Delphi | 2017 R3

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

type TFormFMX = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); end; delphi 2017 r3

uses Vcl.Forms, Vcl.Controls, Vcl.StdCtrls, System.SysUtils; procedure TFormFMX

implementation

uses FMX.Forms, FMX.Controls, FMX.StdCtrls, System.SysUtils; procedure TFormFMX.Button1Click(Sender: TObject)