unit HelpUnit; {$mode objfpc}{$H+} interface uses Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls, LazHelpHTML, HelpIntfs; type { THelpFrm } THelpFrm = class(TForm) ReturnBtn: TButton; HelpBtn: TButton; HTMLBrowserHelpViewer1: THTMLBrowserHelpViewer; HTMLHelpDatabase1: THTMLHelpDatabase; Label1: TLabel; procedure FormCreate(Sender: TObject); procedure FormShow(Sender: TObject); procedure HelpBtnClick(Sender: TObject); private { private declarations } public { public declarations } end; var HelpFrm: THelpFrm; implementation { THelpFrm } procedure THelpFrm.FormShow(Sender: TObject); begin // HelpBtnClick(self); end; procedure THelpFrm.FormCreate(Sender: TObject); begin HTMLHelpDatabase1.BaseURL := 'file://html'; end; procedure THelpFrm.HelpBtnClick(Sender: TObject); begin ShowHelpOrErrorForKeyword('','HTML/LAZTOC.html'); end; initialization {$I helpunit.lrs} end.