unit bitmapconv; {$mode objfpc} interface uses Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls; type { TBitmapConvForm } TBitmapConvForm = class(TForm) Button1: TButton; CheckBox1: TCheckBox; private { private declarations } public { public declarations } end; var BitmapConvForm: TBitmapConvForm; implementation {$R *.lfm} end.