft  : ShowMessage('Left');
    sgiRight : ShowMessage('Right');
  end;
end;

end.