procedure TFormFMX.Button1Click(Sender: TObject); begin ShowMessage('FMX cross-platform example'); end;
uses FMX.Forms, FMX.Controls, FMX.StdCtrls, System.SysUtils; delphi 2017 r3
{$R *.dfm}
var FormMain: TFormMain;
interface
uses Vcl.Forms, Vcl.Controls, Vcl.StdCtrls, System.SysUtils; procedure TFormFMX