Delphi — 2017 R3

{$R *.dfm}

procedure TFormFMX.Button1Click(Sender: TObject); begin ShowMessage('FMX cross-platform example'); end; delphi 2017 r3

uses Vcl.Forms, Vcl.Controls, Vcl.StdCtrls, System.SysUtils; begin ShowMessage('FMX cross-platform example')