Delphi 2017 R3

uses FMX.Forms, FMX.Controls, FMX.StdCtrls, System.SysUtils;

uses Vcl.Forms, Vcl.Controls, Vcl.StdCtrls, System.SysUtils; delphi 2017 r3

interface

var FormMain: TFormMain;

implementation

procedure TFormMain.ButtonHelloClick(Sender: TObject); begin ShowMessage('Hello from Delphi 2017 R3!'); end; uses FMX

{$R *.fmx}