program project1; {$mode objfpc}{$H+} uses {$IFDEF UNIX}{$IFDEF UseCThreads} cthreads, {$ENDIF}{$ENDIF} Interfaces, // this includes the LCL widgetset Forms, Unit1, LCLVersion { you can add units after this }; {$IF LCL_FullVersion < 2000000} At least Lazarus v2.0.0 required for this demo project. {$IFEND} {$R *.res} begin RequireDerivedFormResource := True; Application.Scaled := True; Application.Initialize; Application.CreateForm(TForm1, Form1); Application.Run; end.